NPPES file of Aug 9, 2026

William Patrick Ryan, CRNA

Certified Registered Nurse Anesthetist · Oskaloosa, IA

William Patrick Ryan, CRNA is a certified registered nurse anesthetist with a practice address in Oskaloosa, Iowa, and NPI 1720100308, issued on Apr 4, 2007. Check the license (Iowa D-064310, as entered in NPPES) with the Iowa board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1720100308
Name
William Patrick Ryan
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
D-064310 IA
Self-reported in NPPES; status is on the state search
Practice location
1225 C Ave E, Oskaloosa, IA 52577
Phone
(641) 672-3338
Enumerated
Apr 4, 2007
Record last updated
Mar 7, 2023
Medicaid ID
0266320 IA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify William Patrick Ryan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license D-064310
    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
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William Patrick Ryan among 584 certified registered nurse anesthetist records in Iowa

William Patrick Ryan, CRNA is one of 584 certified registered nurse anesthetist records with a practice address in Iowa. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 35% of them.

  • NPI issued2007 · 35% of these records are older, 59% newer
  • In a Medicare fileNo · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2023 · 55% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 certified registered nurse anesthetist records list a practice address in Oskaloosa

They are 10 of the 253 NPPES records with a practice address in Oskaloosa, and 584 certified registered nurse anesthetist records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

  1. Heather Cadwell, CRNAOskaloosa, IA 525771982072021
  2. Cheryl Ervin, CRNAOskaloosa, IA 525771740237015
  3. Frank Gorski, CRNAOskaloosa, IA 525771780645341
  4. Gregory Kronenberg, CRNAOskaloosa, IA 525771609885961
  5. Gina Kronenberg, CRNAOskaloosa, IA 525771225047582
  6. Tiffany Martin, CRNAOskaloosa, IA 525771235614264
  7. Kyler Parkinson, CRNAOskaloosa, IA 525771184371619
  8. Kim Pearson, NURSE ANESTHETISTOskaloosa, IA 525771437166766

Common questions

What is William Patrick Ryan, CRNA's NPI number?

William Patrick Ryan, CRNA's National Provider Identifier (NPI) is 1720100308, issued on Apr 4, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William Patrick Ryan, CRNA located?

The NPPES record lists a practice address at 1225 C Ave E, Oskaloosa, IA, 52577. Phone: (641) 672-3338. Providers update this record themselves, so call before visiting.

How can I verify William Patrick Ryan, CRNA's license?

NPPES lists Iowa license number D-064310, as entered by the provider. Search the Iowa 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. 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.