Margaret B. Allison, MD,PHD
NPI 1114447398ActiveIndividual· Internal Medicine, Critical Care Medicine· Boston, MA
Internal Medicine, Critical Care Medicine (MD,PHD) in Boston, Massachusetts, trained at University of Michigan Medical School (class of 2017). Mostly services rather than prescriptions: Medicare paid $9,478 for 30 patients in 2024, with only 15 Part D claims.
Overview
| NPI | 1114447398 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD,PHD |
| Sole proprietor | No |
| NPI issued | Jun 20, 2017 |
| Last updated in NPPES | Apr 10, 2023 |
| Certified by provider | Apr 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | 271186 | MA |
| Internal Medicine | 207R00000X | 271186 | MA |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 271186 | 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 - Critical Care (Intensivists) (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 30 |
|---|---|
| Services billed | 83 across 10 procedure codes |
| Paid by Medicare | $9,478 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15 · 36 30-day fills |
|---|---|
| Total drug cost | $12,167 |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Critical Care (Intensivists) |
Medical groups
- Massachusetts General Physicians Organization IncBoston, MA · 3,558 clinicians
- Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr IncBoston, MA · 1,740 clinicians
- The General Hospital CorporationBoston, MA · 1,267 clinicians
Hospital affiliations
- Beth Israel Deaconess Medical CenterBoston, MA
- Massachusetts General HospitalBoston, MA
- Newton-Wellesley HospitalNewton, MA
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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