Linda L. Lewallen, MD
NPI 1437224201ActiveIndividual· Internal Medicine· Methuen, MA
Internal Medicine (MD) with St. Joseph's Hospital and Health Center and 1 other group, practicing in Methuen, Massachusetts. 111 Medicare patients in 2024, $13,363 paid; nearly all of their 53 Part D prescriptions were generic (96%). Lists Chi St Alexius Health Dickinson and 1 other hospital as hospital affiliations.
Overview
| NPI | 1437224201 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 21, 2006 |
| Last updated in NPPES | Apr 9, 2026 |
| Certified by provider | Apr 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 042.0040021 | VT |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | MD442591 | PA |
| Hospitalist | 208M00000X | PHY101196 | MA |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | ME71869 | FL |
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 (GA); Practitioner - Internal Medicine (MA); Practitioner - Internal Medicine (NC); Practitioner - Internal Medicine (ND); Practitioner - Internal Medicine (SC); Practitioner - Internal Medicine (VT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 111 |
|---|---|
| Services billed | 187 across 10 procedure codes |
| Paid by Medicare | $13,363 |
Part D prescriptions in 2024
| Prescriptions (claims) | 53 · 60 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $3,051 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- St. Joseph's Hospital and Health CenterDickinson, ND · 157 clinicians
- Springfield Hospital Inc.Springfield, VT · 55 clinicians
Hospital affiliations
- Chi St Alexius Health DickinsonDickinson, ND
- Springfield HospitalSpringfield, VT
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 21 internal medicine physicians in Methuen · All internal medicine physicians in Massachusetts