NPPES file of Aug 9, 2026

William Charles Thomas, RN

Certified Registered Nurse Anesthetist · Arlington, VA

William Charles Thomas, RN is a certified registered nurse anesthetist with a practice address in Arlington, Virginia, and NPI 1548158785, issued on Jun 26, 2025. Check the license with the Virginia 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
1548158785
Name
William Charles Thomas
Credential
RN
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
R275678 MD
Self-reported in NPPES; status is on the state search
Practice location
1701 N George Mason Dr Ste 2D, Arlington, VA 22205
Phone
(703) 558-2438
Enumerated
Jun 26, 2025
Record last updated
Jun 16, 2026
Medicare enrollment
Enrolled (PECOS I20251224000529); 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 2,122 in Virginia → Look up another NPI →

Also registered at 1701 N George Mason Dr Ste 2D

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

  1. Christine Brown, CRNACertified Registered Nurse Anesthetist1952826315
  2. Claire Chin, CRNACertified Registered Nurse Anesthetist1396132023
  3. Amanda DelpCertified Registered Nurse Anesthetist1700531654
  4. Veronica DiefenbachCertified Registered Nurse Anesthetist1295233427
  5. Jonathan Gibbons, M.D.Anesthesiology Physician1689646515
  6. Korey Johnson, MDAnesthesiology Physician1891223053

Verify William Charles Thomas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Virginia 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 Virginia 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. Dominion Anesthesia PLLCArlington, VA

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

William Charles Thomas among 2,122 certified registered nurse anesthetist records in Virginia

William Charles Thomas, RN is one of 2,122 certified registered nurse anesthetist records with a practice address in Virginia. 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 2025, is newer than 98% of them.

  • NPI issued2025 · 98% of these records are older, 1% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2025 · median 2014 among the 1,557 with a school on file
  • Record last updated2026 · 58% 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 Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

57 certified registered nurse anesthetist records list a practice address in Arlington

They are 57 of the 3,510 NPPES records with a practice address in Arlington, and 2,122 certified registered nurse anesthetist records in Virginia.

All 2,122 in Virginia → Every provider in Arlington → Certified Registered Nurse Anesthetist nationwide →

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

  1. Melissa Behrens, CRNAArlington, VA 222051457380065
  2. Norma Bowman-Bell, CRNAArlington, VA 222051710913777
  3. Meghan Deal, CRNAArlington, VA 222051669400073
  4. Anne Donnelly, CRNAArlington, VA 222051659312569
  5. Gretchen Flossman, CRNAArlington, VA 222051194768978
  6. Billie Landolt, CRNAArlington, VA 222051508892548
  7. Diane Miller, CRNAArlington, VA 222051003848110
  8. Gail Miller, CRNAArlington, VA 222051801811898

Common questions

What is William Charles Thomas, RN's NPI number?

William Charles Thomas, RN's National Provider Identifier (NPI) is 1548158785, issued on Jun 26, 2025. An NPI identifies a provider in billing; it is not a license.

Where is William Charles Thomas, RN located?

The NPPES record lists a practice address at 1701 N George Mason Dr Ste 2D, Arlington, VA, 22205. Phone: (703) 558-2438. Providers update this record themselves, so call before visiting.

How can I verify William Charles Thomas, RN's license?

Search the Virginia 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.