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Ronald J. Ruby, MD

4.3 (18 reviews)

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Review Highlights - Ronald J. Ruby, MD

Ruby upon arriving in Manhattan Beach (from NYC) in 1994, and he was a caring cool cat out of the shute.

Mentioned in 14 reviews

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Cynthia Ro, MD - Dr. Cynthia Ro, M.D.

Cynthia Ro, MD

4.7(12 reviews)
3.9 mi

I decided in January that I wanted an endocrinologist to monitor my health concerns. I called to…read moremake an appointment at that time and the earliest available appointment was in July. Six months later! I had my appointment last week and it was completely worth the wait. Dr. Ro was kind, professional and assuaged all of my fears regarding my health. The staff were also very helpful and kind as well. I'm very happy with my decision and I highly recommend, 10/10.

Believe the hype! Dr. Ro and her staff are incredibly warm and helpful…read more I switched from Kaiser to a PPO a few years back and found Dr. Ro through the stellar Yelp reviews. Generally, such great reviews for a doctor's office leave me a bit skeptical (my father owned a couple of medical clinics throughout his career, and my mother was an administrator, so I've been behind the scenes). However, I booked my first appointment and never looked back! They were very accommodating during the Pandemic, so my treatment, while remote, never skipped a beat. There are very good reasons she's booked so far in advance, and why so many of her patients are devoted to her practice. Finding a physician who still radiates a passion for her profession is rare these days - grueling schedules and insurance claim headaches can wear away at the most cheerful of personalities. However, in the years I spent under her care, she never lost focus on the patient, their medical treatment, and their overall experience.

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Cynthia Ro, MD
Cynthia Ro, MD
Cynthia Ro, MD

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UCLA Health South Bay Endocrinology - UCLA Health South Bay Endocrinology Suite 100

UCLA Health South Bay Endocrinology

4.0(3 reviews)
4.1 mi

[Review #721] 2023-007…read more I haven't been maintaining/checking my health since COVID-19 lockdown 3 years ago so I'm wayyy past due for a physical or routine check-up. One of my required exams is a retinal photo as part of the annual diabetes eye screening to examine eyes for signs of diabetic eye disease, including diabetic retinopathy, as well as other eye problems, such as glaucoma & cataracts. It was almost a month ago from the initial screening & left my PCP's office will a very long "after visit summary." Out of habit, I filed it away before my calendar alert pinged me that my follow-up appointment was coming up & I didn't complete any of the listed exams. \(`0´)/ Luckily, the retinal photo takes 10 - 15 minutes & appointments are easier to come by. Good thing was a South Bay location so I didn't have to trek up to Santa Monica, Century City, or Westwood (gulp!); I can't imagine driving that distance for this quick exam. I called UCLA Health South Bay Endocrinology & was able to get an appointment before my PCP follow-up. I initially wanted it on the hour but the receptionist said to check-in 15 minutes early, & I didn't think I could make it on time so took a 2:20 PM slot. I arrived just after 1:45 PM & could have made the earlier time; I ended up sitting in the reception area for 30+ minutes when there was no one ahead of me. (ノ__ヽ) I did get called right on the dot. The technician (think his name was Cuong?) was friendly & patient, explaining the process & what I'm suppose to do. He also assured me that the equipment was cleaned so I can confidently place my eye on the bulbous part of the scanner. It took me awhile to position myself/right eye to see the "green" light, then standing still to maintain the green light. It was faster with my left eye because I knew what I was doing. Whew! LOL Not counting the lobby wait time, I was done in under 10-mins. What is endocrinology? It's the study of hormones, which are essential for our everyday life, controlling our mood, stress, growth, temperature, sleep, etc. The doctor - endocrinologists - diagnose & treat conditions like diabetes, thyroid diseases, infertility, growth issues, metabolic disorders, osteoporosis, some cancers, & disorders in the hormone-producing adrenal glands & pituitary glands. I needed to look up endocrinology because the other facilities were aptly named diabetes or health center; I wanted to make sure I was in the right place. Other than the check-in "waiting period," it was a fast & smooth process. UCLA Health South Bay Endocrinology is located in Madison Park Medical on the 1st floor. The medical center has 2 entrances; one off PCH, which is strange since there's no street parking, & the other is on the back, entering from the parking lot. There's plenty of parking spaces on the east & west sides, with the north end mostly filled since it's closest to the entrance. The facility was open, bright, & clean. The reception area's flatscreens showed serene images but it got my 7 YO son worked up, asking a laundry list of questions about the displays. Why are there aquatic life in the flowing stream? Is that mountain that you can climb? Why don't they put on a show to entertain me? Yeesh! ;-) Still, I recommend UCLA Health South Bay Endocrinology for all your hormonal needs.

I recently visited Dr. Navabi for help managing my Hashimoto's/Hypothyroidism after a long journey…read moreof self-advocacy, research, and appointments with multiple doctors. I went in prepared with a clear idea of the care and testing I believed would help. Unfortunately, my experience was disappointing. From the start, many of my requests were dismissed, and I was told I didn't understand my own condition. When I mentioned my struggles with weight loss despite being in a calorie deficit, he responded with frustration, saying I should only eat one meal a day if I wanted to lose weight. This felt dismissive and insensitive, especially given the complex nature of hormonal issues. An assistant was in the room taking notes, and her discomfort was noticeable; she wouldn't even make eye contact with me. It seemed she, too, recognized how extreme some of his advice sounded. When I asked for lab work to explore further, he refused some of the tests, stating they weren't necessary. Overall, I felt unheard and unsupported, which is the opposite of what I was looking for in a specialist. I would like to add that if this was just a review of the office and its staff (outside of my experience with this Dr), my review would be 5 stars.

