Dennis Dilley, M.D.
NPI 1720029218ActiveIndividual· Allergy & Immunology, Allergy· San Antonio, TX
Allergy & Immunology, Allergy (M.D.) in San Antonio, Texas, trained at University of Texas Medical School at San Antonio (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $719,043 for 2,968 claims, against $188,651 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 15 companies reporting payments in 2025, $799.43 in all, mostly food and beverage.
Overview
| NPI | 1720029218 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 8, 2006 |
| Last updated in NPPES | Aug 26, 2024 |
| Certified by provider | Aug 26, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology, Allergy Primary | 207KA0200X | K4676 | TX |
| Specialist | 174400000X | K4676 | 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 | 557 |
|---|---|
| Services billed | 26,172 across 30 procedure codes |
| Paid by Medicare | $188,651 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,968 · 4,540 30-day fills |
|---|---|
| Patients | 591 |
| Total drug cost | $719,043 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at San Antonio |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Pediatric Medicine |
Medical group
- Dilley Allergy and Asthma Specialists LLPSan Antonio, TX · 3 clinicians
Industry payments (Open Payments)
- 2025$799.43 · 47 payments from 15 companies
- 2024$830.81 · 55 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $173.13 | 16 |
| Regeneron Healthcare Solutions, Inc. | $142.50 | 5 |
| Glaxosmithkline, LLC. | $86.14 | 5 |
| Novartis Pharmaceuticals Corporation | $75.90 | 4 |
| Takeda Pharmaceuticals U.S.A., Inc. | $41.46 | 2 |
What the 2025 payments were for
- Food and Beverage$799.43 · 47 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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