Mary Schmitz
NPI 1639764145ActiveIndividual· Physician Assistant· Litchfield Park, AZ
Physician Assistant with Arizona Digestive Health PC, practicing in Litchfield Park, Arizona. Their prescriptions cost Medicare Part D more than their services did: $347,187 for 2,429 claims, against $100,166 paid for services in 2024. Janssen Biotech, Inc. was the largest of 14 companies reporting payments in 2025, $1,331 in all, mostly food and beverage.
Overview
| NPI | 1639764145 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 5, 2021 |
| Last updated in NPPES | May 17, 2022 |
| Certified by provider | May 17, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 9015 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 653 |
|---|---|
| Services billed | 7,833 across 37 procedure codes |
| Paid by Medicare | $100,166 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,429 · 5,643 30-day fills |
|---|---|
| Patients | 1,046 |
| Total drug cost | $347,187 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Arizona Digestive Health PCSun City, AZ · 136 clinicians
Industry payments (Open Payments)
- 2025$1,331 · 60 payments from 14 companies
- 2024$446.49 · 21 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $421.78 | 13 |
| Dendreon Pharmaceuticals LLC | $261.62 | 20 |
| Endo USA, Inc. | $152.34 | 8 |
| Sumitomo Pharma America, Inc. | $80.07 | 3 |
| Ferring Pharmaceuticals Inc. | $75.69 | 3 |
What the 2025 payments were for
- Food and Beverage$1,263 · 59 payments
- Education$68.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 physician assistants in Litchfield Park · All physician assistants in Arizona