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

Usman Siddiqui, MD

Individual provider Internal Medicine Physician · NPI 1356774491

Usman Siddiqui, MD is an Internal Medicine in Nyack, New York. Qualified in 2007, 19 years ago. Practices with Westchester Medical Center Advanced Physician Services PC, a 880-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
19
Licensed in
NY
In the registry since
2013
Specialties on file
2
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

311 N Midland Ave Ste 2
Nyack, NY 10960-1638
Phone: (845) 358-5006
Fax: (845) 358-4340
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 55 Palmer Ave, Bronxville, NY 10708-3403 — (914) 787-1000
  • 100 Woods Rd, Valhalla, NY 10595-1530 — (914) 493-7000

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 294940 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 294940-1 (NY)

Record details

NPI number1356774491
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 13, 2013
Last updated in NPPESMarch 4, 2024
Certification dateOctober 11, 2023
Mailing address55 Palmer Ave, Bronxville, NY 10708-3403

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Westchester Medical Center Advanced Physician Services Pc — 880 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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