William Patrick Zeleznak, MD
Anesthesiology Physician · Fort Worth, TX
William Patrick Zeleznak, MD is an anesthesiology physician with a practice address in Fort Worth, Texas, and NPI 1184111759, issued on Apr 18, 2018. Check the license (Texas V5857, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Patrick Zeleznak
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- V5857 TX
Self-reported in NPPES; status is on the state search - Practice location
- 900 8TH Ave, Fort Worth, TX 76104
- Phone
- (817) 336-2100
- Enumerated
- Apr 18, 2018
- Record last updated
- Mar 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20250402002825); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 4,635 in Texas → Look up another NPI →
Also registered at 900 8TH Ave
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Verify William Patrick Zeleznak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license V5857Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average anesthesiology physician in 2024
19 Medicare Part D claims for 19 beneficiaries, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Mupirocin19 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.
Bills Medicare through one group practice
- Northstar Anesthesia III PAFort Worth, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Patrick Zeleznak among 4,635 anesthesiology physician records in Texas
William Patrick Zeleznak, MD is one of 4,635 anesthesiology physician records with a practice address in Texas. 79% 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 88% of them.
- NPI issued2018 · 88% of these records are older, 10% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2018 · median 2005 among the 3,293 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Texas
There are 4,635 anesthesiology physician records in Texas.
All 4,635 in Texas → Every provider in Fort Worth → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Jon Badgwell, M.D.Fort Worth, TX 761041053315010
- Joseph Caero, M.D.Fort Worth, TX 761041457338659
- Kristina Deason, MDFort Worth, TX 761041285606699
- Tasneem Dohadwala, M.D.Fort Worth, TX 761041891097564
- Christopher Estrada, MDFort Worth, TX 761041184942054
- Kimble Horak, M.D.Fort Worth, TX 761041023251493
- Mythili Paladugu, MDFort Worth, TX 761041528139060
- Laura Riehm, MDFort Worth, TX 761041962489161
Common questions
What is William Patrick Zeleznak, MD's NPI number?
William Patrick Zeleznak, MD's National Provider Identifier (NPI) is 1184111759, issued on Apr 18, 2018. An NPI identifies a provider in billing; it is not a license.
Where is William Patrick Zeleznak, MD located?
The NPPES record lists a practice address at 900 8TH Ave, Fort Worth, TX, 76104. Phone: (817) 336-2100. Providers update this record themselves, so call before visiting.
How can I verify William Patrick Zeleznak, MD's license?
NPPES lists Texas license number V5857, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Patrick Zeleznak, MD prescribe under Medicare Part D?
In 2024, William Patrick Zeleznak, MD had 19 Medicare Part D claims for 19 beneficiaries; the average among anesthesiology physician prescribers was 402. 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.
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.