Mark E. Hamer, M.D.
Clinical Cardiac Electrophysiology Physician · Rochester, NY
Mark E. Hamer, M.D. is a clinical cardiac electrophysiology physician with a practice address in Rochester, New York, and NPI 1235107152, issued on Mar 8, 2006. Check the license (New York 171572, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mark E. Hamer
- Credential
- M.D.
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License number
- 171572 NY
Self-reported in NPPES; status is on the state search - Practice location
- 140 Canal View Blvd, Rochester, NY 14623
- Phone
- (585) 338-2700
- Enumerated
- Mar 8, 2006
- Record last updated
- May 15, 2023
- Fax
- (585) 242-9663
- Medicaid ID
- 02066071 NY
- Medicare enrollment
- Enrolled (PECOS I20040728001579); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1986
- Entity
- Type 1 · individual
8 nearest clinical cardiac electrophysiology physician records → All 214 in New York → Look up another NPI →
Also registered at 140 Canal View Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eduardo Arazoza, MDCardiovascular Disease Physician1518937671
- Elizabeth Butterer, FNPFamily Nurse Practitioner1336452267
- Thomas Curran, MDCardiovascular Disease Physician1396711669
- Arica Ferguson, PAPhysician Assistant1366893596
- Nicole Holdsworth, NPAdult Health Nurse Practitioner1073005997
- Seth Jacobson, M.D.Cardiovascular Disease Physician1114994381
Verify Mark E. Hamer 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 171572Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024
1,381 Medicare Part D claims for 312 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Metoprolol Succinate133 claims
- Eliquis130 claims
- Atorvastatin Calcium104 claims
- Losartan Potassium70 claims
- Amlodipine Besylate68 claims
- Warfarin Sodium65 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): 90.2 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).
Industry payments in 2024: $111.24
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 3,167 providers of this specialty with any payment received $10,651.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- St James HospitalHornell, NY · Acute Care Hospitals3 of 5 stars
- Cardiology Clinical GroupRochester, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Mark E. Hamer among 214 clinical cardiac electrophysiology physician records in New York
Mark E. Hamer, M.D. is one of 214 clinical cardiac electrophysiology physician records with a practice address in New York. 97% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 60% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 91% of these records are
- Graduated1986 · median 2002 among the 194 with a school on file
- Record last updated2023 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Cardiac Electrophysiology Physician providers in New York
There are 214 clinical cardiac electrophysiology physician records in New York.
All 214 in New York → Every provider in Rochester → Clinical Cardiac Electrophysiology Physician nationwide →
The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes
- Parag Patel, M.D.Rochester, NY 146231376757559
- Dmitry Chuprun, M.D.Rochester, NY 146211568656544
- Roshan Karki, MDRochester, NY 146211104057165
- Mohan Rao, M. D.Rochester, NY 146211942239462
- Abrar Shah, MDRochester, NY 146181598717324
- Casey White, MDRochester, NY 146181841677333
- Mehmet Aktas, MDRochester, NY 146421689680498
- Burr Hall, MDRochester, NY 146421881636686
Common questions
What is Mark E. Hamer, M.D.'s NPI number?
Mark E. Hamer, M.D.'s National Provider Identifier (NPI) is 1235107152, issued on Mar 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark E. Hamer, M.D. located?
The NPPES record lists a practice address at 140 Canal View Blvd, Rochester, NY, 14623. Phone: (585) 338-2700. Providers update this record themselves, so call before visiting.
How can I verify Mark E. Hamer, M.D.'s license?
NPPES lists New York license number 171572, 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 Mark E. Hamer, M.D. prescribe under Medicare Part D?
In 2024, Mark E. Hamer, M.D. had 1,381 Medicare Part D claims for 312 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. Part D covers Medicare prescriptions only.
What is Mark E. Hamer, M.D.'s MIPS final score?
The 2023 MIPS final score is 90.2 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.