David Engler
NPI 1669477568ActiveIndividual· Allergy & Immunology, Allergy· Houston, TX
Allergy & Immunology, Allergy in Houston, Texas, trained at Baylor College of Medicine (class of 1985). In 2024 Medicare paid $583,684 for 196 patients, and Part D covered 509 of their prescriptions, 61% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 21 companies reporting payments in 2025, $2,211 in all, mostly food and beverage.
Overview
| NPI | 1669477568 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jun 16, 2005 |
| Last updated in NPPES | Oct 21, 2022 |
| Certified by provider | Oct 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology, Allergy Primary | 207KA0200X | H0330 | 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 - Allergy/Immunology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 196 |
|---|---|
| Services billed | 29,497 across 50 procedure codes |
| Paid by Medicare | $583,684 |
Part D prescriptions in 2024
| Prescriptions (claims) | 509 · 817 30-day fills |
|---|---|
| Patients | 124 |
| Total drug cost | $304,506 |
| Generic share | 61% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Allergy/Immunology |
| Telehealth | Offers telehealth |
Medical group
- Allergy Clinic LLPPearland, TX · 4 clinicians
Industry payments (Open Payments)
- 2025$2,211 · 86 payments from 21 companies
- 2024$2,382 · 100 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $251.33 | 13 |
| Takeda Pharmaceuticals U.S.A., Inc. | $241.80 | 8 |
| Ionis Pharmaceuticals, Inc. | $215.45 | 6 |
| Biocryst US Sales Co., LLC | $196.81 | 9 |
| Csl Behring | $155.68 | 6 |
What the 2025 payments were for
- Food and Beverage$2,211 · 86 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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