NPPES file of Aug 9, 2026

Stuart Mackay, DO

Internal Medicine Physician · Rochester, NY

Stuart Mackay, DO is an internal medicine physician with a practice address in Rochester, New York, and NPI 1780213884, issued on Apr 2, 2020. Check the license (New York 08001576, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780213884
Name
Stuart Mackay
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
08001576 NY
Self-reported in NPPES; status is on the state search
Practice location
259 Monroe Ave Ste 100, Rochester, NY 14607
Phone
(585) 545-7200
Enumerated
Apr 2, 2020
Record last updated
Jun 20, 2025
Medicare enrollment
Enrolled (PECOS I20260112000387); accepts Medicare assignment
Medical or professional school
Lake Erie College Of Osteopathic Medicine, Erie, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 259 Monroe Ave Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alexandra Danforth, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1104232123

Verify Stuart Mackay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 08001576
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

93% fewer Medicare Part D claims than the average internal medicine physician in 2024

226 Medicare Part D claims for 92 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 11 claims were for opioids.

  1. Stuart Mackay226
  2. Specialty average3,176

Most prescribed

  1. Buprenorphine-Naloxone22 claims
  2. Suboxone16 claims
  3. Atorvastatin Calcium15 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.

Bills Medicare through one group practice

  1. Trillium Health IncRochester, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Stuart Mackay among 12,067 internal medicine physician records in New York

Stuart Mackay, DO is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 87% of them.

  • NPI issued2020 · 87% of these records are older, 9% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2020 · median 2002 among the 7,221 with a school on file
  • Record last updated2025 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

504 internal medicine physician records list a practice address in Rochester

They are 504 of the 20,520 NPPES records with a practice address in Rochester, and 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nancy Bennett, MDRochester, NY 146071861747834
  2. Carl Cameron, M.D.Rochester, NY 146071669550828
  3. Cecile Carson, CECILE CARSON, MDRochester, NY 146071568663656
  4. Stephen Cohen, M.D.Rochester, NY 146071679500458
  5. Maureen Dlugozima, M.D.Rochester, NY 146071902865736
  6. Sandra Eckhert, MDRochester, NY 146071235296534
  7. Gary Glazer, MDRochester, NY 146071619991338
  8. Charles Ippolito, M.D.Rochester, NY 146071104886381

Common questions

What is Stuart Mackay, DO's NPI number?

Stuart Mackay, DO's National Provider Identifier (NPI) is 1780213884, issued on Apr 2, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Stuart Mackay, DO located?

The NPPES record lists a practice address at 259 Monroe Ave Ste 100, Rochester, NY, 14607. Phone: (585) 545-7200. Providers update this record themselves, so call before visiting.

How can I verify Stuart Mackay, DO's license?

NPPES lists New York license number 08001576, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Stuart Mackay, DO prescribe under Medicare Part D?

In 2024, Stuart Mackay, DO had 226 Medicare Part D claims for 92 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.