Joseph E. Barrera, MD
Mission Viejo, CA 92691
- Mission Heritage Medical Group and Affiliated Physicians
- St. Joseph Heritage Medical Group and Affiliated Physicians
- St. Jude Heritage Medical Group and Affiliated Physicians
Mission Viejo, CA 92691
Mission Heritage Mission Viejo - Endocrinology
26800 Crown Valley Parkway, Suite 230, Mission Viejo, CA 92691
Insurances Accepted
This information provides an overview of accepted insurance plan types. Coverage may vary by specific plan. Please verify your with your insurance provider before visiting us for care.
- Providence Health Plan - Medicare Advantage
- Health Net - Medicare Advantage
- Blue Shield of CA HMO - Trio
- TriWest - Tricare
- Aetna HMO
- Blue Shield of CA HMO
- Aetna PPO
- Aetna Medicare Advantage HMO
- HealthSmart (Interplan) PPO
- Anthem Blue Cross Medicare PPO
- US Family Health Plan - TriCare
- United HealthCare PPO
- SCAN Medicare Advantage
- Health Net PPO
- Blue Shield of CA Medicare Advantage
- Cigna HMO
- Multiplan PPO
- Anthem Blue Cross PPO
- Vivity by Anthem Blue Cross
- Anthem Blue Cross Medicare Advantage
- Aetna Medicare Advantage PPO
- Health Net HMO
- Cigna PPO
- United Healthcare HMO
- Blue Shield of CA PPO
- Anthem Blue Cross HMO
- Coventry/First Health PPO
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About Joseph E. Barrera
Dr. Barrera's interests include intensive management of diabetes, hypertension and lipid disorders.
He is also involved in the management of prediabetic conditions including metabolic syndrome and polycystic ovarian syndrome.
He has been the principal investigator for numerous clinical trials involving the development of new therapies for diabetes, blood pressure and thyroid cancer. He has lectured extensively to physician colleagues and patient groups in the area of cardiovascular risk management and preventive endocrinology.
Prior to joining Mission Internal Medical Group, Dr. Barrera was the Medical Director of the Diabetes Program at Alta Bates Hospital in Berkeley, California and a team physician for the Oakland Athletics baseball team.
He was also a physician consultant for the KRON and KTVU/Fox news stations in the San Francisco Bay Area.
- National Board of Physicians and Surgeons, Internal Medicine
26800 Crown Valley Parkway, Suite 230
Mission Viejo, CA 92691
Providence Mission Hospital - Laguna Beach
Providence Mission Hospital - Mission Viejo
Community Reviews
At Providence, we're dedicated to providing you quality, personalized health care. We are constantly striving to optimize your experience.
As part of ensuring you have a positive experience with Providence, our online provider directory includes ratings and patient comments for select providers. More about our survey.
I am always treated with great respect and Dr. Barrera has been my Endocrinologist for many years.
Providence Patient
Dr. Barrera, is one of the few physicians that listens to every word you have to say, does not rush the patient, and is extremely complete in his examination and recommendations
Providence Patient
Dr Barrera is so good at listening and explaining and caring. He is the best!
Providence Patient
Dr Barrera is THE BEST...so thoughtful, professional and caring. He is one of the best doctors I have every had. Highly recommend.
Providence Patient
Dr. Barrera was very kind and patientAnd very thorough
Providence Patient
Dr. Barbra is my favorite Dr. He is concerned, compassionate, saved me from a surgery, referred me to other specialists, has helped others in my family with health issues, and I look forward to my visits with him.
Providence Patient
He is the best! He listens and he always help me. My daughter and Ihave been going to Dr Barrera a long time. He is the best. Please don't go anywhere good doctors are hard to find. Thank yiu
Providence Patient
Always very good
Providence Patient
I have been seeing Dr. Barrera for years and will not see anyone else. He is extremely thorough, takes his time and comes up with the best solution of care possible.
Providence Patient
Dr.Barrera listens explains and makes you feel very comfortable! Great guy!
Providence Patient
Dr was very helpful, concerned and spent plenty of time with me!
Providence Patient
Always a please to receive care from Dr. Barrera and his staff. They are very responsive to questions via the MyChart portal as well.
Providence Patient
Dr. Barrera is always wonderful.
