Tanya Amber Marcus, PAC
NPI 1659784130ActiveIndividual· Physician Assistant· El Cajon, CA
Physician Assistant (PAC) with Brian H Weeks MD Inc, practicing in El Cajon, California. Their prescriptions cost Medicare Part D more than their services did: $857,476 for 5,269 claims, against $42,214 paid for services in 2024. Stryker Corporation was the largest of 2 companies reporting payments in 2025, $51.63 in all, mostly food and beverage.
Overview
| NPI | 1659784130 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PAC |
| Sole proprietor | Yes |
| NPI issued | Jun 3, 2014 |
| Last updated in NPPES | Apr 28, 2022 |
| Certified by provider | Apr 28, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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 - Physician Assistant (CA); Practitioner - Physician Assistant (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 132 |
|---|---|
| Services billed | 393 across 15 procedure codes |
| Paid by Medicare | $42,214 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,269 · 5,516 30-day fills |
|---|---|
| Patients | 340 |
| Total drug cost | $857,476 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Brian H Weeks MD IncSan Diego, CA · 4 clinicians
Industry payments (Open Payments)
- 2025$51.63 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $27.15 | 1 |
| Optinose US, Inc. | $24.48 | 1 |
What the 2025 payments were for
- Food and Beverage$51.63 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other physician assistants in El Cajon
- 1053982165
- 1144733544
- 1275543068
- 1437834934
- 1629457403
- 1003515131
- 1104836659
- 1689209900
- 1225680572
- 1437768017
- 1467216788
- 1699201616
All 36 physician assistants in El Cajon · All physician assistants in California