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Clinic Type

Endocrinology

Address

5159B Route 9W, Newburgh, NY 12550

Phone

845-561-5972

Email

medicalrecords@nuvancehealth.org

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Endocrinology
  • Diabetes & Metabolism
  • Internal Medicine (training)

Team

  • Dr. Rehan Ahmad, DO, DO — Endocrinologist

Insurance & Payment

Languages Spoken

  • English
  • Spanish (via NUVA language resources)

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • WebMD: 4.5 out of 5 stars (49 ratings)
  • Healthgrades: 4.1 out of 5 stars (42 reviews)
  • RateMDs: 4.1 out of 5 stars (15 reviews)
  • Vitals: 4.3 out of 5 stars (37 ratings)

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.

"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

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.

More endocrinology clinics in Greenburgh

Greenburgh, NY·Endocrinology

Crystal Run Healthcare is a multi-specialty medical group serving New York’s Hudson Valley and lower Catskills, with 375+ physicians across 50+ specialties. They operate 14 offices, including locations in Rock Hill, Goshen, Warwick, and Middletown (HQ at 155 Crystal Run Road, Middletown, NY). The organization emphasizes value-based care and offers endocrinology among its specialties, with recent additions to the endocrinology team (endocrinologists joined in 2024–2025). If you’re seeking endocrinology care in Greenburgh, this site confirms Crystal Run treats endocrine disorders through its broader Hudson Valley network, but you may need to check for a specific Greenburgh location or nearby offices and schedules.

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