Ronald J. Ruby, MD
Redondo Beach, CA 90277
Redondo Beach, CA 90277
Providence Medical Institute - Redondo Beach Internal Medicine & Endocrinology
520 North Prospect Avenue, Suite 200, Redondo Beach, CA 90277
New Patient Appointment Availability
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.
- AMG MG Adults SoCal
- United HealthCare PPO
- Cigna HMO
- Anthem Blue Cross PPO
- Anthem Blue Cross Medicare PPO
- Multiplan PPO
- Blue Shield of CA PPO
- Cigna PPO
- Coventry/First Health PPO
- Aetna PPO
- TriWest - Tricare
- Vivity by Anthem Blue Cross
- Health Net PPO
- Health Net, Medicare Advantage
- Humana Medicare Advantage
- Blue Shield of CA HMO
- Blue Shield of CA Medicare Advantage
- Anthem Blue Cross HMO
- United Healthcare HMO
- Health Net HMO
- Anthem Blue Cross Medicare Advantage
- Aetna HMO
- No results found
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About Ronald J. Ruby
At Baltimore City Hospitals, Dr. Ruby performed his internship and residency. He became the Chief Medical Resident and a fellow at Johns Hopkins Hospitals. His fellowship training in endocrinology was at Harbor UCLA where he was the Chief Resident. Fellowship interest were in diabetes, obesity, and thyroid disease.
He is a charter member and fellow of the American Association of Clinical Endocrinologists and a member of the National Lipid Association, American Diabetes Association and the Endocrine Society. He has been in the South Bay since 1980 practicing Internal Medicine and Endocrinology. Dr. Ruby has served as the medical director on the board of directors for the South Bay Independent Medical Group. He was the chief of staff at South Bay Hospital. Currently serving as director of the medical education at Providence Little Company of Mary. His current clinical research involves early diagnosis and treatment of pre-diabetics and recognition of premature vascular disease.
Dr. Ruby is a published author and serves as a national speaker for osteoporosis. He is a lifelong sports enthusiast, plays paddle tennis and has a great interest in photography. His wife, two sons and two grandchildren remain the primary focus of his busy and productive lifestyle. His last publication was in the international journal The Lancet-Diabetes & Endocrinology in October 2018 called STOP DIABETES.
Johns Hopkins Bayview Medical Center
1974
John Hopkins Bayview Medical Center
1974
Johns Hopkins Bayview Medical Center
1977
John Hopkins Bayview Medical Center
1977
Los Angeles County-Harbor-UCLA Medical Center
1979
University of Texas Southwestern Medical Center at Dallas Southwestern Medical School
1973
- American Board of Internal Medicine, Internal Medicine
- American Board of Internal Medicine, Endocrinology Diabetes and Metabolism
520 North Prospect Avenue, Suite 200
Redondo Beach, CA 90277
Providence Axminster Medical Group
Providence Little Company of Mary Medical Center Torrance
Community Reviews
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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.
Great bedside manner. Good listener
Providence Patient
I have seen Dr. Ruby since 2006, he is a great doctor. No issues....He is a very busy doctor, but gives you time to explain everything to you....
Providence Patient
I respect the care of Dr . Ron Ruby and his staff .
Providence Patient
Dr Ronald Ruby is very thorough and extremely knowledgeable. I value being his patient
Providence Patient
First visit concentrated on my particular concerns. Recommended more detailed evaluation and then followup to review. Excellent
Providence Patient
Excellent, thorough, professional and courteous team.
Providence Patient
Dr. Ruby is the best and always provides valuable and detailed input.
Providence Patient
Dr. Ruby always provides valuable information and care.
Providence Patient
Always an excellent experience with this provider
Providence Patient
ALL VERY GOOD
Providence Patient
Very caring and attentive to any questions. I feel confident I am in good hands.
Providence Patient
Dr Ruby and his entire staff are wonderful
Providence Patient
Dr Ruby has been my physician for probably at least the last 40 years. I have always trusted him to provide the best medical services and he has never let me down. A wonderful and caring person.
Providence Patient
Good bedside manner, nice and friendly staff when called to schedule appointments, convenient communication through Providence My Chart system to request blood tests. I wish the provider give me advice to manage/improve my new diagnosis of the autoimmune disease by modifying my lifestyle. Unfortunately and sadly, there are no modifiable lifestyle per the provider:(....
Providence Patient
I'm very pleased with my care and my doctor
Providence Patient
Been with Dr. RUBY for 45 years
Providence Patient
My care from Dr Ruby is exceptional. He is attentive to my questions and has explicit answers which I can understand clearly. He is personable and very professional.
Providence Patient
Dr Ruby is very informative and I trust his advice and feedback. He goes the extra mile in caring for me.
Providence Patient
Always very good
Providence Patient
Dr. Ronald Ruby is our family Dr. We feel very lucky to have him! He is very intelligent, attentive, sweet, and we Love him very much!!
Providence Patient
All good
Providence Patient
This is a great practice.
Providence Patient
Excellent care. Extremely knowledgeable doctor.
