Megan Bradley Callahan, M.D.
NPI 1881662864ActiveIndividual· Internal Medicine· Everett, MA
Internal Medicine (M.D.) with Cambridge Public Health Commission and 2 other groups, practicing in Everett, Massachusetts. In 2024 Medicare paid $60,603 for 364 patients, and Part D covered 522 of their prescriptions, 81% of them generic. Lundbeck LLC was the largest of 3 companies reporting payments in 2025, $261.62 in all, mostly food and beverage. Lists Brigham and Women Faulkner Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1881662864 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 8, 2006 |
| Last updated in NPPES | Jan 16, 2023 |
| Certified by provider | Jan 16, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 229848 | 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 (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 364 |
|---|---|
| Services billed | 655 across 18 procedure codes |
| Paid by Medicare | $60,603 |
Part D prescriptions in 2024
| Prescriptions (claims) | 522 · 549 30-day fills |
|---|---|
| Patients | 75 |
| Total drug cost | $47,583 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Cambridge Public Health CommissionEverett, MA · 656 clinicians
- Mass General Brigham Medical Group, Inc.Salem, NH · 139 clinicians
- Charter Ltc LLCSalem, MA · 20 clinicians
Hospital affiliations
- Brigham and Women Faulkner HospitalJamaica Plain, MA
- Brigham and Women's HospitalBoston, MA
- Massachusetts General HospitalBoston, MA
- Newton-Wellesley HospitalNewton, MA
Other facilities
- Care Dimensions, IncHospice · Danvers, MA
- Elizabeth SetonNursing home · Wellesley, MA
Industry payments (Open Payments)
- 2025$261.62 · 13 payments from 3 companies
- 2024$502.05 · 22 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lundbeck LLC | $214.73 | 11 |
| Neurelis, Inc. | $24.26 | 1 |
| Emd Serono, Inc. | $22.63 | 1 |
What the 2025 payments were for
- Food and Beverage$261.62 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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