Katherine S. Stewart, RN, NP
Adult Health Nurse Practitioner · Rochester, NY
Katherine S. Stewart, RN, NP is an adult health nurse practitioner with a practice address in Rochester, New York, and NPI 1649373531, issued on Sep 6, 2006. Check the license (New York 300754, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine S. Stewart
- Credential
- RN, NP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License numbers
- 300754 NY
410787 NY
F300754-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 601 Elmwood Ave, Rochester, NY 14642
- Phone
- (585) 275-7753
- Enumerated
- Sep 6, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (585) 461-0662
- Medicare enrollment
- Enrolled (PECOS I20160815001772); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 6,028 in New York → Look up another NPI →
Also registered at 601 Elmwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine S. Stewart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 300754Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
108 Medicare Part D claims for 31 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 98.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Internal Medicine GroupRochester, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine S. Stewart among 6,028 adult health nurse practitioner records in New York
Katherine S. Stewart, RN, NP is one of 6,028 adult health nurse practitioner records with a practice address in New York. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 87% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated1991 · median 2016 among the 2,678 with a school on file
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
311 adult health nurse practitioner records list a practice address in Rochester
They are 311 of the 20,520 NPPES records with a practice address in Rochester, and 6,028 adult health nurse practitioner records in New York.
All 6,028 in New York → Every provider in Rochester → Adult Health Nurse Practitioner nationwide →
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- Scott HallRochester, NY 146421790795839
- Maureen Kiernan, NPRochester, NY 146421053350314
- Linda McHenry, NPRochester, NY 146421407867781
- Joanne McNamara, N.P.Rochester, NY 146421083623524
Common questions
What is Katherine S. Stewart, RN, NP's NPI number?
Katherine S. Stewart, RN, NP's National Provider Identifier (NPI) is 1649373531, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katherine S. Stewart, RN, NP located?
The NPPES record lists a practice address at 601 Elmwood Ave, Rochester, NY, 14642. Phone: (585) 275-7753. Providers update this record themselves, so call before visiting.
How can I verify Katherine S. Stewart, RN, NP's license?
NPPES lists New York license number 300754, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine S. Stewart, RN, NP prescribe under Medicare Part D?
In 2024, Katherine S. Stewart, RN, NP had 108 Medicare Part D claims for 31 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
What is Katherine S. Stewart, RN, NP's MIPS final score?
The 2023 MIPS final score is 98.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.