Doctor profile · Federal record

Dr. Charlotte Williamson

Family Nurse Practitioner (CMS: Nurse Practitioner) · Austin, TX

  • NPI 1376251090
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
8901 Vertex Blvd
Austin, TX 787472792
(512) 231-5150
fax (512) 406-6262
Additional location
1807 W Slaughter Ln Ste 490
Austin, TX 787486208
(512) 282-8967
Mailing address
6210 E Hwy 290
Austin, TX 787231142

Credentials & registration

NPPES · NUCC
NPI registered
November 2022 — 4 yrs on file
Profile last updated
January 15, 2025
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Texas #1108828

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376251090. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
486
Distinct HCPCS
7
Medicare allowed
$20,479
HCPCS Description Services Patients Avg allowed
17003 Destruction of precancer skin growth, 2-14 growths 256 43 $6
17000 Destruction of precancer skin growth, 1 growth 59 55 $47
99213 Established patient office or other outpatient visit, 20-29 minutes 50 46 $74
99203 New patient office or other outpatient visit, 30-44 minutes 35 35 $94
99214 Established patient office or other outpatient visit, 30-39 minutes 32 30 $105
11102 Biopsy of related skin growth, first growth 28 28 $86
99204 New patient office or other outpatient visit, 45-59 minutes 26 26 $133

In context: peer comparison

Among 161 peers in Austin Family Nurse Practitioner, average services per provider: 298. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$243
Transactions
6
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Sanofi-Aventis U.S. LLC 1 $99.99
Janssen Biotech, INC. 2 $87.01
Novartis Pharmaceuticals Corporation 2 $38.03
Genzyme Corporation 1 $18.44

By nature of payment

Education
$172
Food and Beverage
$71

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
69
Patients
58
Total drug cost
$858
Drug Type Claims Patients Total cost
Triamcinolone Acetonide Generic 27 25 $218
Ketoconazole Generic 26 19 $364
Betamethasone Diprop Augmented (Betamethasone/Propylene Glyc) Brand 16 14 $275

Frequently asked questions

Auto-generated from federal data
What is Dr. Charlotte Williamson's medical specialty?
Dr. Charlotte Williamson practices Family Nurse Practitioner in Austin, TX.
Where does Dr. Charlotte Williamson practice?
Dr. Charlotte Williamson practices at 8901 Vertex Blvd, Austin, TX 787472792. Office phone: 5122315150.
What is Dr. Charlotte Williamson's NPI?
Dr. Charlotte Williamson's National Provider Identifier (NPI) is 1376251090, issued by NPPES.
Does Dr. Charlotte Williamson accept Medicare assignment?
Yes. Dr. Charlotte Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charlotte Williamson commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Destruction of precancer skin growth, 1 growth (HCPCS 17000); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.