Stephen Andrew Gannon, M.D.
NPI 1881960037ActiveIndividual· Internal Medicine, Cardiovascular Disease· Cambridge, MA
Internal Medicine, Cardiovascular Disease (M.D.) in Cambridge, Massachusetts, trained at University of Connecticut School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $305,905 for 1,980 claims, against $169,557 paid for services in 2024. Boston Scientific Corporation was the largest of 4 companies reporting payments in 2025, $540.00 in all, mostly food and beverage.
Overview
| NPI | 1881960037 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 31, 2012 |
| Last updated in NPPES | May 18, 2022 |
| Certified by provider | May 18, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 274883 | MA |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | MD15347 | RI |
| Internal Medicine | 207R00000X | MD15347 | RI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (MA); Practitioner - Cardiovascular Disease (Cardiology) (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 892 |
|---|---|
| Services billed | 2,065 across 51 procedure codes |
| Paid by Medicare | $169,557 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,980 · 4,702 30-day fills |
|---|---|
| Patients | 339 |
| Total drug cost | $305,905 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Connecticut School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical groups
- Mount Auburn Cardiology Associates IncCambridge, MA · 11 clinicians
- Macro, Inc.Cambridge, MA · 10 clinicians
Hospital affiliations
- Cambridge Health AllianceCambridge, MA
- Mount Auburn HospitalCambridge, MA
- Winchester HospitalWinchester, MA
Industry payments (Open Payments)
- 2025$540.00 · 7 payments from 4 companies
- 2024$441.66 · 16 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $268.30 | 3 |
| Abbott Laboratories | $138.32 | 1 |
| Medtronic, Inc. | $94.47 | 1 |
| Novartis Pharmaceuticals Corporation | $38.91 | 2 |
What the 2025 payments were for
- Food and Beverage$540.00 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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