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About

Summary: Chautauqua Medical Services is part of the Great Lakes Physician Practice (GLPP) network, a private healthcare group based in Jamestown, NY. GLPP encompasses primary care, specialty services, and surgical providers across multiple affiliated practices (including Jamestown Area Medical Associates and Lakeshore Orthopedics and Sports Medicine) to deliver coordinated care. GLPP operates over 20 locations in Chautauqua County, with 4 offices listed under GLPP’s Jamestown Silver Creek locations, and collaborates with local hospitals to ensure seamless patient care. Contact options include multiple phone numbers (e.g., 716-488-1877, 833-444-4577).

Clinic Type

Internal Medicine

Address

Chautauqua Medical Services, Northern Chautauqua County (GLPP)

Phone

716-934-3641

Email

Opening Hours

Mon/Wed/Fri 8:00AM - 5:00PM; Mon-Fri 8:00AM - 5:00PM at Dunkirk location; Sat 9:00AM - NOON (Dunkirk) [and other locations show 8:00AM - 5:00PM for Fredonia, Salamanca, Silver Creek, Jamestown areas if listed in excerpts]

Telehealth

GLPP video visit available

Services Offered

  • Primary Care
  • Specialty Care
  • Internal Medicine
  • Advanced Practice Providers
  • Physical Therapy

Team

  • Hyder Alam, MD — Internal Medicine
  • Shaden Alfallay, MD — Internal Medicine
  • Steven Barnes, DO — Internal Medicine
  • Anthony Bartholomew, MD — Internal Medicine
  • Sarah Bartholomew, PA-C — Internal Medicine
  • Michael Guilding, MD — Internal Medicine
  • Tyler Gustafson, RPA-C — Internal Medicine
  • Courtney Hammond, PA-C — Internal Medicine
  • John M. LaMancuso, MD, FACP — Internal Medicine
  • Andrew Landis, MD — Internal Medicine
  • Stephen Laskowski, DO — Internal Medicine
  • Susan Mackowiak, CRNP — Internal Medicine
  • Andrew Manoharan, MD — Internal Medicine
  • Hamza Muhammad, DO — Internal Medicine
  • Evadne C. Ong, MD — Internal Medicine
  • Xuan Huy Phan, MD — Internal Medicine
  • Carl Roth, DO — Internal Medicine
  • Mary Rudloff, PA-C — Internal Medicine
  • Beth Wlodarek, PA-C — Internal Medicine

Insurance & Payment

Languages Spoken

FAQs

What services does Chautauqua Medical Services provide?

Internal Medicine and related primary and specialty care services.

Photos

What Patients Say

Overall sentiment across review platforms: negative

  • Healthgrades: 1.0/5.0 (1 (Healthgrades))
  • LocalityBiz: 1/5 stars (general tone) (multiple (LocalityBiz))
  • Beauty New York: 1/5 stars (multiple (Beauty New York/Aggregate))

Patients praise

  • Some patients have had positive experiences with specific doctors and receptionists
  • Some providers are described as knowledgeable and effective at maintaining patient health

Common complaints

  • Inconsistent or poor communication, including failure to return calls
  • Scheduling errors, including canceled appointments, long wait times, and difficulty securing appointments
  • Issues with billing and administrative competence
  • Perceived dismissiveness from some providers and staff
  • Frequent turnover of physicians and concerns regarding staff professionalism

"Absolutely horrible office staff. I never made it to see a doctor because the front office was so disorganized."

LocalityBiz User Review

"Avoid this pace at all costs if you value your health."

Beauty New York User Review

"Dr. Eklum was dismissive at my appointment and the office manager was dismissive of my concerns about Dr. Eklum."

Healthgrades User 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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