Providence Patient
excellent experience
Providence Patient
Dr. Barrera is an excellent, caring physician.
Providence Patient
Dr Barrera visits are always successful in every way.
Providence Patient
Excellent care exceeding expectations.
Providence Patient
Dr.B and staff are top-notch! I couldn't ask for a better doctor and team.
Providence Patient
Dr. Barrera is an excellent physician and I would highly recommend him.
Providence Patient
Outstanding provider!
Providence Patient
I don't use phone to communicate with Dr Barrera I use my chart. He and his team is great. 10"s
Providence Patient
Dr. Barrera is my endocrinologist/internal medicine doctor and I have been seeing him for many years. I respect his medical advice and value his treatment advice.
Providence Patient
Dr. Barrera listens and responds with caring directions
Providence Patient
Dr is very informative and inclusive in the diagnosis and treatment plans
Providence Patient
Dr Barrera is always professional and friendly.
Providence Patient
Dr. Barrera is the best! He saved my life and turned my poor health around.
Providence Patient
Dr, Barrera is the best!! He's brilliant, he listens, he cares, he has kept me healthy for more than two decades. So blessed to have found him!
Providence Patient
Dr Barrera is the best! So kind, understanding & treated me with respect. Always helpful.
Providence Patient
Dr. Barrera is the best doctor I have ever had. He goes above and beyond for his patients. He takes time to get to know me and does everything he can to improve my life and health conditions. I am so beyond lucky to have a provider as kind and thorough as him. There is no doubt being a provider is his calling.
Providence Patient
Dr Barerra always listens and provides advice and help for my wellbeing
Providence Patient
Good Doctor,
Providence Patient
Dr Barrera is very kind and takes great care of his patients
Providence Patient
I have good experience
Providence Patient
I am always treated well by Dr Barrera. He is personable, listens, and offers advice and alternatives honoring my part of treatment decisions. He doesn't rush me.
Providence Patient
He is an excellent, knowledgeable provider.
Providence Patient
Dr. Barrera is an excellent doctor. I feel he is attentive and listens to me. He explains things and we discuss my health and how my emotional landscape affects things too.
Providence Patient
Dr Barrera is an exceptional endocrinologist.
Providence Patient
Dr. Barrera is the best doctor I have ever had. He shows that he cares and listens.
Providence Patient
I can't say enough about how much I appreciate Dr. Barerra. I feel very supported by his encouragement.
Providence Patient
Excellent provider
Providence Patient
Always very professional yet friendly. Very knowledgeable about my issues. Always grateful for the advice.
Providence Patient
Thank you!
Providence Patient
De Barrera is the best. Expert, knowledgable, listens, works with patient for best solution, compassionate.
Providence Patient
Great doctor and fantastic office personnel
Providence Patient
Dr. Joseph Barrera is the most intelligent, caring and attention to detail I have ever known these past 20 years!! I am blessed.
Providence Patient
Dr Barrera is a great M.D. He is patient and very kind and tries to help me work on my diabetes.
Providence Patient
Dr. Barrera was very helpful, spent time reviewing my labs and discussing preventative things I could do going forward.
Providence Patient
Dr. Barrera is one of the most caring, thoughtful, and invested doctors I have met.
Providence Patient
I see Different doctors for other services, and Dr. Berrara is one of the nicest, most polite, and always makes me feel like he knows his medicine.
Providence Patient
Dr. Barrera is the best care provider I have. I have been a patient of his since 2000, because I feel like we work together as a team for my health care needs. I have recommended friends and family to him.
Providence Patient
Dr Barrera is a thorough, patient, and provides knowledgeable care plan for my medical needs.
Providence Patient
Great visit
Providence Patient
Dr Barrera always explains everything very clearly and is a good communicator.
Providence Patient
Very good
Providence Patient
Since being under the care of Dr. Barrera, my type II diabetes has been much better controlled. I feel lucky that he takes care of my health.
Providence Patient
Excellent provider. Answered all questions and cared about overall health.
Providence Patient
Dr. Barrera always listens to my concerns and explains things in a way I can understand. He is thoughtful and kind and is genuine, which is not the norm. He is an excellent Doctor, and he goes above and beyond what most doctors would do. I wish all my doctors were more like him.
