Martin Joseph Waltsak, PA-C
NPI 1669409652ActiveIndividual· Physician Assistant· Garden Grove, CA
Physician Assistant (PA-C) with Providence Medical Foundation, practicing in Garden Grove, California. Their prescriptions cost Medicare Part D more than their services did: $105,400 for 2,083 claims, against $10,978 paid for services in 2024. Abbott Laboratories was the largest of 8 companies reporting payments in 2025, $332.99 in all, mostly food and beverage. Lists Providence St. Joseph Hospital as a hospital affiliation.
Overview
| NPI | 1669409652 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jun 27, 2006 |
| Last updated in NPPES | Mar 22, 2023 |
| Certified by provider | Mar 22, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA14773 | CA |
| Family Medicine | 207Q00000X | PA14773 | 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 | 115 |
|---|---|
| Services billed | 318 across 40 procedure codes |
| Paid by Medicare | $10,978 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,083 · 3,905 30-day fills |
|---|---|
| Patients | 607 |
| Total drug cost | $105,400 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliation
- Providence St. Joseph HospitalOrange, CA
Industry payments (Open Payments)
- 2025$332.99 · 15 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $76.10 | 3 |
| Novo Nordisk Inc | $71.90 | 3 |
| Lilly USA, LLC | $51.75 | 2 |
| Pfizer Inc. | $35.86 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $35.53 | 2 |
What the 2025 payments were for
- Food and Beverage$332.99 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 40 physician assistants in Garden Grove · All physician assistants in California