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About

Sheridan Medical Group (SMG) is a Tonawanda, NY-based primary care practice founded in 2003. It operates as a private partnership with 4 employees and annual revenue around $29.8M. SMG delivers integrated, evidence-based care across ages, with services spanning primary care, physical therapy, sleep, mental/behavioral health, nutrition, mindfulness, pharmacy consultation, labs/tests, and patient-centered medical home (PCMH) those with level-3 PCMH status. The group emphasizes interdisciplinary collaboration, a flat organizational structure, and patient-focused workshops. Offices located in Tonawanda and Grand Island, NY. Contact: 716-447-1286 / 716-332-4476. Website: sheridanmedgroup.com.

Clinic Type

Primary Care

Address

1491 Sheridan Drive, Suite 100, Tonawanda, NY 14217

Phone

716-332-4476

Email

Opening Hours

Monday - Thursday 8:00am - 5:00pm; Friday 8:00am - 4:00pm

Emergency Care

911

Services Offered

  • Primary Care
  • Family Medicine

Team

  • Richard A. Carlson, JR., M.D. — Physician
  • Rajiv Jain, M.D. — Physician
  • Susan Szimonisz, MD — Physician
  • Geri Lynn Berard, FNP — Physician Assistant
  • Amanda Rusch, FNP-C — Physician Assistant
  • Suzanne Thomas, RN, MSN, ANP-BC — Nurse Practitioner

Insurance & Payment

Through patient portal, Make a payment online, Other payment options available via website forms

Languages Spoken

  • English

FAQs

Manage Your Care Online

Click Here For Patient Portal

We Are Accepting New Patients

Call 716-332-4476 Today to Schedule an Appointment

Manage Your Account Online

Click Here To Make A Payment.

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Vitals: Average ratings for individual providers (e.g., 3.4-4.4 out of 5) (N/A (Limited sample))
  • LocalityBiz: Generally positive (frequent 5-star reviews) (N/A (Limited sample))

Patients praise

  • approachable and compassionate physicians and physician assistants
  • friendly and efficient office staff
  • clean and well-maintained office environment
  • personalized care for patients with complex needs like dementia
  • strong communication and listening skills of providers

Common complaints

  • perceived lack of clear health management plans
  • perceived difficulty in obtaining certain medical requests
  • concerns regarding office capacity/patient load

"I cannot say enough wonderful things about Sheridan Medical Group. It’s rare to find a medical practitioner’s office that cares so deeply about their patients. Every staff member I’ve spoken to or seen has been kind, helpful, and knowledgeable."

LocalityBiz Review

"They have no real plan for your health problems and when you ask them for something, they give every reason to not give it. They have taken on WAAAY too many patients."

Yelp Review

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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