Ryan Joseph Lamm, M.D.
NPI 1891228482ActiveIndividual· Surgery, Surgical Oncology· Duarte, CA
Surgery, Surgical Oncology (M.D.) in Duarte, California, licensed in CA, with an NPI issued in April 2017. Part D covered 25 prescriptions written in 2024, 88% of them generic. Ethicon Inc. was the largest of 2 companies reporting payments in 2025, $8,965 in all, mostly consulting fees.
Overview
| NPI | 1891228482 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 10, 2017 |
| Last updated in NPPES | Jul 28, 2025 |
| Certified by provider | Jul 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Surgical Oncology Primary | 2086X0206X | A193350 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Order and Referring Only - General Surgery (PA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 25 · 34 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $3,040 |
| Generic share | 88% of claims |
Industry payments (Open Payments)
- 2025$8,965 · 5 payments from 2 companies
- 2024$38.85 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ethicon Inc. | $7,020 | 1 |
| Medical Device Business Services, Inc. | $1,945 | 4 |
What the 2025 payments were for
- Consulting Fee$7,020 · 1 payment
- Travel and Lodging$1,924 · 3 payments
- Food and Beverage$20.73 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery, Surgical Oncology providers in Duarte
- 1487866216
- 1710133889
- 1609934942
- 1255869962
- 1770966178
- 1124066824
- 1457814808
- 1346231735
- 1750326948
- 1134749914
- 1760613574
- 1356684997