Mika Watanabe, PA-C
NPI 1356080527ActiveIndividual· Physician Assistant· Litchfield Park, AZ
Physician Assistant (PA-C) with Arizona Digestive Health PC, practicing in Litchfield Park, Arizona. Their prescriptions cost Medicare Part D more than their services did: $234,073 for 1,043 claims, against $19,233 paid for services in 2024. Janssen Biotech, Inc. was the largest of 9 companies reporting payments in 2025, $381.30 in all, mostly food and beverage. Lists Yavapai Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1356080527 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jun 3, 2022 |
| Last updated in NPPES | Feb 27, 2024 |
| Certified by provider | Feb 27, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 9294 | 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 | 188 |
|---|---|
| Services billed | 1,075 across 38 procedure codes |
| Paid by Medicare | $19,233 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,043 · 1,909 30-day fills |
|---|---|
| Patients | 585 |
| Total drug cost | $234,073 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Arizona Digestive Health PCSun City, AZ · 136 clinicians
Hospital affiliation
- Yavapai Regional Medical CenterPrescott, AZ
Industry payments (Open Payments)
- 2025$381.30 · 17 payments from 9 companies
- 2024$431.15 · 18 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $115.12 | 5 |
| Endo USA, Inc. | $70.32 | 3 |
| Urogen Pharma, Inc. | $34.50 | 1 |
| Ferring Pharmaceuticals Inc. | $33.83 | 2 |
| Abbvie Inc. | $33.10 | 2 |
What the 2025 payments were for
- Food and Beverage$381.30 · 17 payments
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