Katherine Dyan Billings, PA
NPI 1811767049ActiveIndividual· Physician Assistant· Dallas, TX
Physician Assistant (PA) with Questcare Medical Services PLLC, practicing in Dallas, Texas. 38 Medicare patients in 2024, $3,376 paid; nearly all of their 115 Part D prescriptions were generic (97%).
Overview
| NPI | 1811767049 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Jan 8, 2024 |
| Last updated in NPPES | Jan 8, 2024 |
| Certified by provider | Jan 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 38 |
|---|---|
| Services billed | 46 across 8 procedure codes |
| Paid by Medicare | $3,376 |
Part D prescriptions in 2024
| Prescriptions (claims) | 115 · 117 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $885.89 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Questcare Medical Services PLLCSachse, TX · 61 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other physician assistants in Dallas
- 1003312828
- 1003365602
- 1013161652
- 1013612340
- 1013682459
- 1013929736
- 1023076262
- 1023155249
- 1023234341
- 1023331196
- 1023721289
- 1033198866
All 1,210 physician assistants in Dallas · All physician assistants in Texas