NPPES file of Aug 9, 2026

William N. Clark, CRNA

Certified Registered Nurse Anesthetist · Nellis Afb, NV

William N. Clark, CRNA is a certified registered nurse anesthetist with a practice address in Nellis Afb, Nevada, and NPI 1205157146, issued on Jun 15, 2010. Check the license with the Nevada board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1205157146
Name
William N. Clark
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
9500056 CA
Self-reported in NPPES; status is on the state search
Practice location
4700 Las Vegas Blvd N, Nellis Afb, NV 89191
Phone
(702) 653-3550
Enumerated
Jun 15, 2010
Record last updated
Jun 10, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20221021001792); accepts Medicare assignment
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 certified registered nurse anesthetist records → All 227 in Nevada → Look up another NPI →

Also registered at 4700 Las Vegas Blvd N

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

  1. Cherylene Abalos, D.O.Internal Medicine Physician1912401910
  2. Scott Abbott, CRNACertified Registered Nurse Anesthetist1831435072
  3. Olivia AbdooPhysical Therapist1144892639
  4. Lisa Abiuso-Hayes, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1992203566
  5. Erika Abraham, M.D.Internal Medicine Physician1831326644
  6. Joseph Acquafredda, CRNACertified Registered Nurse Anesthetist1861061293

Verify William N. Clark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Nevada board licenses this professionCheck 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 Nevada 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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Bills Medicare through one group practice

  1. Northern Colorado Anesthesia Professionals PLLCLafayette, CO

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

William N. Clark among 227 certified registered nurse anesthetist records in Nevada

William N. Clark, CRNA is one of 227 certified registered nurse anesthetist records with a practice address in Nevada. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 39% of them.

  • NPI issued2010 · 39% of these records are older, 59% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2011 · median 2017 among the 161 with a school on file
  • Record last updated2020 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

24 certified registered nurse anesthetist records list a practice address in Nellis Afb

They are 24 of the 829 NPPES records with a practice address in Nellis Afb, and 227 certified registered nurse anesthetist records in Nevada.

All 227 in Nevada → Every provider in Nellis Afb → Certified Registered Nurse Anesthetist nationwide →

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Almira Ang, CRNALas Vegas, NV 891911518239037
  2. Richard Anshutz, CRNALas Vegas, NV 891911285954438
  3. Joyce BussardNellis Afb, NV 891911720269012
  4. Shannon Eldridge, CRNANellis Afb, NV 891911710218821
  5. Anthony Esposito, CRNALas Vegas, NV 891911619952702
  6. Vance Gainer, CRNALas Vegas, NV 891911093885519
  7. Edward Ha, R.N., CRNANellis Afb, NV 891911972818763
  8. Joanne Heins, CRNANellis Afb, NV 891911417916354

Common questions

What is William N. Clark, CRNA's NPI number?

William N. Clark, CRNA's National Provider Identifier (NPI) is 1205157146, issued on Jun 15, 2010. An NPI identifies a provider in billing; it is not a license.

Where is William N. Clark, CRNA located?

The NPPES record lists a practice address at 4700 Las Vegas Blvd N, Nellis Afb, NV, 89191. Phone: (702) 653-3550. Providers update this record themselves, so call before visiting.

How can I verify William N. Clark, CRNA's license?

Search the Nevada board that licenses this profession; the NPPES record confirms identity 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.