Myfanwy G. Callahan, M.D.
NPI 1538428685ActiveIndividual· Internal Medicine· Medford, MA
Internal Medicine (M.D.) in Medford, Massachusetts, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $953,163 for 9,537 claims, against $72,908 paid for services in 2024. Abbott Laboratories reported $31.61 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1538428685 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 10, 2012 |
| Last updated in NPPES | Jan 7, 2021 |
| Certified by provider | Jan 7, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 263178 | MA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 325 |
|---|---|
| Services billed | 3,417 across 123 procedure codes |
| Paid by Medicare | $72,908 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,537 · 20,044 30-day fills |
|---|---|
| Patients | 780 |
| Total drug cost | $953,163 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Atrius Health IncBraintree, MA · 1,222 clinicians
Hospital affiliations
- Beth Israel Deaconess Medical CenterBoston, MA
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA
- Melrosewakefield HealthcareMelrose, MA
- Mount Auburn HospitalCambridge, MA
- Winchester HospitalWinchester, MA
Other facilities
- All Care Vna-Greater Lynn IncHome health agency · Lynn, MA
- Bayada Home Health Care, IncHome health agency · Wilmington, MA
- Beth Israel Lahey Health at HomeHome health agency · Beverly, MA
- Pathways HealthcareHome health agency · Westwood, MA
- Visiting Nurse and Community CareHome health agency · Arlington, MA
- Beth Israel Lahey Health at HomeHospice · Danvers, MA
- Spaulding Rehabilitation HospitalInpatient rehabilitation facility · Charlestown, MA
Industry payments (Open Payments)
- 2024$31.61 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $31.61 | 1 |
What the 2024 payments were for
- Food and Beverage$31.61 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 54 internal medicine physicians in Medford · All internal medicine physicians in Massachusetts