Stephen R. Hammes, MD PHD
Endocrinology, Diabetes & Metabolism Physician · Rochester, NY
Stephen R. Hammes, MD PHD is an endocrinology, diabetes & metabolism physician with a practice address in Rochester, New York, and NPI 1942267331, issued on Apr 28, 2006. Check the license (New York 251521, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Stephen R. Hammes
- Credential
- MD PHD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 251521 NY
Self-reported in NPPES; status is on the state search - Practice location
- 601 Elmwood Ave, Rochester, NY 14642
- Phone
- (585) 275-2901
- Enumerated
- Apr 28, 2006
- Record last updated
- Jul 6, 2023
- Fax
- (585) 273-1288
- Medicaid ID
- 105936201 TX
- Medicare enrollment
- Enrolled (PECOS I20090122000002); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
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Verify Stephen R. Hammes 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 251521Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
87 Medicare Part D claims for 33 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium33 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): 85.1 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
- Endocrine Practice GroupRochester, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen R. Hammes among 970 endocrinology, diabetes & metabolism physician records in New York
Stephen R. Hammes, MD PHD is one of 970 endocrinology, diabetes & metabolism physician records with a practice address in New York. 86% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 57% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1992 · median 2004 among the 694 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in New York
There are 970 endocrinology, diabetes & metabolism physician records in New York.
All 970 in New York → Every provider in Rochester → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Marilyn Augustine, MDRochester, NY 146421407960966
- Laura Calvi, M.D.Rochester, NY 146421780633826
- Lindsay Carafone, MDRochester, NY 146421033614912
- Carlos Diaz-Balzac, M.D., PH.D.Rochester, NY 146421982137709
- John Gerich, MDRochester, NY 146421053339051
- Benjamin Gigliotti, M.D.Rochester, NY 146421225327489
- Inga Harbuz-Miller, M.D.Rochester, NY 146421598109894
- Shiara Ortiz-Pujols, MDRochester, NY 146421376719617
Common questions
What is Stephen R. Hammes, MD PHD's NPI number?
Stephen R. Hammes, MD PHD's National Provider Identifier (NPI) is 1942267331, issued on Apr 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen R. Hammes, MD PHD located?
The NPPES record lists a practice address at 601 Elmwood Ave, Rochester, NY, 14642. Phone: (585) 275-2901. Providers update this record themselves, so call before visiting.
How can I verify Stephen R. Hammes, MD PHD's license?
NPPES lists New York license number 251521, 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 Stephen R. Hammes, MD PHD prescribe under Medicare Part D?
In 2024, Stephen R. Hammes, MD PHD had 87 Medicare Part D claims for 33 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Stephen R. Hammes, MD PHD's MIPS final score?
The 2023 MIPS final score is 85.1 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.