Roger Philip Friedenthal, M.D.
NPI 1164521605ActiveIndividual· Plastic Surgery· Santa Rosa, CA
Plastic Surgery (M.D.) in Santa Rosa, California, trained at Yale University School of Medicine (class of 1962). 58 Medicare patients in 2024, $95,998 paid; nearly all of their 70 Part D prescriptions were generic (94%). Rti Surgical, Inc was the largest of 11 companies reporting payments in 2025, $461.68 in all, mostly food and beverage.
Overview
| NPI | 1164521605 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 21, 2006 |
| Last updated in NPPES | Mar 12, 2024 |
| Certified by provider | Mar 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Plastic Surgery Primary | 208200000X | G9257 | 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 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 - Plastic and Reconstructive Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 58 |
|---|---|
| Services billed | 673 across 19 procedure codes |
| Paid by Medicare | $95,998 |
Part D prescriptions in 2024
| Prescriptions (claims) | 70 · 78 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $2,366 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 1962 |
| Medicare specialty | Plastic And Reconstructive Surgery |
Medical groups
- Csi Medical GroupFullerton, CA · 111 clinicians
- Hyperbaric Consultants Medical Group IncSan Francisco, CA · 5 clinicians
Industry payments (Open Payments)
- 2025$461.68 · 13 payments from 11 companies
- 2024$327.23 · 8 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Rti Surgical, Inc | $165.01 | 1 |
| Smith+nephew, Inc. | $65.87 | 3 |
| Genzyme Corporation | $37.21 | 1 |
| Sun Pharmaceutical Industries Inc. | $31.26 | 1 |
| Solventum Corporation | $28.93 | 1 |
What the 2025 payments were for
- Food and Beverage$461.68 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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