Mark Cal Shaw, M.D.
NPI 1881644938ActiveIndividual· Family Medicine· Bernice, LA
Family Medicine (M.D.) in Bernice, Louisiana, trained at University of Texas Medical School at Houston (class of 1996). 265 Medicare patients in 2024, $35,005 paid; nearly all of their 679 Part D prescriptions were generic (96%).
Overview
| NPI | 1881644938 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 11, 2006 |
| Last updated in NPPES | Oct 7, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | MD023225 | LA |
| Emergency Medicine | 207P00000X | M9001 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 265 |
|---|---|
| Services billed | 331 across 22 procedure codes |
| Paid by Medicare | $35,005 |
Part D prescriptions in 2024
| Prescriptions (claims) | 679 · 698 30-day fills |
|---|---|
| Patients | 328 |
| Total drug cost | $5,387 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Family Practice |
Medical groups
- Acs Primary Care Physicians Southwest PAParis, TX · 184 clinicians
- Ess of Nacogdoches LLCNacogdoches, TX · 27 clinicians
Hospital affiliations
- Nacogdoches Memorial HospitalNacogdoches, TX
- Ut Health East Texas Jacksonville HospitalJacksonville, TX
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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