Quick answers
- Does Carolyn H. Ahn accept Medicare assignment?
- Yes. Medicare's clinician data says Carolyn H. Ahn accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Carolyn H. Ahn see?
- In 2024, CMS data shows 174 Original Medicare patients and 2,408 services for Carolyn H. Ahn. This counts Original Medicare only and measures volume, not quality.
- What is Carolyn H. Ahn's NPI number?
- 1033754098. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Carolyn H. Ahn, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 174 |
|---|---|
| Services billed to Medicare | 2,408 |
| Different services or procedures | 85 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)175 services
- Blood test, basic group of blood chemicals (calcium, total) (80048)166 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)145 services
- Liver function blood test panel (80076)143 services
- Blood test, lipids (cholesterol and triglycerides) (80061)141 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Ischemic heart disease39%
- Depression34%
- Diabetes33%
Hospitals where Carolyn H. Ahn works
Medicare's Facility Affiliation Data lists Carolyn H. Ahn at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Baylor Scott and White Medical Center McKinneyMcKinney, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 670082
- Medical Center of McKinneyMcKinney, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450403
- Medical City PlanoPlano, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450651
Practice locations
Addresses where Carolyn H. Ahn is enrolled with Medicare (CMS data updated October 2, 2026).
- 240 Adriatic PkwyMcKinney, TX 75070 (972) 382‑9292
- 5941 Dallas Pkwy, Suite 100Plano, TX 75093 (972) 758‑4455
Group practices
Medicare enrollment lists Carolyn H. Ahn as a member of this group (CMS data updated October 2, 2026).
- Doctors of Internal Medicine PA27 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in McKinney
Clinicians with the same Medicare primary specialty in McKinney, TX — not a recommendation.
Other clinicians in Doctors of Internal Medicine PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1033754098 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians