Cian McCarthy, MD
NPI 1275988750ActiveIndividual· Internal Medicine, Cardiovascular Disease· Boston, MA
Internal Medicine, Cardiovascular Disease (MD) with Massachusetts General Physicians Organization Inc, practicing in Boston, Massachusetts. Medicare paid $9,826 for services to 70 patients in 2024. Alnylam Pharmaceuticals Inc. was the largest of 5 companies reporting payments in 2025, $34,119 in all, mostly consulting fees. Lists Martha's Vineyard Hospital Inc and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1275988750 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 3, 2016 |
| Last updated in NPPES | Mar 21, 2023 |
| Certified by provider | Mar 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 290288 | MA |
| Internal Medicine | 207R00000X | 267184 | MA |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 70 |
|---|---|
| Services billed | 114 across 13 procedure codes |
| Paid by Medicare | $9,826 |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Massachusetts General Physicians Organization IncBoston, MA · 3,558 clinicians
Hospital affiliations
- Martha's Vineyard Hospital IncOak Bluffs, MA
- Massachusetts General HospitalBoston, MA
- Newton-Wellesley HospitalNewton, MA
Industry payments (Open Payments)
- 2025$34,119 · 31 payments from 5 companies
- 2024$3,125 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alnylam Pharmaceuticals Inc. | $11,765 | 10 |
| Roche Diagnostics International Ltd | $8,195 | 2 |
| Azurity Pharmaceuticals, Inc. | $7,755 | 8 |
| Corcept Therapeutics | $4,279 | 5 |
| Heartflow, Inc. | $2,125 | 6 |
What the 2025 payments were for
- Consulting Fee$28,460 · 11 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$3,960 · 1 payment
- Food and Beverage$895.91 · 15 payments
- Travel and Lodging$803.51 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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