Marisa Tingfeng Liang, PA-C
NPI 1154712933ActiveIndividual· Physician Assistant· Gilroy, CA
Physician Assistant (PA-C) with Sutter Valley Medical Foundation, practicing in Gilroy, California. Their prescriptions cost Medicare Part D more than their services did: $1,155,290 for 2,449 claims, against $262,988 paid for services in 2024. Ascendis Pharma Endocrinology Inc was the largest of 10 companies reporting payments in 2025, $969.39 in all, mostly food and beverage. Lists Memorial Medical Center as a hospital affiliation.
Overview
| NPI | 1154712933 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Feb 14, 2015 |
| Last updated in NPPES | Mar 24, 2022 |
| Certified by provider | Mar 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA186341 | OR |
| Physician Assistant | 363A00000X | 52295 | CA |
| Physician Assistant | 363A00000X | PA61234461 | WA |
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 (OR); Practitioner - Physician Assistant (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 607 |
|---|---|
| Services billed | 14,838 across 16 procedure codes |
| Paid by Medicare | $262,988 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,449 · 5,597 30-day fills |
|---|---|
| Patients | 667 |
| Total drug cost | $1,155,290 |
| Generic share | 47% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Sutter Valley Medical FoundationModesto, CA · 2,500 clinicians
Hospital affiliation
- Memorial Medical CenterModesto, CA
Industry payments (Open Payments)
- 2025$969.39 · 16 payments from 10 companies
- 2024$1,150 · 12 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ascendis Pharma Endocrinology Inc | $265.25 | 3 |
| Amgen Inc. | $255.03 | 3 |
| Lilly USA, LLC | $106.89 | 2 |
| Corcept Therapeutics | $104.52 | 1 |
| Beta Bionics, Inc. | $88.83 | 1 |
What the 2025 payments were for
- Food and Beverage$969.39 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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