Melissa L. Lambertson, M.D.
NPI 1275698318ActiveIndividual· Internal Medicine· Everett, WA
Internal Medicine (M.D.) in Everett, Washington, trained at University of Maryland School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $168,143 for 4,091 claims, against $5,010 paid for services in 2024.
Overview
| NPI | 1275698318 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 27, 2006 |
| Last updated in NPPES | Apr 26, 2021 |
| Certified by provider | Apr 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD00033097 | WA |
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 (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 18 |
|---|---|
| Services billed | 68 across 23 procedure codes |
| Paid by Medicare | $5,010 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,091 · 9,919 30-day fills |
|---|---|
| Patients | 366 |
| Total drug cost | $168,143 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Internal Medicine |
Medical group
- Kaiser Foundation Health Plan of WashingtonBellevue, WA · 1,526 clinicians
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 177 internal medicine physicians in Everett · All internal medicine physicians in Washington