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

Dr. Keith Magnus Sigel, MD

Individual provider Internal Medicine Physician · NPI 1902831431

Dr. Keith Magnus Sigel, MD is an Internal Medicine in New York, New York. Graduated from University of North Carolina at Chapel Hill School of Medicine in 2003, 23 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
23
Trained at
University of North Carolina at Chapel Hill 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

1470 Madison Ave
New York, NY 10029-6542
Phone: (212) 659-8551
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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 233672 (NY)

Record details

NPI number1902831431
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 12, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL SCHOOL OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice Icahn School Of Medicine At Mount Sinai — 2791 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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