
Rheumatology Services | UCI Health | Orange County, CA
Rheumatology • Costa Mesa, CA • Six convenient locations across Orange County: UCI Medical Center in Orange; UCI Health — Costa Mesa; UCI Health — Laguna Hills; UCI Health — Newport Beach MacArthur; UCI Health — Tustin; UCI Health — Yorba Linda locations
About
UCI Health Rheumatology Services operates at six locations across Orange County, including Costa Mesa, Laguna Hills, Newport Beach, Tustin, Yorba Linda, and Orange. Board-certified rheumatologists diagnose and treat complex rheumatic conditions including rheumatoid arthritis, lupus, scleroderma, gout, and vasculitis, offering specialized clinical services, injection and infusion therapies, and access to clinical trials at Orange County's only academic health system.
Clinic Type
Rheumatology
Address
Six locations across Orange County: UCI Medical Center in Orange; UCI Health — Costa Mesa; UCI Health — Laguna Hills; UCI Health — Newport Beach MacArthur; UCI Health — Tustin; UCI Health — Yorba Linda
Phone
714-456-7720
carriem1@hs.uci.edu
Opening Hours
Not published — contact the clinic to confirm hours.
Emergency Care
If you are experiencing an emergency, please call 911 or go to the nearest UCI Emergency Department
Services Offered
Technology & Equipment
Team
Insurance & Payment
—
Languages Spoken
—
FAQs
What conditions do UCI Health rheumatologists treat?
The Rheumatology team diagnoses and treats a full range of complex rheumatic conditions, including Ankylosing spondylitis, autoimmune rheumatic diseases, fibromyalgia, gout, myositis, osteoarthritis, osteoporosis, pseudogout, psoriatic arthritis, rheumatoid arthritis, sarcoidosis, scleroderma, Sjogren's syndrome, spondyloarthropathies, systemic lupus erythematosus, and vasculitis.
How can I make an appointment?
For more information or to make an appointment, please call 714-456-7720.
Where are the rheumatology clinics located?
They see patients at six convenient locations across Orange County: UCI Medical Center in Orange; UCI Health — Costa Mesa; UCI Health — Laguna Hills; UCI Health — Newport Beach MacArthur; UCI Health — Tustin; UCI Health — Yorba Linda.
Do they offer specialized clinical services?
Yes, for patients with lupus, scleroderma, myositis, gout and crystalline arthritis. They also offer medical therapies for various autoimmune conditions, as well as injection and infusion therapies.
Is UCI Health involved in research or clinical trials?
Yes, rheumatologists are actively involved in research and clinical trials at Orange County’s only academic health system.
Photos








What Patients Say
Overall sentiment across review platforms: mixed
- UCI Health (Dan A. Mandel, MD) — UCI Health | Orange County, CA: 4.7 (152 ratings) overall rating (152)
- Vitals (Dr. Man R. Shim, MD) — Costa Mesa, CA: 4.8 out of 5 stars (18 ratings with 16 written reviews)
- UCI Health (Sheetal B. Desai, MD) — Orange County, CA: 5.0 overall rating (35)
Patients praise
- High clinician ratings (e.g., 5.0 for Sheetal B. Desai, 4.7 for Dan A. Mandel, 4.8 for Man R. Shim)
- Positive patient commentary in reviews emphasizing kindness, not rushing appointments, and thorough answers (from Vitals snippet for Dr. Man Shim)
Common complaints
- Reported administrative/booking and service complaints (missed phone call / long delay / appointment confusion)
- Complaint about billing/charge and refusal to do blood work or treat (described as a negative experience)
- Some Yelp complaint content indicating staff unprepared for patient needs
"“He was kind, patient and took time to understand why I was there.”"
— Vitals review snippet for Dr. Man R. Shim, MD"“The staff was NOT prepared for a hospice patient and had NO idea of her condition.”"
— Yelp review excerpt (UCI Health - Costa Mesa)Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].
In the News
- Lupus symptoms vary, complicating diagnosis | UCI Health | Orange County, CA — Jun 1, 2026
- UCI Health lupus clinical trial patient Kimberly Renihan offers hope to others with disease | UCI Health | Orange County, CA — Feb 1, 2026
- Inflammatory Bowel Disease (IBD) Program | UCI Health | Orange County, CA — Oct 7, 2025
- Biologics Infusion Therapy Orange County | AmeriPharma Orange, CA — Jan 16, 2026
Information sourced from the clinic's website as of . Own this clinic? Claim or correct this listing.
Related articles
- Top 6 Vascular Surgeons in Virginia: 2026 Selection Criteria — Oct 26, 2026
- 5 Best Eye Doctors and Ophthalmologists in Maine — Oct 25, 2026
- 5 Best Orthodontists in Michigan by Treatment Fit — Oct 21, 2026
Comparing your options?
See other rheumatology clinics in Costa Mesa, or search the full directory by insurance, ratings, and more.

