Mark Benjamin Sigler, M.D.
NPI 1578799946ActiveIndividual· Internal Medicine, Pulmonary Disease· Amarillo, TX
Internal Medicine, Pulmonary Disease (M.D.) in Amarillo, Texas, trained at Creighton University School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $1,488,008 for 2,173 claims, against $164,452 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $138.81 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1578799946 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 29, 2009 |
| Last updated in NPPES | Dec 13, 2019 |
| Certified by provider | Dec 13, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | Q4286 | TX |
| Internal Medicine, Critical Care Medicine | 207RC0200X | Q4286 | 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 - Pulmonary Disease (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 533 |
|---|---|
| Services billed | 2,370 across 44 procedure codes |
| Paid by Medicare | $164,452 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,173 · 2,628 30-day fills |
|---|---|
| Patients | 301 |
| Total drug cost | $1,488,008 |
Education and affiliations
| Medical school | Creighton University School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists), Internal Medicine |
Medical groups
- Texas Tech University Health Sciences Center AmarilloAmarillo, TX · 76 clinicians
- Northwest Texas Healthcare System IncAmarillo, TX · 22 clinicians
- Bsa Hospital LLCAmarillo, TX · 21 clinicians
Hospital affiliations
- Bsa HospitalAmarillo, TX
- Memorial HospitalDumas, TX
- Northwest Texas HospitalAmarillo, TX
- Ochiltree General HospitalPerryton, TX
- Plains Regional Medical CenterClovis, NM
Industry payments (Open Payments)
- 2025$138.81 · 19 payments from 1 company
- 2024$316.19 · 22 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $138.81 | 19 |
What the 2025 payments were for
- Food and Beverage$138.81 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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