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

Katrina Alison Armstrong, MD

Individual provider Internal Medicine Physician · NPI 1275563330

Katrina Alison Armstrong, MD is an Internal Medicine in New York, New York. Qualified in 1991, 35 years ago. Practices with Trustees of Columbia University in the City of New York, a 2,250-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York and Pennsylvania.

Years since qualifying
35
Licensed in
NY, PA
In the registry since
2006
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

177 Fort Washington Ave
New York, NY 10032-3733
Phone: (212) 305-5138
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 73 High St, Charlestown, MA 02129-3026 — (617) 724-8135

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 315341 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD058383L (PA)

Record details

NPI number1275563330
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 4, 2006
Last updated in NPPESNovember 29, 2022
Certification dateNovember 29, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice Trustees Of Columbia University In The City Of New York — 2250 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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