William Stone, APRN
NPI 1538646062 · Clinical Nurse Specialist · San Marcos, TX
Enrolled with Medicare as Practitioner - Certified Clinical Nurse Specialist (cns) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Stone, APRN is a Clinical Nurse Specialist provider in San Marcos, TX (NPI 1538646062).
Provider details
- NPI number
- 1538646062
- Entity type
- Individual
- Primary specialty
- Clinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Male
- Sole proprietor
- No
- License
- AP138253 (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 tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 20 | 16 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 19 | 18 |
| Carvedilol | 17 | — |
| Ranolazinebrand: Ranolazine Er | 16 | — |
| Furosemide | 15 | — |
| Amiodarone Hcl | 14 | — |
| Doxazosin Mesylate | 11 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$60 across 2 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
- 2018-07-26
- Last updated
- 2018-07-26
Frequently asked questions
- What is William Stone's NPI number?
- William Stone's National Provider Identifier (NPI) is 1538646062, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Stone's specialty?
- William Stone is listed in the NPPES registry with a primary specialty of Clinical Nurse Specialist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Stone located?
- William Stone's practice location on file with NPPES is 1400 Clarewood Dr Apt 325, San Marcos, TX 78666-8034.
- What is William Stone's phone number?
- The practice phone number listed in the NPPES registry for William Stone is (817) 914-6212.
- Does William Stone accept Medicare?
- William Stone is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Stone's NPI active?
- Yes — William Stone's NPI (1538646062) is active in the NPPES registry as of the last update on 2018-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.