Charles Mack Grubb, P.A.
NPI 1366484354ActiveIndividual· Physician Assistant· Irving, TX
Physician Assistant (P.A.) with Wellmed Medical Group PA and 1 other group, practicing in Irving, Texas. Their prescriptions cost Medicare Part D more than their services did: $33,595 for 621 claims, against $9,608 paid for services in 2024.
Overview
| NPI | 1366484354 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A. |
| Sole proprietor | No |
| NPI issued | Jun 12, 2006 |
| Last updated in NPPES | May 22, 2024 |
| Certified by provider | May 22, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA03541 | TX |
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 | 63 |
|---|---|
| Services billed | 377 across 48 procedure codes |
| Paid by Medicare | $9,608 |
Part D prescriptions in 2024
| Prescriptions (claims) | 621 · 1,619 30-day fills |
|---|---|
| Patients | 134 |
| Total drug cost | $33,595 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Wellmed Medical Group PASan Antonio, TX · 646 clinicians
- Medical Clinic of North Texas, PLLCFort Worth, TX · 267 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 85 physician assistants in Irving · All physician assistants in Texas