Marissa Robin Jennings, PA-C
NPI 1245979095ActiveIndividual· Physician Assistant, Medical· Los Angeles, CA
Physician Assistant, Medical (PA-C) with St. John's Community Health, practicing in Los Angeles, California. Their prescriptions cost Medicare Part D more than their services did: $25,529 for 170 claims, against $1,128 paid for services in 2024. Exact Sciences Corporation reported $25.79 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1245979095 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | May 31, 2022 |
| Last updated in NPPES | Jun 21, 2023 |
| Certified by provider | Jun 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 62675 | CA |
| Physician Assistant, Medical | 363AM0700X | 4517 | SC |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 12 |
|---|---|
| Services billed | 19 across 8 procedure codes |
| Paid by Medicare | $1,128 |
Part D prescriptions in 2024
| Prescriptions (claims) | 170 · 339 30-day fills |
|---|---|
| Patients | 37 |
| Total drug cost | $25,529 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- St. John's Community HealthSan Jacinto, CA · 158 clinicians
Industry payments (Open Payments)
- 2025$25.79 · 1 payment from 1 company
- 2024$34.26 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $25.79 | 1 |
What the 2025 payments were for
- Food and Beverage$25.79 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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