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

Katherine S Stewart, RN, NP

Individual provider Adult Health Nurse Practitioner · NPI 1649373531

Katherine S Stewart, RN, NP is a Nurse Practitioner in Rochester, New York. Qualified in 1991, 35 years ago. Practices with Internal Medicine Group, a 166-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
35
Licensed in
NY
In the registry since
2006
Specialties on file
3
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

601 Elmwood Ave Box 675
Rochester, NY 14642-0001
Phone: (585) 275-7753
Fax: (585) 461-0662
Show map & directions

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

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence 300754 (NY)
Registered Nurse Taxonomy 163W00000X · Licence 410787 (NY)
Adult Health Nurse Practitioner Taxonomy 363LA2200X · Licence F300754-1 (NY)

Record details

NPI number1649373531
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , NP
Sole proprietorNo
NPI enumeratedSeptember 6, 2006
Last updated in NPPESSeptember 11, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice Internal Medicine Group — 166 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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