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 for new patients. Coverage may vary by specific plan. Please verify with your insurance provider before visiting us for care. Established patients should call to verify insurance acceptance.
- Aetna Medicare Advantage PPO
- SCAN Medicare Advantage
- United Healthcare PPO
- Cigna HMO
- Anthem Blue Cross PPO
- Multiplan PPO
- Cigna PPO
- Coventry/First Health PPO
- Aetna PPO
- TriWest - Tricare
- Vivity by Anthem Blue Cross
- 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.
Dr Ruby is expert in my area of need. Full discussion of findings, options and recommendations for treatment.
Providence Patient
Grateful for this care provider. Very fortunate.
Providence Patient
Good doctor
Providence Patient
Dr. Ruby is a respected and caring doctor, and I have lots of medical issues.
Providence Patient
He's the best
Providence Patient
Dr. Ruby is very knowledgable and takes his time with exams and explanations. Not one for fads, he tells it like he sees it and is honest and responsive. I trust his judgement and value his assessments as my provider. I cannot say enough good about Dr. Ruby!!
Providence Patient
Dr. Ruby is very attentive, knowledgeable, and understands my medical needs.
Providence Patient
The team at this facility is always considerate and professional.
Providence Patient
Have had good experiences
Providence Patient
Dr. Ruby is excellent! I have gone to him for years
Providence Patient
Dr. Ruby is a top-notch medical professional!
Providence Patient
This was my first visit to this provider, Dr Ruby is an excellent doctor, explained everything and listen to my concerns. I'm extremely satisfied with this provider team
Providence Patient
Dr ruby is outstanding both as to his knowledge of diabetes and his empathy to his patients and his willingness to help on short notice in a crisis.
Providence Patient
I've been going to Dr. Ruby for almost 20 years, and he has always given the best care.
Providence Patient
Excellent medical care and counseling from Dr Ruby. Always has current updates on diabetic medications and listens to my patient concerns. Communicates all aspects of technical terms and conditions in understandable terms. Provides explanations of medical and physical trends based on current lab results. Provides options to facilitate improvement and follows up on results of previous recommendations. Always concerned, courteous and kind while communicating full extent of current conditions, Office staff friendly, courteous and extremely efficient. I receive excellent support from Dr Ruby and his office staff and I'm very appreciative of their services.
Providence Patient
Always a great experience
Providence Patient
Everything was good
Providence Patient
Not mush personality in the reception team. No one smiling or small talk. Just another number.Dr. Ruby is a very outgoing doctor and will do anything to try and resolve situations that are troubling. Good beside manner, great person as well as a doctor.
Providence Patient
Dr Ruby and his team are excellent
Providence Patient
All physicians and staff in this office are friendly, polite and helpful. I love my care team!
Providence Patient
Dr. Ruby and his support staff saved and changed my life by getting to understand me the person as well as my medical challenges. His persistence over the years, his professional and personal level of service, encouragement redirected my view of my personal healthcare approach, improved the quality of my life and family life and extended / improved the quality of my life his personal / professional approach to make changes I needed to make in my life as a whole.
Providence Patient
Dr Ruby is a doctor that is knowledgeable and caring.
Providence Patient
Dr. Ruby is clear, knowledgeable and empathic.
Providence Patient
Dr. Ruby is an excellent doctor snd his office staff is very courteous.
Providence Patient
I have been a patient of Dr. Ruby for many years and could not be more pleased. His guidance and wisdom mean the world to me and I know I am in good hands.
Providence Patient
Always a professional visit. I have no problem with our Dr office.
Providence Patient
Dr Ruby has been my go-to Doc for many years! He is professional, patient, knowledgable, caring, and first-rate! I am lucky to have him in my life!!
Providence Patient
Dr. Ruby is very knowledgeable on the subject of the Thyroid Gland and explained In more detail what happens during Hyper Thyroidism. He made me at ease by the way he talked and explained things to me. I would definitely came back and definitely recommend Dr. Ruby to others.
Providence Patient
Goes over everything in detail
Providence Patient
All positive
Providence Patient
Dr Ruby is the best. Always on top of my health. And gives me great advice.
