Mary Ellen Prinzing, P.A.
Physician Assistant · Rochester, NY
Mary Ellen Prinzing, P.A. is a physician assistant with a practice address in Rochester, New York, and NPI 1306958046, issued on Aug 31, 2006. Check the license (New York 010916, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Ellen Prinzing
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 010916 NY
10916 NY
Self-reported in NPPES; status is on the state search - Practice location
- 601 Elmwood Ave, Rochester, NY 14642
- Phone
- (585) 273-1636
- Enumerated
- Aug 31, 2006
- Record last updated
- Jul 5, 2023
- Fax
- (585) 276-2212
- Medicare enrollment
- Enrolled (PECOS I20060220000376); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 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 Mary Ellen Prinzing 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 010916Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average physician assistant in 2024
230 Medicare Part D claims for 82 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium12 claims
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).
Mary Ellen Prinzing among 15,555 physician assistant records in New York
Mary Ellen Prinzing, P.A. is one of 15,555 physician assistant records with a practice address in New York. 74% 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 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2005 · median 2018 among the 8,158 with a school on file
- Record last updated2023 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
630 physician assistant records list a practice address in Rochester
They are 630 of the 20,520 NPPES records with a practice address in Rochester, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in Rochester → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Mary Andolsek, NPRochester, NY 146421235166232
- Britta Baughman, RPA-C, MPASRochester, NY 146421598791329
- Timothy Chilelli, P.A.Rochester, NY 146421356369557
- Stephen D'Ambrosio, MPAS, PA-CRochester, NY 146421245260835
- Kimberly Fitch, RPA-CRochester, NY 146421063458347
- Christopher George, RPA-CRochester, NY 146421386670255
- Kim Ingraham, RPA-CRochester, NY 146421245267368
- Claire Lynch, RPA-CRochester, NY 146421780602029
Common questions
What is Mary Ellen Prinzing, P.A.'s NPI number?
Mary Ellen Prinzing, P.A.'s National Provider Identifier (NPI) is 1306958046, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ellen Prinzing, P.A. located?
The NPPES record lists a practice address at 601 Elmwood Ave, Rochester, NY, 14642. Phone: (585) 273-1636. Providers update this record themselves, so call before visiting.
How can I verify Mary Ellen Prinzing, P.A.'s license?
NPPES lists New York license number 010916, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Ellen Prinzing, P.A. prescribe under Medicare Part D?
In 2024, Mary Ellen Prinzing, P.A. had 230 Medicare Part D claims for 82 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Mary Ellen Prinzing, P.A.'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.