Charlotte Williamson
NPI 1376251090 · Family Nurse Practitioner · Austin, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charlotte Williamson is a Family Nurse Practitioner provider in Austin, TX (NPI 1376251090).
Provider details
- NPI number
- 1376251090
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 1108828 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
3 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,333 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 614 | $5 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 141 | $46 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 128 | $105 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 124 | $74 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 79 | $92 |
| Destruction of Skin Growth, 1-14 Growths |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 162 | 89 |
| Triamcinolone Acetonide | 132 | 86 |
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 125 | 83 |
| Clobetasol Propionate | 76 | 39 |
| Fluocinonide | 46 | 30 |
| Ciclopirox | 35 | 14 |
| Mupirocin | 29 | 20 |
| Clotrimazole/Betamethasone Dip |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$243 across 6 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
Additional practice locations (1)
- 8901 Vertex BlvdAustin, TX 78747-2792Phone: (512) 231-5150Fax: (512) 406-6262
Registry dates
- Enumerated
- 2022-11-10
- Last updated
- 2026-05-29
- Certified
- 2026-05-29
Frequently asked questions
- What is Charlotte Williamson's NPI number?
- Charlotte Williamson's National Provider Identifier (NPI) is 1376251090, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charlotte Williamson's specialty?
- Charlotte Williamson is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Charlotte Williamson located?
- Charlotte Williamson's practice location on file with NPPES is 708 W. Ben White Blvd Ste. 210, Austin, TX 78704.
- What is Charlotte Williamson's phone number?
- The practice phone number listed in the NPPES registry for Charlotte Williamson is (512) 282-5182.
- Does Charlotte Williamson accept Medicare?
- Charlotte Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charlotte Williamson's NPI active?
- Yes — Charlotte Williamson's NPI (1376251090) is active in the NPPES registry as of the last update on 2026-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.