NPPES file of Aug 9, 2026

William Weiss, FNP

Family Nurse Practitioner · San Antonio, TX

William Weiss, FNP is a family nurse practitioner with a practice address in San Antonio, Texas, and NPI 1447724927, issued on Jan 17, 2019. Check the license (Texas AP140196, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447724927
Name
William Weiss
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
AP140196 TX
Self-reported in NPPES; status is on the state search
Practice location
430 W Sunset RD Ste 201, San Antonio, TX 78209
Phone
(210) 824-4584
Enumerated
Jan 17, 2019
Record last updated
Feb 11, 2025
Fax
(210) 826-3331
Medicare enrollment
Enrolled (PECOS I20190429002010); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →

Also registered at 430 W Sunset RD Ste 201

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stephen Greenfield, PAMedical Physician Assistant1568469203
  2. Gordy Hall, MDFamily Medicine Physician1598762296
  3. Aaron Killpack, D.O.Family Medicine Physician1457588212
  4. Rene Melendez, MDFamily Medicine Physician1215139597
  5. Shamsa Saleem, MDFamily Medicine Physician1235136979
  6. Alyssa Tran, DOFamily Medicine Physician1346421237

Verify William Weiss in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license AP140196    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.0 times the Medicare Part D claims of the average family nurse practitioner in 2024

3,876 Medicare Part D claims for 783 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 46 claims were for opioids.

  1. William Weiss3,876
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium212 claims
  2. Lisinopril144 claims
  3. Albuterol Sulfate Hfa128 claims
  4. Ibuprofen123 claims
  5. Levothyroxine Sodium121 claims
  6. Gabapentin111 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.

Industry payments in 2024: $119.92

7 payments; by number, the most common kind was food and beverage; the largest payer was Sanofi-Aventis U.S. LLC. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Weiss$119.92
  2. Specialty average$650.95

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

  1. Wellmed Medical Group PASan Antonio, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Weiss among 21,242 family nurse practitioner records in Texas

William Weiss, FNP is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 50% of them.

  • NPI issued2019 · 50% of these records are older, 41% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2018 · median 2018 among the 11,286 with a school on file
  • Record last updated2025 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,362 family nurse practitioner records list a practice address in San Antonio

They are 1,362 of the 37,749 NPPES records with a practice address in San Antonio, and 21,242 family nurse practitioner records in Texas.

All 21,242 in Texas → Every provider in San Antonio → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Clarice Adams, FNP-CSan Antonio, TX 782091780193839
  2. Stephen Clare, FNPSan Antonio, TX 782091730493206
  3. Kathleen Evans, FNP-BCSan Antonio, TX 782091477958361
  4. Donna Hamann, NPSan Antonio, TX 782091730115171
  5. Whitney Jackson, CFNPSan Antonio, TX 782091518508282
  6. Christian Longoria, R.N., F.N.P.San Antonio, TX 782091215043690
  7. Sean McCarthy, FNPSan Antonio, TX 782091316523244
  8. Glenda Mortimer, NP-CSan Antonio, TX 782091023263993

Common questions

What is William Weiss, FNP's NPI number?

William Weiss, FNP's National Provider Identifier (NPI) is 1447724927, issued on Jan 17, 2019. An NPI identifies a provider in billing; it is not a license.

Where is William Weiss, FNP located?

The NPPES record lists a practice address at 430 W Sunset RD Ste 201, San Antonio, TX, 78209. Phone: (210) 824-4584. Providers update this record themselves, so call before visiting.

How can I verify William Weiss, FNP's license?

NPPES lists Texas license number AP140196, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does William Weiss, FNP prescribe under Medicare Part D?

In 2024, William Weiss, FNP had 3,876 Medicare Part D claims for 783 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.