John Barry Siebenlist, M.D.
NPI 1164476909ActiveIndividual· Dermatology, Procedural Dermatology· San Luis Obispo, CA
Dermatology, Procedural Dermatology (M.D.) with J Robert West MD Inc, practicing in San Luis Obispo, California. 1,146 Medicare patients in 2024, $1,001,452 paid; nearly all of their 730 Part D prescriptions were generic (94%). Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $1,198 in all, mostly food and beverage. Lists French Hospital Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1164476909 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 19, 2006 |
| Last updated in NPPES | Mar 16, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology, Procedural Dermatology Primary | 207NS0135X | A61826 | CA |
| Dermatology, MOHS-Micrographic Surgery | 207ND0101X | A61826 | CA |
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 - Dermatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,146 |
|---|---|
| Services billed | 5,920 across 101 procedure codes |
| Paid by Medicare | $1,001,452 |
Part D prescriptions in 2024
| Prescriptions (claims) | 730 · 791 30-day fills |
|---|---|
| Patients | 409 |
| Total drug cost | $265,565 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Dermatology |
Medical group
- J Robert West MD IncLas Vegas, NV · 138 clinicians
Hospital affiliations
- French Hospital Medical CenterSan Luis Obispo, CA
- Marian Regional Medical CenterSanta Maria, CA
Industry payments (Open Payments)
- 2025$1,198 · 49 payments from 16 companies
- 2024$1,226 · 51 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $207.38 | 11 |
| Galderma Laboratories, L.P. | $182.15 | 3 |
| Janssen Biotech, Inc. | $167.77 | 9 |
| Regeneron Healthcare Solutions, Inc. | $138.79 | 6 |
| Lilly USA, LLC | $70.71 | 3 |
What the 2025 payments were for
- Food and Beverage$1,198 · 49 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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