Natalie R. Marks, PA-C
NPI 1023137163ActiveIndividual· Physician Assistant, Surgical· Santa Rosa, CA
Physician Assistant, Surgical (PA-C) with Redwood Orthopaedic Surgery Associates Amc, practicing in Santa Rosa, California. 278 Medicare patients in 2024, $57,257 paid; nearly all of their 374 Part D prescriptions were generic (97%). Smith+nephew, Inc. was the largest of 3 companies reporting payments in 2025, $153.34 in all, mostly food and beverage.
Overview
| NPI | 1023137163 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Mar 28, 2007 |
| Last updated in NPPES | Jul 21, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | PA16126 | 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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 278 |
|---|---|
| Services billed | 2,458 across 25 procedure codes |
| Paid by Medicare | $57,257 |
Part D prescriptions in 2024
| Prescriptions (claims) | 374 · 410 30-day fills |
|---|---|
| Patients | 166 |
| Total drug cost | $11,659 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Redwood Orthopaedic Surgery Associates AmcSanta Rosa, CA · 12 clinicians
Industry payments (Open Payments)
- 2025$153.34 · 3 payments from 3 companies
- 2024$43.87 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Smith+nephew, Inc. | $102.54 | 1 |
| Stryker Corporation | $31.77 | 1 |
| Ermi LLC | $19.03 | 1 |
What the 2025 payments were for
- Food and Beverage$153.34 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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