Providence Patient
Dr Barerra is the BEST! Some of the questions should say 6 months instead of 3 months.
Providence Patient
Dr.Barrrera is the best example of a concerned and knowledgeable doctor in the Providence group. We trust him with our health.
Providence Patient
Dr. Barrera is an excellent and caring physician.
Providence Patient
Always a pleasant experience with Dr. Barerra and he is very informative and spends the time explaining every concern.
Providence Patient
Dr. Barrera is a great listener and very caring. My husband and daughter are his patients, as well. We are all very happy with the the care we get.
Providence Patient
Thank you for the good service
Providence Patient
Dr. Barrera is always thorough and helpful in providing information I need. He is very knowledgeable and pleasant.
Providence Patient
Dr Barrera is wonderful and I love him
Providence Patient
This doctor is the best doctor I have ever had! He has helped me so much with my health from his guidance and care! He takes the time to listen and always gives me great feedback on my health status with my labs and lifestyle!!I highly recommend this wonderful doctor!!!
Providence Patient
Dr Barrera & staff are amazing! He is one of the most thorough, caring Doctorso lucky to have him as my endocrinologist! I know my health is in good hands!
Providence Patient
Dr Barrera is always interested in both my health and in me as a person. He connects and never rushes through our visits. While knowledgeable about diabetes he Is never a know It all.
Providence Patient
Excellent and knowledgeable doctor
Providence Patient
My experience has been that Dr. Barrera takes the time needed to provide me with quality care for my diabetes, as well as other internal medicine examination and treatment.
Providence Patient
Dr Barrera looked at the whole picture of my health that now includes Dr Steve Tran for my kidneys
Providence Patient
Dr. Joseph Barrera is one of the most efficient and brilliant medical doctor I have ever had. He had been so focused and attentive to all my health care needs and is attentive in making sure I get advice on preventive ways to maintain my overall health. Very, very good provider.
Providence Patient
Dr Barerra always listens to my concerns.
Providence Patient
I never feel rushed with Dr. Barrera. He always takes the time to answer all my questions.He remembers things pertaining to my health and makes sure that I'm comfortable with treatment plans. He's been my endocrinologist for over 20 years and he's always willing to work with me on my treatment plans. He's helped me to stay pretty much symptom-free all these years. He's very respectful and affirming.
Providence Patient
Dr. Barrera is an excellent physician. He has managed my thyroid for the past 22 years. He listens to my concerns and answers any questions with clarity and kindness. My good health is a direct result of his expertise. I feel very fortunate to have found him all those years ago and rely on his outstanding support and medical knowledge for my continued health. Thank you Dr. Barrera!
Providence Patient
The doctor was easy to talk with and listen to my concerns and offer ideas that can help my condition.Very impressive doctor.
Providence Patient
Dr. Barrera is the best. Always friendly and answers all my questions.
Providence Patient
Dr. Barrera is, undoubtedly the best endocrinologist that there could possibly be !!!!!
Providence Patient
Dr. Barrera is always professional and friendly.
Providence Patient
I've seen Dr Barrera for a long time-he's an excellent Doctor I have recommend him highly to several friends for that reason
Providence Patient
Very thorough office visit. All wants and needs were addressed and the physician followed up with my request.
Providence Patient
Dr. Barrera was fantastic and I'm grateful he took me on as his patient and will be in charge of my health condition. Thank you
Providence Patient
Very good experiencr
Providence Patient
Dr. Barrera is one of the best doctors I have ever had. He listens to my concerns, provides suggestions and takes into account what I need to better my life. He is caring, empathetic, knowledgeable, professional yet down to earth at the same time.
Providence Patient
Dr. Barrera is an excellent doctor. He always listens to my questions and concerns and spends enough time.
Providence Patient
Dr. Barrera always goes above and beyond to address all my questions and concerns. Excellent physician
Providence Patient
Good
Providence Patient
Dr Barrera and his team are wonderful! I'm a long time patient and Dr B never fails to cover all the bases with me regarding my health. I wish all physicians were like Dr Barrera!
Providence Patient
Dr Barrara knows me and my medical history and has helped me so much over the years with my health.
Providence Patient
Dr Barrera is always a pleasure to talk with. Excellent Doctor.
Providence Patient
Excellent Care Always
Providence Patient
Dr.Barrera is the best.
