Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Katherine Mackenzie Williams, PA-C

Individual provider Physician Assistant · NPI 1578272134

Katherine Mackenzie Williams, PA-C is a Physician Assistant in New York, New York. Graduated from Mercy College in 2022, 4 years ago. Licensed in New York.

Years since qualifying
4
Trained at
Mercy College
Licensed in
NY
In the registry since
2022
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

1790 Broadway Ste 1802
New York, NY 10019-1471
Phone: (888) 663-6331
Fax: (415) 252-7176
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 029102 (NY)

Record details

NPI number1578272134
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedNovember 22, 2022
Last updated in NPPESSeptember 15, 2025
Certification dateSeptember 15, 2025

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolMERCY COLLEGE
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Not indicated

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