Dr. Ronald J. Ruby, MD | Redondo Beach, CA | Endocrinology

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Dr. Ronald Jay Ruby is a board-certified endocrinologist in Redondo Beach, CA. He is committed to service, innovation, and quality care, while serving the needs of the community.

accepting new patients
4.9

474 Ratings
53 years of experience
20 insurance plans accepted
speaks English
Los Angeles County-Harbor-UCLA Medical Center
459 written reviews
1 award
2 specialties
13 areas of expertise
2 board certifications
1 hospital affiliation
1 office location
Male

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me

Based on patient feedback. Read the reviews

Dr. Ruby's Ratings and Reviews

4.9

474 Ratings with 459 written Reviews

Average Wait Time 6 Minutes

How was your appointment with
Dr. Ruby?

Patients’ Perspective

Gave an accurate diagnosis: (9) Did WellNeeds Improvement (1)
Had a good bedside manner: (8) Did WellNeeds Improvement (3)
Spent time with me: (9) Did WellNeeds Improvement (1)
Provided follow-up after the visit: (9) Did WellNeeds Improvement (0)
Flexible scheduling: (8) Did WellNeeds Improvement (2)
Saw me in a timely manner: No Ratings
Staff was courteous: No Ratings

Patients consistently express high satisfaction with Dr. Ronald Jay Ruby, praising his exceptional medical knowledge, thorough explanations, and compassionate care. He is described as attentive, caring, and effective in improving patients' health outcomes, often taking the time to address their concerns comprehensively. Although overwhelmingly positive, one patient expressed a desire for more guidance regarding lifestyle modifications related to an autoimmune condition, indicating an area for potential improvement. Overall, Dr. Ruby and his staff receive numerous commendations for their professionalism and dedication to patient well-being.

AI-generated from the text of patient reviews

474 ratings & reviews

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Showing 1 to 10 of 459 reviews

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DR RUBY IS like having god helping you

March 19th, 2026 | Source: Partner

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Always an excellent experience

March 5th, 2026 | Source: Partner

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Very respectful and know

March 3rd, 2026 | Source: Partner

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Excellent!!!!!!!!!!!!!!

March 3rd, 2026 | Source: Partner

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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.

February 27th, 2026 | Source: Partner

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I always look forward to coming in to see Dr Ruby

February 24th, 2026 | Source: Partner

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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!!!

February 22nd, 2026 | Source: Partner

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Dr. Ruby is the best! He listens, answers questions, draws things out. Refers to studies. Love him.

February 19th, 2026 | Source: Partner

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I'm very comfortable with Dr. Ruby.

February 19th, 2026 | Source: Partner

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Very satisfied with my visit

February 14th, 2026 | Source: Partner

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Providence Medical Institute - Redondo Beach Internal Medicine & Endocrinology

520 N Prospect Ave Ste 200Redondo Beach, CA 90277

Tel: (310) 374-7655


Dr. Ronald Jay Ruby, MD	Dr. Atif Jameel Alaziz, MD	Dr. Elaine May Kaptein, MD	Dr. Diana Maria Echeverry-Franck, MD
Endocrinology, Diabetes & Metabolism	Internal Medicine	Nephrology	Endocrinology, Diabetes & Metabolism
Accepts New Patients	Accepts New Patients	Accepts New Patients
4.9 (474 Ratings)	4.5 (22 Ratings)	1 (1 Rating)	3.8 (5 Ratings)
53 Years of Experience	62 Years of Experience	53 Years of Experience	30 Years of Experience
Virtual Visit Available	No Virtual Visit Option	No Virtual Visit Option	No Virtual Visit Option
Speaks English	Speaks English	Speaks Spanish, English	Speaks English, Spanish
Redondo Beach , CA	Tarzana , CA	Los Angeles , CA	Lynwood , CA
Med School: University of Texas	Med School: Case Western Reserve University School Of Medicine	Med School: Univ Of Saskatchewan Coll Of Med	Med School: Ross University School Of Medicine
Current Profile	View Profile	View Profile	View Profile

Search for your insurance and plan

Accepts Medicare
Accepts Medicaid
Aetna - HMO
Aetna Medicare Advantage PPO
Aetna PPO
Anthem Blue Cross HMO
Anthem Blue Cross Medicare Advantage
Anthem Blue Cross PPO
Blue Shield of CA HMO
Blue Shield of CA Medicare Advantage
Cigna HMO
Cigna PPO
Coventry/First Health PPO
Health Net - HMO
Health Net Medicare Advantage
Humana Medicare Advantage
Multiplan PPO
SCAN Medicare Advantage
TriWest - Tricare
United Healthcare HMO
United HealthCare PPO
Vivity by Anthem Blue Cross

Acromegaly
Addison Disease
Cushing Disease
Diabetes
Diabetes (Types I & II)
Endocrinology & Metabolism
Fatigue
Gland Issues
Hormones
Hyperthyroidism
Hypopituitarism
Hypothyroidism
Weight Loss

MEDICAL LICENSE

Medical Doctor, California, 2027, Active

EDUCATION & TRAINING

Fellowship

Los Angeles County-Harbor-UCLA Medical Center1979

Residency

Johns Hopkins Bayview Medical Center1977

John Hopkins Bayview Medical Center1977

Internship

Johns Hopkins Bayview Medical Center1974

John Hopkins Bayview Medical Center1974

Medical School

University of TexasGraduated in 1973

University of Texas Southwestern Medical Center at Dallas Southwestern Medical SchoolGraduated in 1973

Dr. Ruth Tesfaye
Nurse Practitioner
| Torrance, CA
(0)
Dr. Calvin C Wu, MD
Pediatrics
15 Years Exp | San Francisco, CA
(2)
Dr. Carol Rae Ishimatsu, MD
Pediatrics
41 Years Exp | Bellflower, CA
(2)
Dr. Richard Preston Marrs, MD
Reproductive Endocrinology
52 Years Exp | Los Angeles, CA
(18)
Dr. Dorothy Santos Martinez, MD
Endocrinology, Diabetes & Metabolism
31 Years Exp | Los Angeles, CA
(16)
Dr. Dianne Soukfun Cheung, MD
Endocrinology, Diabetes & Metabolism
22 Years Exp | Torrance, CA
(18)
Dr. Sina Tebi, MD
Endocrinology, Diabetes & Metabolism
17 Years Exp | Newhall, CA
(15)
Janet Peters
Endocrinology, Diabetes & Metabolism
| Los Angeles, CA
(0)
Dr. Danielle Louise Borut, MD
Pediatrics
| Los Angeles, CA
(12)
Dr. Jennifer Kuangwei Yee, MD
Pediatrics
25 Years Exp | Torrance, CA
(0)

Where is Dr. Ronald Ruby's office located?: Dr. Ronald Ruby's office is located at 520 N Prospect Ave Ste 200, Redondo Beach, CA, 90277.
Which hospitals is Dr. Ronald Ruby affiliated with?: Dr. Ronald Ruby is affiliated with Providence Little Company Of Mary Medical Center Torrance.
Does Dr. Ronald Ruby accept my insurance?: You can see the insurance plans that Dr. Ronald Ruby accepts on their Vitals profile.
What languages does Dr. Ronald Ruby speak?: Dr. Ronald Ruby speaks English.
How can I make an appointment with Dr. Ronald Ruby?: You can find contact information for Dr. Ronald Ruby here on Vitals.

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