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Rehan Ahmad, DO

Endocrinology • Greenburgh, NY

★★★★☆4.3/5143 reviews across 4 platforms

Ratings by platform

  • WebMD: 4.5/5 (49 reviews)
  • Healthgrades: 4.1/5 (42 reviews)
  • RateMDs: 4.1/5 (15 reviews)
  • Vitals: 4.3/5 (37 reviews)

What patients say

Patients praise

  • Patients frequently describe Dr. Ahmad as knowledgeable, compassionate, and attentive during appointments.
  • Many patients credit the doctor with successfully managing their diabetes or thyroid conditions.
  • Appreciation for his ability to explain complex medical information clearly.
  • Positive feedback regarding his patient-centered approach to treatment planning.

Common complaints

  • Significant complaints regarding office staff, including reports of them being unhelpful, rude, or difficult to reach by phone.
  • Issues with administrative processes, specifically delays in prescription refill authorizations and billing/insurance documentation.
  • Reports of long wait times for appointments and during office visits.
  • Difficulties in transferring medical records to other providers.

In patients' words

"I didn’t mind the wait because Dr Ahmad is a doctor who cares. He takes time with each patient to listen and to set up a plan to wellness for you."

— WebMD Patient Review

"Dealing with his office has been one of the most frustrating I’ve had. His office [staff] so poorly. I have put up [with] incompetent, phone [issues]."

— Healthgrades Patient Review

"Dr Ahmad is a great doctor.. He turned my husband’s diabetes around.. no more shots. HOWEVER to get in touch with office is horrible."

— Vitals Patient 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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