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UCLA Health South Bay Endocrinology - Reception/Check-In Desk

Reception/Check-In Desk

UCLA Health South Bay Endocrinology - Reception Area

Reception Area

UCLA Health South Bay Endocrinology - Madison Park Medical Building Entrance

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Madison Park Medical Building Entrance

Holtorf Medical Group - Eager to try this

Holtorf Medical Group

4.4(162 reviews)
5.1 mi

I've been a patient of Dr. Evans at Holtorf Medical for over a year and the difference in my…read morequality of life has been significant. She helped me finally get my Hashimoto's under control after years of feeling like something was off. Since working with her I've lost weight, my energy has improved, and I genuinely feel better in my body than I have in a long time. Dr. Evans actually listens. She digs into the details and treats you as a whole person, not just a set of labs. If you've been struggling with thyroid issues and feel like conventional medicine hasn't given you answers, I can't recommend her enough. Five stars without hesitation.

When I first started seeing Dr. Lisa, it was life-changing. I had been struggling with constant…read morefatigue, exhaustion, and a lack of energy, but for the first time, I finally felt normal again. She truly listened to me, took my symptoms seriously, and helped me get back to feeling like myself. When Dr. Lisa left, I panicked! I finally had a provider who truly understood me, and I wasn't sure what to do. But Christina, Dr. Lisa's MA at the time, reassured me that Dr. Evans was just as good, and she was absolutely right. From my first appointment with Dr. Evans, I was beyond impressed. She took the time to go over all of my blood work in detail, explained everything thoroughly, and really listened to what I wanted to achieve with my health. She made sure I felt comfortable and confident in my care moving forward. I had initially considered leaving to follow Dr. Lisa, but I'm so grateful I stayed. Dr. Evans and Kim have been everything I've needed and more. If you're searching for a provider who truly listens, understands, and provides exceptional care, look no further, Holtorf Medical Group is the place to go.

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Holtorf Medical Group - Front entry

Front entry

Holtorf Medical Group - Interior lobby. See Dr. Nancy Evan's. Adore her!

Interior lobby. See Dr. Nancy Evan's. Adore her!

Holtorf Medical Group

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Cynthia Williams, MD

Cynthia Williams, MD

4.0(5 reviews)
3.5 mi

Here's a "doctor's doctor" ... outstanding medicine ... many physicians could benefit from…read morepracticing medicine as Dr. Williams does ... patience, no "doctor speak" without a thorough explanation in "patient speak" + a great sense of humor ... and readily accessible ... Here is an internal medicine practice physician, boarded in Internal Medicine and Endocrinology ... and ... Chief of Endocrinology at Torrance Memorial Hospital ... The staff is also excellent including a physician assistant who I believe is extremely well trained. When I'm being seen by her I feel confident that her diagnosis and treatment suggestions are the results of her training together with her knowledge of my medical history. I feel that PA's will be relied upon by doctors more and more to assist in expanding medical health care and will become the vanguard of medicine. Dr. Williams also has a phlebotomist, an office manager, who seems to be "everywhere at once," and a nice receptionist too ... everyone here makes me feel welcome and I have the sense that I'm valued ...

If you're a tourist forget it she will not help you. KLM…read moremisplaced my baggage with my medication! I tried explaining to her receptionist, I am a diabetic,have BlueCross PPO, I am from the South Bay Area, I finish my insulin, and had a few days of oral meds left! I could understand if I was asking for an opioid, i was in need of diabetic medications. The last time I checked, metformin, Jardiance, and Lantus were not recreational! My recommendation is to pass on her!

Gayane Ambartsumyan, MD PhD - Gayane Ambartsumyan, M.D., Ph.D.

Gayane Ambartsumyan, MD PhD

5.0(6 reviews)
0.1 mi

My husband and I were trying to have a baby for 4 years. I am 39 and husband is 42; both of us are…read morehealthy with no medical issues so after 2 IVF treatments (One pregnancy was ectopic and the second was failed pregnancy) at HRC Newport Beach (please see review for HRC), we decided to consider other clinics, needless to say, we are SO happy we did! After a diligent research, we found Dr Ambartsumyan (Gayane) at Reproductive Partners in Redondo Beach. We were able to get an appointment with her within a week and during our apt my husband and I immediately felt comfortable with her. She was knowledgeable, funny and easy to talk to you. In fact, having Dr A as my RE made me feel like I had a personal physician. If I had any questions, Dr A was a text message away [I think she sleeps with her phone :-) ] she immediately answered all my questions. On the day of my IVF, I had acupuncture (please see Deannie Janowitz review) and after our first try of IVF with Dr. A, I got pregnant. I am now 14 weeks along with a healthy and growing baby boy. I have three embryos left and I'm plan on using them again with Dr. A as my RE. There is no doubt that Dr. A is a rare breed of physician: equally knowledgeable as she is caring. I feel incredibly lucky to have Dr. A as my RE and I highly recommend her to anyone! Update: In 2017, I had another IVF with Dr. A and delivered a beautiful and healthy baby girl (I was 42 yrs old). She is 7month old and I am grateful as can be!

Words can't express how appreciative I am of Dr. A! She helped make my dream of motherhood a…read morereality after two prior miscarriages, and I will be forever grateful to her and the staff at RPG. Dr. A was patient, personable, and attentive. She went above and beyond by returning my calls and texts on holidays and weekends, which is nearly unheard of in this day and age. Me and my husband were treated like people, not just numbers, which is so important on this journey! Graduating from RPG to my OB at 8 weeks pregnant was a dream come true. As I hold my 7 month old miracle baby in my arms today, I give thanks to this amazing clinic for the level of care we received.

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Gayane Ambartsumyan, MD PhD
Gayane Ambartsumyan, MD PhD

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Ronald J. Ruby, MD - endocrinologists - Updated May 2026

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