Providence Patient
Thank you Dr.Ruby and staff, you are the best! I always leave my appointments with information to support better health. You answered any concerns with precise, understandable answers. Kudos to You, Dr. Ruby and your staff.
Providence Patient
The staff and Dr. Ruby always treat me with respect and dignity. My experience with this team has always been outstanding and I credit them with changing and saving my life. Dr. Ruby is amazing practitioner, caring, understanding, and solution driven. His knowledge, presentation, and genuine concern for me as a person are always evident. I do recommend his services whenever possible. He is an outstanding representative for the Providence Medical Group.
Providence Patient
Dr. Ruby is easy to talk to & provides me with answers to my questions with valid medical knowledge.
Providence Patient
Excelent provider
Providence Patient
Excellent
Providence Patient
Always a great experience when visiting our Dr Ronald Ruby..
Providence Patient
Very good
Providence Patient
Dr. Ruby is one of the best providers I have had the privilege of working with.
Providence Patient
Professional and caring
Providence Patient
I always look forward to seeing DR Ruby
Providence Patient
Great professional care
Providence Patient
I am long time patient of this office and familiar with the procedure my only recommendation is to have more parking lots for disabled patients like me
Providence Patient
Dr Ruby is ALWAYS kind, caring and through during my appointments with him. He is very interested in keeping us healthy and knows the history I have with him. Great guy and great doctor, he deserves a raise!!
Providence Patient
I always get outstanding care from Dr. Ruby.
Providence Patient
Dr Ruby & staff provide the BEST healthcare!
Providence Patient
Office staff, nurses and doctors are all pleasant, professional and highly qualified.
Providence Patient
Good
Providence Patient
Experience was very good.
Providence Patient
Doctor and staff make a very good team.
Providence Patient
Dr. Ruby is a caring physician. He is a good listener and cares about his patients.
Providence Patient
Appreciate the knowledgeable feedback!
Providence Patient
Very fortunate to have Dr. Ruby care for me!
Providence Patient
I always feel good after seeing Dr Ruby.
Providence Patient
Very very good. Dr. Ruby is the best.
Providence Patient
Dr Ron Ruby's to me is the best doctor in the Southbay. I've been with him over 25 years and never had a problem always there to listen to any problems I have, he has empathy. He's caring his knowledgeable. It will be a sad day when he asked to retire
Providence Patient
Dr Ruby is very informed and answered my questions as well as explained test results. Isabel in the front office was especially helpful and courteous before and day of visit.
Providence Patient
I've been with Dr ruby for my thyroid disease care for many many years. He came highly recommended n I'd recommend him very highly.
Providence Patient
Good experience
Providence Patient
I have always found Dr Ruby to be very knowledgeable and thorough
Providence Patient
Great bedside manner!
Providence Patient
Dr. Ruby and his staff were exceptional in regards to looking out for my care
Providence Patient
Dr Ruby is a great doctor who wants you to get healthy and works in trying to get you there.
Providence Patient
Dr Ruby is a pleasure to work with! Kind, respectful, and informative
Providence Patient
I am very satisfied thank you for your concern
Providence Patient
Dr. Ruby is excellent. He explains things very clearly and is a good listener.
Providence Patient
Dr. Ruby and his staff are amazing
Providence Patient
Very good.
Providence Patient
Every aspect of care is excellent
Providence Patient
It is good service for my all health care.
Providence Patient
Dr Ruby is the best.....he really care for his patients
Providence Patient
Love Dr. Ruby and staff
Providence Patient
The best!!
Providence Patient
Dr. Ruby is the best. He is attentive and spot on with his advice. Dr Ruby made all necessary recommendations to help me with my pending needs. I enjoy visiting with Dr. Ruby because he consistently provides the best care and advice. He doesn't short- change me because of his schedule. I appreciate his expertise, and he makes sure I understand what is going on and how to address those issues. I wish all my doctors are as attentive as Dr. Ruby Is.
Providence Patient
Dr Ruby is extremely knowledgeable. I've been going to him for 25 years
Providence Patient
Dr. Ronald Ruby is a mighty fine doctor. He is honest in giving me information that I ask for or request. He explains medical information pertaining to my case in layman's terms. I appreciate that. I've been seeing Dr. Ruby for a while. I'll continue to be his patient as long as he is in practice. Thank you.
Providence Patient
Dr Ruby is always patient and understanding
Providence Patient
Excellent care from Dr Ruby! The best Doctor ever!
Providence Patient
Dr Ruby and staff are the best.
Providence Patient
Dr Ruby has be super for me.
Providence Patient
Professional, skilled and great sense of humor
Providence Patient
I fully trust my doctor. He always there to listen to all my health issues. He's my doctor for years and he's the one who found out about my cancer. I can ask for a better doctor. The receptionist is friendly and professional. I love coming to this office because they're always making me feel special.
Providence Patient
I ve been seeing Dr Ruby longer than I can remember. 35 maybe 40 years, He s the best.
Providence Patient
Dr. Ruby is very professional caring, sensitive to your needs, I would recommend him for sure!
