Doctor profile · Federal record

Dr. Carolyn Ahn, FNP

Internal Medicine Physician (CMS: Nurse Practitioner) · Plano, TX

  • NPI 1033754098
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5941 Dallas Pkwy
Plano, TX 750939001
(972) 758-4455
fax (972) 758-4433

Credentials & registration

NPPES · NUCC
NPI registered
November 2019 — 7 yrs on file
Profile last updated
February 5, 2020
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #AP143437

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033754098. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,384
Distinct HCPCS
10
Medicare allowed
$46,015
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 167 115 $74
80048 Blood test, basic group of blood chemicals (calcium, total) 120 61 $8
36415 Insertion of needle into vein for collection of blood sample 100 60 $8
80076 Liver function blood test panel 100 53 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 98 52 $104
80061 Blood test, lipids (cholesterol and triglycerides) 97 49 $13
82570 Creatinine level to test for kidney function or muscle injury 84 48 $5
83036 Hemoglobin a1c level 58 30 $10
84443 Blood test, thyroid stimulating hormone (tsh) 48 27 $16
84439 Thyroxine (thyroid chemical), free 44 24 $9

In context: peer comparison

Among 76 peers in Plano Internal Medicine Physician, average services per provider: 149. This provider delivers 9.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,364
Transactions
64
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 12 $176.36
Abbvie INC. 13 $162.66
Dexcom, INC. 3 $154.97
AstraZeneca Pharmaceuticals Lp 5 $142.37
Boehringer Ingelheim Pharmaceuticals, INC. 5 $113.80
GlaxoSmithKline, LLC. 5 $90.71
Pfizer INC. 4 $88.36
Lilly USA, LLC 3 $62.72
Merck Sharp & Dohme LLC 3 $54.58
Astellas Pharma US INC 3 $53.79
Exact Sciences Corporation 2 $42.20
Seqirus USA INC 2 $33.14
Esperion Therapeutics, INC. 2 $28.16
Phathom Pharmaceuticals, INC. 1 $24.29
Philips North America LLC 1 $20.62

By nature of payment

Food and Beverage
$1,345
Entertainment
$18

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
602
Patients
262
Total drug cost
$8,953
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 124 54 $2,106
Amlodipine Besylate Generic 58 25 $591
Levothyroxine Sodium Generic 51 19 $877
Metformin Hcl ER (Metformin Hcl) Brand 49 21 $466
Lisinopril Generic 48 20 $369
Metoprolol Succinate Generic 46 18 $771
Ezetimibe Generic 32 0 $914
Olmesartan Medoxomil Generic 30 12 $578
Doxycycline Monohydrate Generic 29 29 $342
Trazodone Hcl Generic 27 13 $348

Frequently asked questions

Auto-generated from federal data
What is Dr. Carolyn Ahn's medical specialty?
Dr. Carolyn Ahn practices Internal Medicine Physician in Plano, TX.
Where does Dr. Carolyn Ahn practice?
Dr. Carolyn Ahn practices at 5941 Dallas Pkwy, Plano, TX 750939001. Office phone: 9727584455.
What is Dr. Carolyn Ahn's NPI?
Dr. Carolyn Ahn's National Provider Identifier (NPI) is 1033754098, issued by NPPES.
Does Dr. Carolyn Ahn accept Medicare assignment?
Yes. Dr. Carolyn Ahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carolyn Ahn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Blood test, basic group of blood chemicals (calcium, total) (HCPCS 80048); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.