Carolyn H. Ahn, FNP
NPI 1033754098ActiveIndividual· Internal Medicine· Plano, TX
Internal Medicine (FNP) with Doctors of Internal Medicine PA, practicing in Plano, Texas. Their prescriptions cost Medicare Part D more than their services did: $166,240 for 1,464 claims, against $55,448 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 23 companies reporting payments in 2025, $1,038 in all, mostly food and beverage. Lists Baylor Scott and White Medical Center McKinney and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1033754098 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Nov 14, 2019 |
| Last updated in NPPES | Feb 5, 2020 |
| Certified by provider | Feb 5, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | AP143437 | 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 - Nurse Practitioner (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 174 |
|---|---|
| Services billed | 2,408 across 85 procedure codes |
| Paid by Medicare | $55,448 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,464 · 3,452 30-day fills |
|---|---|
| Patients | 202 |
| Total drug cost | $166,240 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Doctors of Internal Medicine PAMcKinney, TX · 27 clinicians
Hospital affiliations
- Baylor Scott and White Medical Center McKinneyMc Kinney, TX
- Medical Center of McKinneyMcKinney, TX
- Medical City PlanoPlano, TX
Industry payments (Open Payments)
- 2025$1,038 · 54 payments from 23 companies
- 2024$1,364 · 80 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $167.36 | 8 |
| Novo Nordisk Inc | $165.37 | 11 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $94.08 | 4 |
| Abbvie Inc. | $73.21 | 3 |
| Seqirus USA Inc | $66.24 | 3 |
What the 2025 payments were for
- Food and Beverage$1,038 · 54 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Plano
- 1003025271
- 1003259458
- 1023374055
- 1043380306
- 1053398404
- 1053506949
- 1073176772
- 1093789539
- 1093896938
- 1104827799
- 1114361508
- 1114969300
All 314 internal medicine physicians in Plano · All internal medicine physicians in Texas