Gregory Albert Lammert, M.D.
NPI 1215279252ActiveIndividual· Surgery· Wenatchee, WA
Surgery (M.D.) in Wenatchee, Washington, trained at Loma Linda University School of Medicine (class of 2013). 213 Medicare patients in 2024, $78,540 paid; nearly all of their 112 Part D prescriptions were generic (99%). Medtronic, Inc. was the largest of 2 companies reporting payments in 2025, $227.76 in all, mostly food and beverage.
Overview
| NPI | 1215279252 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 16, 2013 |
| Last updated in NPPES | Jul 2, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | MD60753225 | WA |
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 - General Surgery (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 213 |
|---|---|
| Services billed | 406 across 78 procedure codes |
| Paid by Medicare | $78,540 |
Part D prescriptions in 2024
| Prescriptions (claims) | 112 · 112 30-day fills |
|---|---|
| Patients | 78 |
| Total drug cost | $445.63 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | General Surgery |
| Telehealth | Offers telehealth |
Medical group
- Central Washington Health Services AssociationWenatchee, WA · 721 clinicians
Hospital affiliation
- Confluence Health HospitalWenatchee, WA
Industry payments (Open Payments)
- 2025$227.76 · 3 payments from 2 companies
- 2024$2,464 · 5 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $208.26 | 2 |
| Solventum Corporation | $19.50 | 1 |
What the 2025 payments were for
- Food and Beverage$227.76 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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