Tiffany Dietz, PA
NPI 1780187633ActiveIndividual· Physician Assistant· Arlington, VA
Physician Assistant (PA) with Physical Medicine Associates Ltd, practicing in Arlington, Virginia. 280 Medicare patients in 2024, $76,856 paid; nearly all of their 1,130 Part D prescriptions were generic (94%). Abbvie Inc. was the largest of 7 companies reporting payments in 2025, $355.20 in all, mostly food and beverage. Lists Inova Alexandria Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1780187633 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Mar 16, 2018 |
| Last updated in NPPES | Jul 24, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 0110006117 | VA |
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 (DC); Practitioner - Physician Assistant (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 280 |
|---|---|
| Services billed | 956 across 11 procedure codes |
| Paid by Medicare | $76,856 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,130 · 1,351 30-day fills |
|---|---|
| Patients | 201 |
| Total drug cost | $54,156 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Physical Medicine Associates LtdArlington, VA · 71 clinicians
Hospital affiliations
- Inova Alexandria HospitalAlexandria, VA
- Inova Fair Oaks HospitalFairfax, VA
- Inova Mount Vernon HospitalAlexandria, VA
- Virginia Hospital CenterArlington, VA
Industry payments (Open Payments)
- 2025$355.20 · 15 payments from 7 companies
- 2024$703.86 · 22 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $143.27 | 5 |
| Abbott Laboratories | $61.10 | 3 |
| Pfizer Inc. | $50.32 | 2 |
| Collegium Pharmaceutical, Inc. | $40.39 | 2 |
| Vertex Pharmaceuticals Incorporated | $24.62 | 1 |
What the 2025 payments were for
- Food and Beverage$355.20 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 76 physician assistants in Arlington · All physician assistants in Virginia