Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Adnan K Diwan, MD

Individual provider Internal Medicine Physician · NPI 1144279878

Dr. Adnan K Diwan, MD is an Internal Medicine in Rye, New York. Graduated from New York University School of Medicine in 2002, 24 years ago. Practices with Westchester Medical Group, PC, a 410-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
24
Trained at
New York University School of Medicine
Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1 Theall Rd
Rye, NY 10580-1404
Phone: (914) 848-8700
Fax: (914) 682-6403
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 236586 (NY)

Record details

NPI number1144279878
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 9, 2006
Last updated in NPPESOctober 16, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Westchester Medical Group, P.C — 410 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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