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Endocrinology - Find a Doctor - Northwell Health

4.9 out of 5 · 429 reviews

Endocrinology • Hudson, NY

About

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Clinic Type

Endocrinology

Address

—

Phone

845-561-5972

Email

medicalrecords@nuvancehealth.org

Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://findcare.nuvancehealth.org/search?page=1&sort=name&specialty_all=Endocrinology

Services Offered

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Team

  • Rehan Ahmad — DO
  • Umar R. Ahmad — DO
  • Ipek Alpertunga — MD
  • Margaret T. Apedo — MD
  • Ayesha Cheema — MD
  • Teresa A. Cichosz — APRN
  • Lawrence P. DeBellis — DO
  • Anna C. Freitag — MD
  • Kristen Jackson — MD
  • Mukhtar I. Khan — MD
  • Kathleen Kirrane — APRN
  • Michelle Lee — PA

Insurance & Payment

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Languages Spoken

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Social Media

TwitterYoutubeFacebookLinkedinInstagram

Photos

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What Patients Say

Overall sentiment across review platforms: mixed

  • Northwell Health website: 5/5 (368 reviews) (368 reviews)
  • Vitals: 4.3/5 (27 ratings)
  • Healthgrades: 4.3/5 (12 ratings)
  • WebMD: 5/5 (22 ratings)

Patients praise

  • Strong clinical outcomes and treatment efficacy for some patients
  • Knowledgeable and caring bedside manner cited by multiple reviewers
  • Clear communication of complex endocrine conditions
  • Helpful and responsive support staff reported by some patients

Common complaints

  • Issues with office staff communication and responsiveness
  • Long wait times reported by some patients
  • Billing concerns and insurance in-network issues
  • Some patients reported feeling rushed or unheard by providers

"The very best endocrinologist I have ever ever ever had. She got my A1C down from a 14 to a 6.5."

— Healthgrades (Dr. Delia Stefan)

"Horrible unable to get medicine as a diabetic!"

— Vitals (Dr. Delia Stefan)

"The doctor I have had for years, he is very nice. But today I happened to be running late... The receptionist in the front made a comment... I think it was very rude of her."

— Vitals (Dr. James G. Hellerman)

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

In the News

Information sourced from the clinic's website as of July 11, 2026.

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