Colin Patrick O'Leary, MD
NPI 1588153456ActiveIndividual· Internal Medicine· Boston, MA
Internal Medicine (MD) in Boston, Massachusetts, trained at Duke University School of Medicine (class of 2018). Mostly services rather than prescriptions: Medicare paid $24,340 for 142 patients in 2024, with only 21 Part D claims.
Overview
| NPI | 1588153456 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 7, 2018 |
| Last updated in NPPES | Jun 17, 2022 |
| Certified by provider | Jun 17, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 291509 | MA |
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 - Internal Medicine (MA); Practitioner - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 142 |
|---|---|
| Services billed | 219 across 13 procedure codes |
| Paid by Medicare | $24,340 |
Part D prescriptions in 2024
| Prescriptions (claims) | 21 · 23 30-day fills |
|---|---|
| Total drug cost | $521.72 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Internal Medicine |
Medical groups
- Alaska Native Tribal Health ConsortiumAnchorage, AK · 607 clinicians
- Maniilaq AssociationKotzebue, AK · 36 clinicians
Hospital affiliations
- Aspen Valley Hospital DistrictAspen, CO
- Maniilaq Health CenterKotzebue, AK
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 2,375 internal medicine physicians in Boston · All internal medicine physicians in Massachusetts