Stephen Alexander Mack, APRN-CNP; PMHNP-C
NPI 1245352756ActiveIndividual· Nurse Practitioner, Family· Katy, TX
Nurse Practitioner, Family (APRN-CNP; PMHNP-C) with Doctors Express of the Beaumont Area PA, practicing in Katy, Texas. Their prescriptions cost Medicare Part D more than their services did: $1,944,501 for 4,843 claims, against $8,205 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 2 companies reporting payments in 2025, $43.08 in all, mostly food and beverage.
Overview
| NPI | 1245352756 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN-CNP; PMHNP-C |
| Sole proprietor | Yes |
| NPI issued | Apr 4, 2007 |
| Last updated in NPPES | Aug 31, 2023 |
| Certified by provider | Aug 31, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | AP128914 | TX |
| Chiropractor | 111N00000X | 9319 | TX |
| Chiropractor, Rehabilitation | 111NR0400X | 9319 | TX |
| Chiropractor, Sports Physician | 111NS0005X | 9319 | TX |
| Nurse Practitioner | 363L00000X | AP128914 | 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 - Nurse Practitioner (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 82 |
|---|---|
| Services billed | 252 across 22 procedure codes |
| Paid by Medicare | $8,205 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,843 · 6,445 30-day fills |
|---|---|
| Patients | 464 |
| Total drug cost | $1,944,501 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Doctors Express of the Beaumont Area PABeaumont, TX · 210 clinicians
Industry payments (Open Payments)
- 2025$43.08 · 2 payments from 2 companies
- 2024$2,200 · 110 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $26.57 | 1 |
| Teva Pharmaceuticals USA, Inc. | $16.51 | 1 |
What the 2025 payments were for
- Food and Beverage$43.08 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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