Heather Lyn Gerstl, PA-C
NPI 1558591701ActiveIndividual· Physician Assistant· Lancaster, CA
Physician Assistant (PA-C) with Southern California Permanente Medical Group, practicing in Lancaster, California. Their prescriptions cost Medicare Part D more than their services did: $22,184 for 755 claims, against $1,259 paid for services in 2024.
Overview
| NPI | 1558591701 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jul 22, 2009 |
| Last updated in NPPES | Dec 6, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 20971 | 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 | 21 |
|---|---|
| Services billed | 29 across 8 procedure codes |
| Paid by Medicare | $1,259 |
Part D prescriptions in 2024
| Prescriptions (claims) | 755 · 854 30-day fills |
|---|---|
| Patients | 414 |
| Total drug cost | $22,184 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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