Providence Patient
Dr. Ruby has been the best provider possible for me for decades!
Providence Patient
Dr. Ruby is caring, friendly and professional. I have confidence that I am receiving the best care possible for my condition as it continues to improve. Thank you Dr. Ruby!
Providence Patient
It's always a pleasure to meet with Dr Ruby and his staff.
Providence Patient
Dr. Ruby is very good, very knowledgeable and caring! Our family is very happy to have him.
Providence Patient
This doctor is very detailed and explains everything well.
Providence Patient
Doctor is always courteous and explains the situation well.
Providence Patient
Dr. Ruby is an outstanding physician. He manifests all the qualities, experience, knowledge and skill of a model physician.
Providence Patient
After 40+ years of a patient/PCP relationship Dr. Ruby has seen me through my medical life with style and grace. He makes sure that he is up to date on all of my endocronological issues. Wh have come a long way together......
Providence Patient
Always get great treatment.
Providence Patient
Dr. Ruby and his staff are outstanding. He is very esay to talk to and down to earth
Providence Patient
Dr. Ruby is an excellent doctor to have in my corner. He listens, he is highly knowledgeable and gives excellent advice.
Providence Patient
Always good
Providence Patient
DR. Ruby is thourough,relatable, and compassionate. I would highly recommend him.
Providence Patient
Excelent provider
Providence Patient
Excellent
Providence Patient
DR RUBY IS A Miracle worker. I think he has a direct line to God and I thank God and everybody in that office. Cause I am now healthier than I've ever been and I came. There very sick and I'm not sick anymore, and that's because. Doctor Ruby has HEALING POWER,S Doctor Ruby is an excellent Doctor and very, very smart.I think he's a genius
Providence Patient
Dr. Ruby was great. He listened to me, explained his diagnosis, described the possible treatments, and issued a prescription during our visit. This was everything I needed.
Providence Patient
Dr. Ruby is a very caring physician, very knowledgable, and very thorough - he reads the messages he receives through Mychart and has always responded immediately.
Providence Patient
EXCELLENT CARE
Providence Patient
I have been very lucky to have seen Dr Ruby for 30 years
Providence Patient
I always look forward to seeing Dr Ruby and my blood pressure readings show it
Providence Patient
Dr Ruby is very knowledgeable. He explained my condition in very easy to understand terms, drew pictures. He put me at ease. He explained the next steps.
Providence Patient
Everything with this provider and office is top notch. So professional, helpful, friendly and thorough.
Providence Patient
Dr Ruby is a very patient, kind, friendly, informative doctor who takes his time. Never rushes and listens to any questions or concerns. The best doctor.
Providence Patient
Dr Ruby and his staff are always very nice and helpful.
Providence Patient
Dr. Ruby is clearly interested in my well being
Providence Patient
Dr Ruby has been my GP for the last thirty years and has always taken excellent care of my health
Providence Patient
Excellent, timely and thorough comprehensive care
Providence Patient
Dr. Ruby was very nice and gave me good information.
Providence Patient
Dr. Ruby is always aware of my medical needs and history. He is on top of all issues.
Providence Patient
Dr. RUBY is very compassionate and truly cares about my health and concerns. He is very thorough and makes me feel at ease. He is a great physician
Providence Patient
The doctor and his staff were very kind and helpful.
Providence Patient
Always outstanding care from Dr. Ruby and his team.
Providence Patient
Excellent provider and caring and competent staff.
Providence Patient
Dr. Ruby, is a wonderful and knowledgeable doctor, whom I believe saved my life. He diagnosed my problem and discussed with me the information from test results. After prescribing for me a medication, diet and exercise routine to improve my health outcomes, I have had a hugh reversal of the damaging effects from my illness. I feel that my current improved health outcomes are due to the vast knowledge and experience of Dr.Ruby. Thank you Dr.Ruby!!!
Providence Patient
Dr Ruby is a very good doctor. He listened to my concerns and questions
Providence Patient
Dr Ruby has been keeping me healthy for over 20 years. I am lucky to have crossed paths with him.
Providence Patient
Dr Ruby help me in control my thyroid on normal thank you Dr Robin
Providence Patient
I truly appreciate the attention given Dr Ruby and his staff, I feel very confident of the care they give to my health concerns.
Providence Patient
I am very happy with my doctor and his staff
Providence Patient
Always get excellent care.
Providence Patient
Dr. Ronald Ruby is an exceptional physician and I feel very fortunate that he serves as my PCP!
Providence Patient
Dr. Ruby went to great lengths to explain my problem and even drew a diagram for me.
Providence Patient
I have known this provider many years and am totally satisfied.
Providence Patient
Very fortunate to have Dr. Ruby as primary care provider.
Providence Patient
Dr Ruby is the best and staff wonderful. Great team and great Doctor
Providence Patient
Always a pleasure to visit this office.
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
- Cardiovascular Disease
- 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
- Osteopetrosis
- 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
Dr Ruby is an outstanding physician who cares about his patients. You were lucky to have brought him into you medical organization.
Providence Patient