Carolyn Ahn, FNP
NPI 1033754098 · Internal Medicine Physician · Plano, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carolyn Ahn, FNP is a Internal Medicine Physician provider in Plano, TX (NPI 1033754098).
Provider details
- NPI number
- 1033754098
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP143437 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,926 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 175 | $9 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 166 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 145 | $73 |
| Liver Function Blood Test Panel80076 | 143 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 141 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 135 | $103 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 162 | 62 |
| Levothyroxine Sodium | 58 | 24 |
| Amlodipine Besylate | 56 | 24 |
| Ezetimibe | 50 | 16 |
| Metformin Hclbrand: Metformin Hcl Er | 47 | 23 |
| Olmesartan Medoxomil | 43 | 20 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,364 across 71 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-11-14
- Last updated
- 2020-02-05
- Certified
- 2020-02-05
Frequently asked questions
- What is Carolyn Ahn's NPI number?
- Carolyn Ahn's National Provider Identifier (NPI) is 1033754098, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Ahn's specialty?
- Carolyn Ahn is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carolyn Ahn located?
- Carolyn Ahn's practice location on file with NPPES is 5941 Dallas Pkwy, Plano, TX 75093-9001.
- What is Carolyn Ahn's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Ahn is (972) 758-4455.
- Does Carolyn Ahn accept Medicare?
- Carolyn Ahn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carolyn Ahn's NPI active?
- Yes — Carolyn Ahn's NPI (1033754098) is active in the NPPES registry as of the last update on 2020-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.