Susette Grosveld, PA-C
NPI 1912253576ActiveIndividual· Physician Assistant· Whittier, CA
Physician Assistant (PA-C) with Pih Health Physicians, practicing in Whittier, California. Their prescriptions cost Medicare Part D more than their services did: $780,983 for 3,029 claims, against $29,945 paid for services in 2024. Genzyme Corporation was the largest of 10 companies reporting payments in 2025, $1,498 in all, mostly food and beverage. Lists Pih Health Hospital-Whittier as a hospital affiliation.
Overview
| NPI | 1912253576 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Jul 31, 2012 |
| Last updated in NPPES | Apr 15, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA22432 | CA |
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 | 282 |
|---|---|
| Services billed | 422 across 12 procedure codes |
| Paid by Medicare | $29,945 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,029 · 5,493 30-day fills |
|---|---|
| Patients | 1,473 |
| Total drug cost | $780,983 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Pih Health PhysiciansSanta Fe Springs, CA · 622 clinicians
Hospital affiliation
- Pih Health Hospital-WhittierWhittier, CA
Industry payments (Open Payments)
- 2025$1,498 · 64 payments from 10 companies
- 2024$1,205 · 37 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $301.23 | 10 |
| Janssen Biotech, Inc. | $266.51 | 10 |
| Ardelyx, Inc. | $250.43 | 9 |
| Madrigal Pharmaceuticals | $245.12 | 21 |
| Phathom Pharmaceuticals, Inc. | $240.10 | 4 |
What the 2025 payments were for
- Food and Beverage$1,414 · 63 payments
- Education$84.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other physician assistants in Whittier
- 1063160711
- 1144213067
- 1376043133
- 1477820470
- 1518637180
- 1568770725
- 1750955894
- 1861256117
- 1912410358
- 1063869733
- 1073277828
- 1144685504
All 92 physician assistants in Whittier · All physician assistants in California