Tiffany Tracy Ly, PA-C
NPI 1891204772ActiveIndividual· 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: $214,480 for 940 claims, against $27,966 paid for services in 2024. Endo USA, Inc. reported $148.17 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1891204772 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 23, 2017 |
| Last updated in NPPES | Mar 8, 2024 |
| Certified by provider | Mar 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 7181 | 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 | 241 |
|---|---|
| Services billed | 480 across 19 procedure codes |
| Paid by Medicare | $27,966 |
Part D prescriptions in 2024
| Prescriptions (claims) | 940 · 1,772 30-day fills |
|---|---|
| Patients | 414 |
| Total drug cost | $214,480 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Arizona Digestive Health PCSun City, AZ · 136 clinicians
Industry payments (Open Payments)
- 2025$148.17 · 1 payment from 1 company
- 2024$314.75 · 9 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Endo USA, Inc. | $148.17 | 1 |
What the 2025 payments were for
- Food and Beverage$148.17 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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