Providence Patient
Dr. Barrera is the best. He always listens to my concerns and addresses them with clear and concise care.
Providence Patient
I'm always thankful for Dr. Barrera.
Providence Patient
Both my doctors are OUTSTANDING! I've been seeing them since moving to CA thirteen years ago, top-notch across the board.
Providence Patient
No problem. Dr Barrera has been an excellent endocrinologist. My diabetis has improve since he took ove
Providence Patient
I never use phone to contact DR. I use my chart. He and his m.a. Have been very good in answer my concerns. Excellent Response
Providence Patient
Dr. Barrera is an excellent physician who always provides me with great information. I highly trust and recommend him.
Providence Patient
I have been seeing Dr Barrera over 10 years and I appreciate how much care and time he takes with me. I feel heard and seen. It's hard to find doctors who actually take the time to listen to patients and he very thorough, professional and knowledgeable and I don't feel rushed in/out.
Providence Patient
Dr Barrera is professional, thorough and knowledgeable. He listens to what I say and addresses every concern I have.
Providence Patient
Dr Barrera is awesome and a good listener one of the best Thank you
Providence Patient
Dr. Barrera, always listens to what the patient has to say and spends as much time as necessary during each and every visit
Providence Patient
Love seeing Dr. Barrera! He is not only helpful and a great doctor, it is so nice to talk to him and catch up!
Providence Patient
This doctor has been very good about keeping me informed about changes in my health and about different possibilities in medicines and courses of action for my situation.
Providence Patient
Always a good experience. Dr.Barrea is a good listener and will give you an answer to all your questions and concerns.
Providence Patient
He is an excellent doctor. I will recommend him to everyone. He is very compassionate and understanding.
Providence Patient
If I could I would give this provider 12+.
Providence Patient
It is a pleasure to work with Dr. Barrera as my endocrinologist. He is extremely knowledgeable and supportive.
Providence Patient
Dr Barrera is an excellent doctor. He listens and discusses options.
Providence Patient
Dr. Joseph Barrera goes above and beyond with my care for my Thyroid Hashimoto along with monitoring my health which includes my sugar levels and other hereditary diseases. I feel blessed to have such impeccable care from Dr. Joseph Barrera and his staff!!
Providence Patient
Dr. Barrera is the best!
Providence Patient
Dr Barrera is always professional and friendly.
Providence Patient
Dr. Barrera and his staff are amazing! I travel quite a distance to see him because of that. I can honestly say he is the best doctor I've ever seen and I really appreciate him and his staff.
Providence Patient
Excellent Doctor. Very caring and Knowles le about me and my condition
Providence Patient
Dr. Barrera always goes above and beyond to address all my questions and concerns. I feel very confident in the quality of care I am getting from him.
Providence Patient
Dr. Barrera has always been attentive to my concerns, answered questions, and returned answers promptly by My Chart. He has followed my diabetic progress diligently for many years.
Providence Patient
Dr. Barrera is a wonderful doctor.
Providence Patient
Dr. Barrera is the best for following my thyroid condition.
Providence Patient
Dr Barrera listened completely to what I said, understood my concerns, has a plan for my health and scheduled a follow-up. He's great.
Providence Patient
I am [Date of Birth] years old. Dr. Barrera has followed my diabetes for years. Both myself and my daughter think very highly of Dr. Barrera.
Providence Patient
Dr Barerra is just the best doctor - focused, compassionate and thorough.
Providence Patient
I always have wonderful experiences during my office visits with Dr. Barrera. The care and attention I receive are exceptional, and Dr. Barrera takes the time to listen, address my concerns, and provide clear explanations. I truly feel valued as a patient and trust his expertise and recommendations. I am so grateful to have Dr. Barrera as my doctor.
Providence Patient
Dr. Barrera always helps me with my concerns.He gives me great ideas that I can use to better my health. He is a wonderful listener. Fifteen years ago I had to wait six months to get in to see him. Waiting was one of my best decisions.
Providence Patient
Dr. Barrera has always made himself available and always gives me the time and never rushes me through the appointments.
Providence Patient
Dr Barrera is one of the best Dr's ever! Caring, compassionate, professional & just a great person!
