Gregory S. Keller, M.D.
NPI 1699961474ActiveIndividual· Plastic Surgery· Santa Barbara, CA
Opted out of Medicare from January 2016 to January 2028. Plastic Surgery (M.D.) in Santa Barbara, California, licensed in CA, with an NPI issued in September 2007. Part D covered 136 prescriptions written in 2024, 96% of them generic. Axogen was the largest of 3 companies reporting payments in 2025, $271.02 in all, mostly food and beverage.
Overview
| NPI | 1699961474 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 14, 2007 |
| Last updated in NPPES | Oct 27, 2022 |
| Certified by provider | Oct 27, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Plastic Surgery Primary | 208200000X | G22919 | CA |
| Surgery, Plastic and Reconstructive Surgery | 2086S0122X | 22919 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Jan 1, 2016 – Jan 1, 2028 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 136 · 156 30-day fills |
|---|---|
| Patients | 32 |
| Total drug cost | $1,993 |
| Generic share | 96% of claims |
Industry payments (Open Payments)
- 2025$271.02 · 5 payments from 3 companies
- 2024$159.82 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Axogen | $138.70 | 2 |
| Stryker Corporation | $75.61 | 2 |
| Revance Therapeutics, Inc. | $56.71 | 1 |
What the 2025 payments were for
- Food and Beverage$271.02 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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