NPPES file of Aug 9, 2026

William A. Quoos, CRNA

Certified Registered Nurse Anesthetist · Ephrata, PA

William A. Quoos, CRNA is a certified registered nurse anesthetist with a practice address in Ephrata, Pennsylvania, and NPI 1609810134, issued on Jun 15, 2006. Check the license (Pennsylvania RN297449L, as entered in NPPES) with the Pennsylvania 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
1609810134
Name
William A. Quoos
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
RN297449L PA
Self-reported in NPPES; status is on the state search
Practice location
169 Martin Ave, Ephrata, PA 17522
Phone
(717) 733-0311
Enumerated
Jun 15, 2006
Record last updated
Apr 16, 2025
Medicare enrollment
Enrolled (PECOS I20060126001012); 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 4,822 in Pennsylvania → Look up another NPI →

Also registered at 169 Martin Ave

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

  1. Allen Arslanian, CRNACertified Registered Nurse Anesthetist1487277802
  2. Harris Baderak, D.O.Emergency Medical Services (Emergency Medicine) Physician1114946217
  3. Rakesh Barak, M.D.Diagnostic Radiology Physician1003014473
  4. Heather Barnica, CRNACertified Registered Nurse Anesthetist1922075324
  5. Maureen Barr, C.R.N.A.Certified Registered Nurse Anesthetist1912086521
  6. Adam Batog, DOEmergency Medicine Physician1871906347

Verify William A. Quoos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license RN297449L    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 Pennsylvania 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. Wellspan Medical GroupEphrata, PA

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

William A. Quoos among 4,822 certified registered nurse anesthetist records in Pennsylvania

William A. Quoos, CRNA is one of 4,822 certified registered nurse anesthetist records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 58% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2000 · median 2012 among the 3,576 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 367500000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

32 certified registered nurse anesthetist records list a practice address in Ephrata

They are 32 of the 574 NPPES records with a practice address in Ephrata, and 4,822 certified registered nurse anesthetist records in Pennsylvania.

All 4,822 in Pennsylvania → Every provider in Ephrata → Certified Registered Nurse Anesthetist nationwide →

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

  1. Heather Barnica, CRNAEphrata, PA 175221922075324
  2. Maureen Barr, C.R.N.A.Ephrata, PA 175221912086521
  3. Robert Beech, CRNAEphrata, PA 175221609951672
  4. Donald Cassano, CRNAEphrata, PA 175221114961331
  5. Larry Cicero, CRNAEphrata, PA 175221285663161
  6. Susan Favorite, CRNAEphrata, PA 175221487743464
  7. Dennis Green, CRNAEphrata, PA 175221790893253
  8. Kathleen Hill, CRNAEphrata, PA 175221245248749

Common questions

What is William A. Quoos, CRNA's NPI number?

William A. Quoos, CRNA's National Provider Identifier (NPI) is 1609810134, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William A. Quoos, CRNA located?

The NPPES record lists a practice address at 169 Martin Ave, Ephrata, PA, 17522. Phone: (717) 733-0311. Providers update this record themselves, so call before visiting.

How can I verify William A. Quoos, CRNA's license?

NPPES lists Pennsylvania license number RN297449L, as entered by the provider. Search the Pennsylvania 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.