Mark L. Blitzer, M.D.
NPI 1164428207ActiveIndividual· Internal Medicine, Cardiovascular Disease· New Haven, CT
Internal Medicine, Cardiovascular Disease (M.D.) in New Haven, Connecticut, trained at Harvard Medical School (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $709,739 for 2,026 claims, against $170,787 paid for services in 2024. Boston Scientific Corporation reported $156.25 in payments in 2025, mostly consulting fees.
Overview
| NPI | 1164428207 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 23, 2005 |
| Last updated in NPPES | Jul 2, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 037730 | CT |
| Specialist | 174400000X | 037730 | CT |
| Specialist | 174400000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,482 |
|---|---|
| Services billed | 4,413 across 59 procedure codes |
| Paid by Medicare | $170,787 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,026 · 5,419 30-day fills |
|---|---|
| Patients | 486 |
| Total drug cost | $709,739 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- Yale UniversityNew Haven, CT · 2,645 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Griffin HospitalDerby, CT
- Lawrence & Memorial HospitalNew London, CT
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$156.25 · 1 payment from 1 company
- 2024$3,647 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $156.25 | 1 |
What the 2025 payments were for
- Consulting Fee$156.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other cardiologists in New Haven
- 1033119524
- 1104955699
- 1184966285
- 1205800273
- 1235111857
- 1255415121
- 1265414395
- 1275829467
- 1295048502
- 1366888778
- 1376805622
- 1386827491
All 102 cardiologists in New Haven · All cardiologists in Connecticut