Reliant Medical Group
Endocrinology • Leominster, MA • Since 1929
Information from public sources; not independently verified. Confirm hours, insurance and appointment availability with the clinic.
Last gathered July 11, 2026. How our information is sourced · Report incorrect information
About
Reliant Medical Group is a private, multi-location hospital and health care provider headquartered in Worcester, MA, founded in 1929 (originally Fallon Clinic). It became part of OptumCare in 2018 and operates over 20 locations with more than 500 providers and around 2,700 employees, serving 320,000+ patients. While the page lists many Central Massachusetts locations, there is no specific information about a Leominster site. For Leominster services, consider contacting Reliant Medical Group at their main numbers or checking their website for the closest office and available specialties. Key details: - Parent: OptumCare (2018) - Locations: 24 offices in the United States (primarily Central Massachusetts) - Services: general medical care, patient resources, interpreter services - Contact: main phone (800) 283-2556 - Notable history: founded 1929 as Fallon Clinic; renamed 2011; merged with Southboro Medical Group (2015)
Services Offered
Insurance & Payment
Not published.
Languages Spoken
Not published.
Social Media
Photos
Photos published by Reliant Medical Group showing the endocrinology practice in Leominster, MA.
What Patients Say
Overall sentiment across review platforms: mixed
- Birdeye (Aggregate): 3.7/5 (47 reviews)
- Yelp (Brand-wide): 2.2/5 (154 reviews (Brand-wide))
Patients praise
- Efficient and clean facility
- Helpful and friendly staff in some departments (e.g., lab, OB)
- Effective communication from some medical providers
- Convenient location with multiple services under one roof
Common complaints
- Difficulties with customer service and conflict resolution
- Negative experiences with medical staff or scheduling wait times
"the best experience, i can recommend 100%... all on time, all perfect. thank you Dr Geller and stuff you ware amazing."
- Birdeye Review (Marina V.)"Pamela Demar (NP) is EXCELLENT. She is very competent, friendly and thorough... If the scale was 1 to 10 stars, I would give her a 10."
- WebMD Review"Worst experience in the 30 years weve gone to this place for drs, pediatricians, and labs."
- MapQuest ReviewSynthesized from public review platforms as of Jul 11, 2026 - sources: [1][2][3][4].
In the News
- Margaret Trussler, Nurse Practitioner | Worcester, MA | WebMD - Oct 17, 2025
- Two years after the closure of Leominster’s maternity unit, a region is struggling - Sep 24, 2025
- UMass Memorial stands by closure of Leominster maternity ward - Dec 9, 2025
- State audit claims 2023 maternity unit closure in Leominster was preventable - Nov 25, 2025
- Shields MRI at UMass Memorial Health - Reviews, Contact Number & Phone - Feb 1, 2026
Information sourced from the clinic's website as of July 11, 2026.
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