William Stephen Maher, M.D.
NPI 1194835637ActiveIndividual· Internal Medicine· Newton Lower Falls, MA
Internal Medicine (M.D.) in Newton Lower Falls, Massachusetts, trained at Georgetown University School of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $578,221 for 6,023 claims, against $136,086 paid for services in 2024. Alkermes, Inc. reported $17.99 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1194835637 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | May 14, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 78946 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 455 |
|---|---|
| Services billed | 1,811 across 34 procedure codes |
| Paid by Medicare | $136,086 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,023 · 14,257 30-day fills |
|---|---|
| Patients | 653 |
| Total drug cost | $578,221 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Mass General Brigham Medical Group Suburban Massachusetts IncPembroke, MA · 602 clinicians
Hospital affiliations
- Brigham and Women Faulkner HospitalJamaica Plain, MA
- Brigham and Women's HospitalBoston, MA
- Massachusetts General HospitalBoston, MA
- Milford Regional Medical CenterMilford, MA
- Newton-Wellesley HospitalNewton, MA
Other facilities
- Bayada Home Health Care, IncHome health agency · Canton, MA
- CaretendersHome health agency · Needham Heights, MA
- Mass General Brigham Home Care, IncHome health agency · Newton, MA
- Pathways HealthcareHome health agency · Westwood, MA
- Vna Care NetworkHome health agency · Worcester, MA
- Good Shepherd Community CareHospice · Newton, MA
- Spaulding Rehabilitation HospitalInpatient rehabilitation facility · Charlestown, MA
Industry payments (Open Payments)
- 2025$17.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alkermes, Inc. | $17.99 | 1 |
What the 2025 payments were for
- Food and Beverage$17.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 18 internal medicine physicians in Newton Lower Falls · All internal medicine physicians in Massachusetts