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About

MemorialCare Medical Group is a nonprofit healthcare organization with over 180 physicians serving more than 130,000 patients across Orange and Los Angeles counties. Headquartered in Tustin, CA, the group operates multiple locations in the Southland, including facilities in Costa Mesa. Founded in 2011, it offers services across family medicine, internal medicine, pediatrics, laboratory services, and urgent care through MemorialCare Health Express and other centers. Main contact: 877-696-3622. Website: memorialcare.org/medical-group.

Clinic Type

Rheumatology

Address

Our Health Center is located on the corner of Bristol and Baker Street in Costa Mesa

Phone

+1-877-696-3622

Email

lbmmcmchlbcustomerservice@memorialcare.org

Opening Hours

Monday - Friday: 8:00 am - 5:00 pm

Services Offered

  • Family Medicine
  • Rheumatology
  • Laboratory Draw Stations

Team

  • Man R Shim, MD — Rheumatology

Insurance & Payment

Languages Spoken

FAQs

What are the office hours?

Office Hours: Monday - Friday: 8:00 am - 5:00 pm

How can I schedule an appointment or get a telephone advice nurse?

Patients can call to schedule an appointment or speak to a Telephone Advice Nurse 24/7/365. Call us at (877) 696-3622.

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Healthgrades: Ratings vary by provider (e.g., 92-105+ ratings for some) (Multiple providers listed with independent review counts)

Patients praise

  • Highly knowledgeable and professional doctors
  • Excellent bedside manner and listening skills
  • Thorough exams and clear explanations
  • Kind and caring staff
  • Flexible options for uninsured patients

Common complaints

  • Long wait times for appointments
  • Billing errors and difficulties resolving them
  • Difficulty speaking to doctors offices over the phone
  • Billing sent to collections despite insurance coverage issues

"Best experience doctor wass really listen and cares my only doctor from hear on out"

Loc8NearMe review (May 2026)

"I want to give it higher stars because I like my doctor but I always end up waiting 45+ minutes for every appointment here. ... they don’t seem to value my time."

A-Better-Place review

"Their billing practices are bogus when they confirm your insurance and take your copay as valid, then they charge you for the full visit... they just send bill to collections on my perfect credit..."

A-Better-Place review

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 10, 2026.

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