Kayla Irelan, D.O.
NPI 1174979728ActiveIndividual· Internal Medicine· Houston, TX
Internal Medicine (D.O.) in Houston, Texas, trained at University of North Texas Hsc, College of Osteopathic Med (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $396,927 for 4,085 claims, against $63,123 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 17 companies reporting payments in 2025, $1,804 in all, mostly food and beverage.
Overview
| NPI | 1174979728 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | May 12, 2016 |
| Last updated in NPPES | Nov 27, 2023 |
| Certified by provider | Nov 27, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | S1156 | TX |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 336 |
|---|---|
| Services billed | 1,043 across 22 procedure codes |
| Paid by Medicare | $63,123 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,085 · 9,582 30-day fills |
|---|---|
| Patients | 459 |
| Total drug cost | $396,927 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of North Texas Hsc, College of Osteopathic Med |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Houston Methodist HospitalHouston, TX
- Houston Methodist Sugarland HospitalSugar Land, TX
- Houston Methodist West HospitalHouston, TX
- Oakbend Medical CenterRichmond, TX
Other facilities
- Marathon Healthcare Services LLCHome health agency · Pearland, TX
Industry payments (Open Payments)
- 2025$1,804 · 101 payments from 17 companies
- 2024$1,083 · 56 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $253.71 | 19 |
| Abbvie Inc. | $250.63 | 12 |
| Amgen Inc. | $238.37 | 9 |
| Novo Nordisk Inc | $207.77 | 10 |
| Astrazeneca Pharmaceuticals LP | $192.54 | 18 |
What the 2025 payments were for
- Food and Beverage$1,804 · 101 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,983 internal medicine physicians in Houston · All internal medicine physicians in Texas