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Endocrinology in Northampton, MA - Primary Care | Physicians

4.8 out of 5 · 1,062 reviews

Endocrinology • Northampton, MA

Clinic Type

Endocrinology

Address

22 Atwood Drive, Northampton, MA 01060

Phone

413-586-2198

Email

mghpfr@mgb.org

Opening Hours

Not published — contact the clinic to confirm hours.

Emergency Care

If this is a medical emergency, call 9-1-1. For immediate help with a psychological crisis, including suicidal thoughts, call 9-8-8.

Services Offered

  • Endocrinology
  • Endocrinology clinic
  • Diabetes care
  • Hormonal imbalance treatment
  • Metabolic disorders

Team

  • John Nicasio, DO — DOCTOR
  • Catherine Mary Hegarty, BS, MD — MD
  • Eva Karacsonyi, MD — MD

Insurance & Payment

—

Languages Spoken

—

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Mass General Brigham: 4.9/5 (153)
  • Mass General Brigham: 4.9/5 (184–192)
  • Mass General Brigham: 4.6/5 (172–174)
  • Mass General Brigham: 4.9/5 (179)
  • Mass General Brigham: 4.8/5 (141)
  • Mass General Brigham: 4.8/5 (59)
  • Healthgrades: 4.9/5 (approx) (49)
  • Mass General Brigham: 4.8/5 (125)

Patients praise

  • High patient satisfaction scores for most providers (generally 4.6–4.9 out of 5)
  • Providers are frequently described as attentive listeners who explain treatment plans clearly
  • Strong appreciation for thoroughness and compassionate care
  • Many patients express high levels of trust and willingness to recommend providers to family and friends

Common complaints

  • Issues with office staff communication or rudeness
  • Reports of feeling unheard or rushed during appointments
  • Occasional delays in portal messaging responses
  • Specific, highly critical reviews citing poor bedside manner and lack of thoroughness for certain providers

"Dr. Tim Parsons is an experienced, skillful, and compassionate provider of care. I'm so grateful to have him on my care team..."

— Mass General Brigham patient review

"Dr Nicasio did not listen to me AT ALL. He talked right over me... I have no trust in his medical judgment."

— Healthgrades patient review

"Endocrinologist, Dr. NICASIO, [redacted] is in my top 10 of all the doctors of my lifetime. He listens to me, and we have productive conversations."

— Mass General Brigham patient 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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