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Endocrinology & Diabetes - Baystate Health

EndocrinologyNorthampton, MA

★★★★★4.8/51,303 reviews across 4 platforms

Ratings by platform

  • Mass General Brigham (Dr. Eva Karacsonyi): 4.9/5 (416 ratings, 184 reviews)
  • Mass General Brigham (Dr. Catherine Mary Hegarty): 4.9/5 (389 ratings, 153 reviews)
  • Mass General Brigham (Dr. John Nicasio): 4.6/5 (475 ratings, 172 reviews)
  • Healthgrades (Dr. John Nicasio): 3.1/5 (23 ratings)

What patients say

Patients praise

  • Knowledgeable and expert care
  • Compassionate and kind bedside manner
  • Thorough explanations of tests and medical records
  • Effective management of chronic conditions like diabetes
  • Willingness to travel to follow preferred providers to new locations

Common complaints

  • Perceived lack of attentiveness or rushed appointments
  • Frustration with medication management or disputes over treatment plans
  • Difficulty with responsiveness or communication from office staff

In patients' words

"She is knowledgeable, compassionate. I have recommended Dr. Karacsonyi to my friends."

Patient Review, Mass General Brigham

"Under her care, I've been able to get my diabetes under control. And I almost always learn something new each visit, which helps me with managing my health better."

Patient Review, Mass General Brigham

"It's very disappointing to think we can trust doctors with medical advice. I would not recommend this doctor to anyone with a thyroid problem."

Patient Review, Healthgrades (Dr. John Nicasio)

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 11, 2026 — sources: [1][2][3][4][5][6][7][8].

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