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Internal Medicine in Jamestown, NY - Find a UPMC Provider logo

Internal Medicine in Jamestown, NY - Find a UPMC Provider

Internal MedicineJamestown, NY

★★★★★4.9/5890 reviews across 5 platforms

Ratings by platform

  • UPMC Provider Portal (Dr. Evadne C. Ong): 4.9/5 (394 ratings, 121 reviews)
  • Birdeye (Dr. Evadne C. Ong): 4.0/5 (13 reviews)
  • UPMC Provider Portal (Dr. John M. Lamancuso): 4.9/5 (481 ratings, 89 reviews)
  • Healthgrades/Vitals (Dr. John M. Lamancuso): 3.0 to 3.9/5 (2 to 8 reviews)
  • US News Hospital Patient Experience Score (UPMC Chautauqua): 3/5 (N/A)

What patients say

Patients praise

  • Strong professional reputations for long-standing local internists
  • Patients describe providers as thorough, knowledgeable, and caring in many instances
  • High ratings on official UPMC provider portals for major practitioners
  • Long-term patient relationships spanning decades

Common complaints

  • Condescending communication style reported by some patients
  • Concerns about nursing staff phone etiquette and lack of tact
  • Reports of rushed appointments and dismissive attitudes toward mental health or younger patients
  • Hospital-level patient experience ratings lower than national averages

In patients' words

"Dr. LaMancuso is a very professional, and caring doctor. He takes pride in his work and listens to the concerns of his patients. I highly recommend Dr. LaMancuso as a physician."

UPMC Provider Portal Review

"Recently had to speak with a nurse via phone. Whomever nurse I spoke with phone skills were sub-par. No tact whatsoever. Been going to Dr. Ong for a few years and would like to continue, but she needs to check her boisterous nurse's phone skills."

Birdeye Review

"This guy will not care about you if you are under the age of 50. Acts like mental health is not a serious issue. Never took me seriously."

Healthgrades Review

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 11, 2026 — sources: [1][2][3][4][5][6][7].

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