David Eugene Hrncir, M.D.
NPI 1023080124ActiveIndividual· Allergy & Immunology, Allergy· San Antonio, TX
Allergy & Immunology, Allergy (M.D.) in San Antonio, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 1980). Their prescriptions cost Medicare Part D more than their services did: $68,833 for 321 claims, against $33,308 paid for services in 2024. Ars Pharmaceuticals Operations, Inc. was the largest of 15 companies reporting payments in 2025, $1,095 in all, mostly food and beverage.
Overview
| NPI | 1023080124 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 2, 2006 |
| Last updated in NPPES | Feb 13, 2025 |
| Certified by provider | Jan 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology, Allergy Primary | 207KA0200X | F9592 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Allergy/Immunology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 108 |
|---|---|
| Services billed | 2,467 across 16 procedure codes |
| Paid by Medicare | $33,308 |
Part D prescriptions in 2024
| Prescriptions (claims) | 321 · 445 30-day fills |
|---|---|
| Patients | 86 |
| Total drug cost | $68,833 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Allergy/Immunology |
Medical group
- Apex Allergy and Asthma, PLLCSan Antonio, TX · 2 clinicians
Industry payments (Open Payments)
- 2025$1,095 · 47 payments from 15 companies
- 2024$1,558 · 61 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ars Pharmaceuticals Operations, Inc. | $147.38 | 8 |
| Glaxosmithkline, LLC. | $135.42 | 8 |
| Novartis Pharmaceuticals Corporation | $131.66 | 5 |
| Sanofi-Aventis U.S. LLC | $106.98 | 3 |
| Genzyme Corporation | $92.54 | 3 |
What the 2025 payments were for
- Food and Beverage$1,095 · 47 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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