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

Individual provider Internal Medicine Physician · NPI 1386663235

Dr. William Gregory Suozzi, MD is an Internal Medicine in New York, New York. Graduated from Icahn School of Medicine at Mount Sinai in 1984, 42 years ago. Practices with Icahn School of Medicine at Mount Sinai, a 2,791-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
42
Trained at
Icahn School of Medicine at Mount Sinai
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

234 Central Park W
New York, NY 10024-6003
Phone: (212) 579-2200
Fax: (212) 579-2212
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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 164950 (NY)

Record details

NPI number1386663235
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 19, 2006
Last updated in NPPESApril 16, 2021
Certification dateApril 16, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 1984 (42 years in practice)
Group practice Icahn School Of Medicine At Mount Sinai — 2791 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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