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

Diana Williamson, MD

Individual provider Internal Medicine Physician · NPI 1437318805

Diana Williamson, MD is an Internal Medicine Physician in New York, New York. Licensed in New York. Registered with an NPI since 2008.

Licensed in
NY
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

154 W 127th St
New York, NY 10027-3722
Phone: (212) 749-3507
Fax: (212) 666-1679
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 167726-1 (NY)

Record details

NPI number1437318805
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 2, 2008
Last updated in NPPESJune 2, 2008

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