Daniel Cardin Hatmaker, D.C., NP-C
NPI 1366615866ActiveIndividual· Nurse Practitioner, Family· Galveston, TX
Nurse Practitioner, Family (D.C., NP-C) with Interventional Pain Specialists PLLC, practicing in Galveston, Texas. 1,119 Medicare patients in 2024, $539,802 paid; nearly all of their 2,479 Part D prescriptions were generic (95%). Spr Therapeutics, Inc was the largest of 14 companies reporting payments in 2025, $1,593 in all, mostly food and beverage. Lists HCA Houston Healthcare Clear Lake and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1366615866 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.C., NP-C |
| Sole proprietor | No |
| NPI issued | Apr 7, 2008 |
| Last updated in NPPES | Nov 15, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 782638 | TX |
| Chiropractor | 111N00000X | 10849 | 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 | 1,119 |
|---|---|
| Services billed | 8,559 across 42 procedure codes |
| Paid by Medicare | $539,802 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,479 · 2,687 30-day fills |
|---|---|
| Patients | 470 |
| Total drug cost | $189,220 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Interventional Pain Specialists PLLCPasadena, TX · 10 clinicians
Hospital affiliations
- HCA Houston Healthcare Clear LakeWebster, TX
- HCA Houston Healthcare SoutheastPasadena, TX
- University of Texas Medical Branch GalvestonGalveston, TX
Other facilities
- Pam Rehabilitation Hospital of Clear LakeInpatient rehabilitation facility · Webster, TX
Industry payments (Open Payments)
- 2025$1,593 · 55 payments from 14 companies
- 2024$992.35 · 45 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Spr Therapeutics, Inc | $382.06 | 3 |
| Abbott Laboratories | $293.95 | 9 |
| Collegium Pharmaceutical, Inc. | $228.39 | 13 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $157.69 | 8 |
| Vertex Pharmaceuticals Incorporated | $127.97 | 4 |
What the 2025 payments were for
- Food and Beverage$1,241 · 54 payments
- Travel and Lodging$352.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 104 family nurse practitioners in Galveston · All family nurse practitioners in Texas