Mark Hamer, M.D.
NPI 1235107152 · Clinical Cardiac Electrophysiology Physician · Rochester, NY
Enrolled with Medicare as Practitioner - Cardiac Electrophysiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Hamer, M.D. is a Clinical Cardiac Electrophysiology Physician provider in Rochester, NY (NPI 1235107152).
Provider details
- NPI number
- 1235107152
- Entity type
- Individual
- Primary specialty
- Clinical Cardiac Electrophysiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 171572 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,056 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 326 | $29 |
| Evaluation of Single, Dual, Or Multiple Lead Implantable Defibrillator System, Remote Up to 90 Days93295 | 157 | $36 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 131 | $94 |
| Evaluation of Cardiac Rhythm Monitor System, Remote Up to 30 Days93298 | 113 | $99 |
| Programming of Dual Lead Pacemaker System93280 | 58 | $36 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 50 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 133 | 49 |
| Apixabanbrand: Eliquis | 130 | 47 |
| Atorvastatin Calcium | 104 | 36 |
| Losartan Potassium | 70 | 26 |
| Amlodipine Besylate | 68 | 24 |
| Warfarin Sodium | 65 | 25 |
| Torsemide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$111 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-08
- Last updated
- 2023-05-15
Frequently asked questions
- What is Mark Hamer's NPI number?
- Mark Hamer's National Provider Identifier (NPI) is 1235107152, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Hamer's specialty?
- Mark Hamer is listed in the NPPES registry with a primary specialty of Clinical Cardiac Electrophysiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Hamer located?
- Mark Hamer's practice location on file with NPPES is 140 Canal View Blvd, Rochester, NY 14623-2808.
- What is Mark Hamer's phone number?
- The practice phone number listed in the NPPES registry for Mark Hamer is (585) 338-2700.
- Does Mark Hamer accept Medicare?
- Mark Hamer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Hamer's NPI active?
- Yes — Mark Hamer's NPI (1235107152) is active in the NPPES registry as of the last update on 2023-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.