William Stone, APRN
Clinical Nurse Specialist · San Marcos, TX
William Stone, APRN is a clinical nurse specialist with a practice address in San Marcos, Texas, and NPI 1538646062, issued on Jul 26, 2018. Check the license (Texas AP138253, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Stone
- Credential
- APRN
- Primary taxonomy
- Clinical Nurse Specialist 364S00000X
- License number
- AP138253 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1400 Clarewood Dr Apt 325, San Marcos, TX 78666
- Phone
- (817) 914-6212
- Enumerated
- Jul 26, 2018
- Record last updated
- Jul 26, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20181213002296); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical nurse specialist records → All 151 in Texas → Look up another NPI →
Verify William Stone in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license AP138253Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average clinical nurse specialist in 2024
208 Medicare Part D claims for 78 beneficiaries, against an average of 957 among the 361 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Atorvastatin Calcium20 claims
- Clopidogrel19 claims
- Carvedilol17 claims
- Ranolazine Er16 claims
- Furosemide15 claims
- Amiodarone Hcl14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 72.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $60.39
2 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 457 providers of this specialty with any payment received $871.23 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Seton Family OF DoctorsKyle, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Stone among 151 clinical nurse specialist records in Texas
William Stone, APRN is one of 151 clinical nurse specialist records with a practice address in Texas. 53% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 75% of them.
- NPI issued2018 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 53% of these records are
- In the CMS Doctors and Clinicians fileYes · 36% of these records are
- Graduated2018 · median 2016 among the 54 with a school on file
- Record last updated2018 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 364S00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Nurse Specialist providers in Texas
There are 151 clinical nurse specialist records in Texas.
All 151 in Texas → Every provider in San Marcos → Clinical Nurse Specialist nationwide →
The 8 clinical nurse specialist records with the nearest ZIP codes
- Adam Hess, AGCNS-BCRound Rock, TX 786641912835810
- Teresa Miller, APN, CNSHorseshoe Bay, TX 786571275601361
- Janet Gruhn, CNSRound Rock, TX 786811417364043
- Heather Mast, CNSRound Rock, TX 786811033530258
- Belinda Read, APRNRound Rock, TX 786811033835848
- Edgar Ortiz SanchezKyle, TX 786401831868934
- Elizabeth Vallot, AGCNS-BCKyle, TX 786401124691308
- Floyd Butz, MSN, RN, AGCNS-BCAustin, TX 787011841886066
Common questions
What is William Stone, APRN's NPI number?
William Stone, APRN's National Provider Identifier (NPI) is 1538646062, issued on Jul 26, 2018. An NPI identifies a provider in billing; it is not a license.
Where is William Stone, APRN located?
The NPPES record lists a practice address at 1400 Clarewood Dr Apt 325, San Marcos, TX, 78666. Phone: (817) 914-6212. Providers update this record themselves, so call before visiting.
How can I verify William Stone, APRN's license?
NPPES lists Texas license number AP138253, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does William Stone, APRN prescribe under Medicare Part D?
In 2024, William Stone, APRN had 208 Medicare Part D claims for 78 beneficiaries; the average among clinical nurse specialist prescribers was 957. Part D covers Medicare prescriptions only.
What is William Stone, APRN's MIPS final score?
The 2023 MIPS final score is 72.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.