Providence Patient
Dr Ruby has been my endocrinologist for 25+ yrs I would highly recommend him
Providence Patient
Very good excellent service
Providence Patient
Great doctor and staff
Providence Patient
DR RUBY IS like having god helping you
Providence Patient
Always an excellent experience
Providence Patient
Very respectful and know
Providence Patient
Excellent!!!!!!!!!!!!!!
Providence Patient
I have been a patient of Dr Ruby prior to the time he joined your group. Things have not changed. He is up to date as to his medical knowledge and very good at explaining it to non medical people.
Providence Patient
I always look forward to coming in to see Dr Ruby
Providence Patient
Dr. Ruby is outstanding! He has helped me to obtain better health than I had before acquiring his expertise 15 years ago. I've been on the road to better health ever since my first visit, so many years ago. Dr. Ruby explained to me what could be done and how we could improve my health. He takes the time to answer my questions with honesty and compassion. Thank you Dr. Ruby and the wonderful staff in his office. The wonderful staff in his office are knowledgeable and helpful! Kudos to all of you!!!
Providence Patient
Dr. Ruby is the best! He listens, answers questions, draws things out. Refers to studies. Love him.
Providence Patient
I'm very comfortable with Dr. Ruby.
Providence Patient
Very satisfied with my visit
Providence Patient
I have great respect for Dr. Ruby
Providence Patient
Very pleased with care!
Providence Patient
Very thorough and comprehensive and caring
Providence Patient
Extremely satisfied so far.
Providence Patient
Dr ruby rocks
Providence Patient
Dr. Ruby is wonderful!
Providence Patient
All good
Providence Patient
He provided good insight into what was happening and going to happen
Providence Patient
My checkups with Dr Ruby are always informative, professional, questions answered and future recommendations to help improve my ability to control my A1C level
Providence Patient
Dr Ruby and his team provide clear, valuable, timely responses to requests and queries on the portal. This service saves time and frustration for me and, I assume, the medical team.
Providence Patient
The doctor is excellent and his staff is excellent
Providence Patient
Dr.Ruby is an excellent doctor. My experience with Dr. Ruby and his office has been vet positive.
Providence Patient
I always have a great experiences here
Providence Patient
Highly knowledgeable and professional along with humanity.
Providence Patient
I appreciate Dr. Ruby's help with my bone density issues
Providence Patient
I am fortunate to have Dr Ruby as my endocrinologist. I know I am in good hands
Providence Patient
Dr. Ruby is wonderful. He is a great doctor and I would recommend him to all my friends and family.
Providence Patient
Nothing but praise for Dr. Ruby and his staffthey literally saved and Improved the quality of my life. This is a team that advocates for their patients.
Providence Patient
Great doctor and staff
Providence Patient
Dr. Ruby is the best
Providence Patient
Always very professional. No problems very satisfied.
Providence Patient
Very satisfied thanks
Providence Patient
Dr Ruby has been keeping me healthy for over 20 years. The best in his field and an awesome human being who truly cares about his patients.
Providence Patient
Dr. Ruby is very patient and thoughtful in the information that he gives me.
Providence Patient
Dr Ruby and his staff are outstanding. They show great compassion, kindness, and respect. He's one of the best doctors in the Southbay.
Providence Patient
Dr Ruby has kept me alive for the last 15 years or there about. He is direct and is always available to me if there is an emergency as a type 2 diabetic. I couldn't ask for better or moe competant care.
Providence Patient
I've always had great experiences with the staff and Dr. Ruby. Been with him for over 20 years
Providence Patient
Dr Ruby is an outstanding physician who cares about his patients. You were lucky to have brought him into you medical organization.
Providence Patient
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
First visit concentrated on my particular concerns. Recommended more detailed evaluation and then followup to review. Excellent
Providence Patient
Dr Ronald Ruby is very thorough and extremely knowledgeable. I value being his patient
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
Dr Ruby is very informative and I trust his advice and feedback. He goes the extra mile in caring for me.
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
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
Dr. Ruby is easy to talk to & provides me with answers to my questions with valid medical knowledge.
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
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
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 the best. I am so grateful for his attentive care, focused and responsive always.
Providence Patient