Michael James Hartnett, MD
Internal Medicine Physician · Syracuse, NY
Michael James Hartnett, MD is an internal medicine physician with a practice address in Syracuse, New York, and NPI 1235716309, issued on Mar 25, 2021. Check the license (New York 339198-01, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Michael James Hartnett
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 339198-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 750 East Adams St, Syracuse, NY 13210
- Phone
- (315) 464-5450
- Enumerated
- Mar 25, 2021
- Record last updated
- Dec 4, 2025
- Fax
- (315) 464-6322
- Medicare enrollment
- Enrolled (PECOS I20250908003627); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 750 East Adams St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael James Hartnett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 339198-01Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
336 Medicare Part D claims for 68 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium60 claims
- Gabapentin23 claims
- Levothyroxine Sodium20 claims
- Pantoprazole Sodium20 claims
- Omeprazole18 claims
- Lisinopril15 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
- St Josephs Medical PCSyracuse, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael James Hartnett among 12,067 internal medicine physician records in New York
Michael James Hartnett, MD 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 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2021 · 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).
165 internal medicine physician records list a practice address in Syracuse
They are 165 of the 9,922 NPPES records with a practice address in Syracuse, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Syracuse → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Blanchfield, MDSyracuse, NY 132101538163944
- Carl Butch, MDSyracuse, NY 132101659376028
- Barbara Clayton, MDSyracuse, NY 132101588669964
- Paul Cohen, MDSyracuse, NY 132101962490656
- Erik Daly, MDSyracuse, NY 132101366447716
- David Dube, MDSyracuse, NY 132101114909884
- Ray Forbes, MDSyracuse, NY 132101548264955
- Paul Kronenberg, M.D.Syracuse, NY 132101336143783
Common questions
What is Michael James Hartnett, MD's NPI number?
Michael James Hartnett, MD's National Provider Identifier (NPI) is 1235716309, issued on Mar 25, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Michael James Hartnett, MD located?
The NPPES record lists a practice address at 750 East Adams St, Syracuse, NY, 13210. Phone: (315) 464-5450. Providers update this record themselves, so call before visiting.
How can I verify Michael James Hartnett, MD's license?
NPPES lists New York license number 339198-01, 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 Michael James Hartnett, MD prescribe under Medicare Part D?
In 2024, Michael James Hartnett, MD had 336 Medicare Part D claims for 68 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.