Providence Patient
Always good
Providence Patient
Dr Barerra is always very thorough and listens to my concerns. He is an excellent care providers
Providence Patient
Dr. Barrera is the best. I have full confidence in him and appreciate his care. I would go to any practice that he is at.
Providence Patient
Always an excellent experience at this practice.
Providence Patient
It's a please working Dr B and his staff.
Providence Patient
Dr. Barrera is the best doctor I have ever had. I've known him now for nearly 15 years and I cannot emphasize enough what an incredible doctor he is. Dr. Barrera is not only competent but is extremely caring about the patient's needs and issues and has an all-comprehensive approach in his medical treatment.
Providence Patient
Dr Barrera is an exceptional endochronologist.
Providence Patient
He is an amazing endocronologist !!!!! Hope that he will be available for my lifetime !!!!
Providence Patient
Dr. Barrera and his team are always kind and caring. Thank you for being such an amazing kind Doctor
Providence Patient
Excellent care as always
Providence Patient
Dr. Barrera has been my endocrinologist for many years. He is always a joy to see and I appreciate our conversations about my health. His office staff are also wonderful.
Providence Patient
MyChart portal very helpful between visits. Quick response to messages, questions and requests through portal. Very good communication tool.
Providence Patient
Glad to have Dr Barrera as my endocrinologist. He has helped me and enlightened me of my diabetic condition.
Providence Patient
Conditions and Procedures
- Abnormal Cortisol Level Tests
- Abnormal Glucose
- Abnormal Glucose Metabolism
- Addison's Disease
- Adrenal Adenoma
- Adrenal Disorders
- Adrenal Mass Non Malignant
- Adrenal Neoplasm
- Adrenogenital Syndrome
- Androgen Excess
- Androgen Insensitivity
- Calcium Metabolism
- Carcinoid Syndrome
- Congenital Hypothyroidism
- Conn Syndrome
- Cushing Syndrome
- Diabetes Education
- Diabetes Mellitus
- Ectopic Hyperparathyroidism
- Endocrine Disorders
- Feminizing Syndrome
- Fine Needle Aspiration Of Thyroid
- Glucagonoma
- Glucocorticoid Deficiency
- Goiter
- Grave's Disease
- Growth Disorders
- Growth Hormone Abnormalities
- Growth Hormone Deficiency
- Gynecomastia
- Hashimoto Thyroiditis
- Hyperaldosteronism
- Hypercalcemia
- Hypercholesterolemia
- Hyperglycemia
- Hyperglycemic Hyperosmolar Syndrome
- Hyperparathyroidism
- Hyperthyroidism
- Hypocalcemia
- Hypoglycemia
- Hypogonadism
- Hypoparathyroidism
- Hypopituitarism
- Hypothalamic Pituitary Disorder
- Hypothyroidism
- Insulin Pump
- Insulin Resistance
- Insulin Therapy
- Insulinoma
- Metabolic Bone Diseases
- Metabolic Syndrome
- Multiple Endocrine Neoplasia
- Myxedema
- Nodular Goiter
- Non Toxic Goiter
- Osteopenia
- Osteoporosis
- Panhypopituitarism
- Parathyroid Disease
- Parathyroid Hyperplasia
- Pheochromocytoma
- Pituitary Adenoma
- Pituitary Disorders
- Pituitary Tumor
- Primary Hyperparathyroidism
- Pseudohermaphroditism
- Pseudohypoparathyroidism
- Radioiodine Therapy
- Rickets
- Secondary Hyperaldosteronism
- Thyroid Cyst
- Thyroid Disorder
- Thyroid Hormone Resistance
- Thyroid Nodule
- Thyroiditis
- Thyrotoxic Exophthalmos
- Thyrotoxicosis
- Toxic Diffuse Goiter
- Toxic Nodular Goiter
- Type 1 Diabetes
- Type 2 Diabetes
- Uremic Hyperparathyroidism
- Virtual Care
- Vitamin Deficiency
I always look forward to my routine visits with Dr. Joseph Barrerra. I come with a list of my questions and a statement of my current health conditions. In the process, Dr. Barrera efficiently analyzes my improvement and/or if my conditions worsens from the last visit. So far, the trend is positively on the improvement side. I am very thankful that Providence has provided me the care from Dr. Barrera. Thank you very, very much.
Providence Patient