William Garrett Ryan, CRNA
Certified Registered Nurse Anesthetist · Mesa, AZ
William Garrett Ryan, CRNA is a certified registered nurse anesthetist with a practice address in Mesa, Arizona, and NPI 1295215416, issued on Aug 16, 2018. Check the license (Arizona CRNA1550, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Garrett Ryan
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- CRNA1550 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1301 S Crismon RD, Mesa, AZ 85209
- Phone
- (480) 358-6100
- Enumerated
- Aug 16, 2018
- Record last updated
- Aug 16, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20181018000909); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 1,100 in Arizona → Look up another NPI →
Also registered at 1301 S Crismon RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karam Abi Karam, DOStudent in an Organized Health Care Education/Training Program1396535217
- Rodrigo Alvarez, DOInternal Medicine Physician1336717321
- Colton Andersen, DOStudent in an Organized Health Care Education/Training Program1477246023
- Liza Anwar, D.OHospitalist Physician1891229266
- Trenton Baker, DOAnesthesiology Physician1710340153
- Michelle Baribault, DOSurgery Physician1336672807
Verify William Garrett Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license CRNA1550Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 69.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Greater Anesthesia SolutionsMesa, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Garrett Ryan among 1,100 certified registered nurse anesthetist records in Arizona
William Garrett Ryan, CRNA is one of 1,100 certified registered nurse anesthetist records with a practice address in Arizona. 84% 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 58% of them.
- NPI issued2018 · 58% of these records are older, 38% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2018 · median 2017 among the 891 with a school on file
- Record last updated2018 · 43% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Certified Registered Nurse Anesthetist providers in Arizona
There are 1,100 certified registered nurse anesthetist records in Arizona.
All 1,100 in Arizona → Every provider in Mesa → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Geena BeyersdorfMesa, AZ 852091972272953
- Chad Boesl, CRNAMesa, AZ 852091265847065
- Joshua Davis, CRNAMesa, AZ 852091477012862
- Juancho Depaolo, CRNAMesa, AZ 852091063439834
- John DyorichMesa, AZ 852091528313798
- Jonathan Hooper, CRNAMesa, AZ 852091720914526
- Shqipe JashariMesa, AZ 852091245079763
- Trevor Page, CRNAMesa, AZ 852091194054403
Common questions
What is William Garrett Ryan, CRNA's NPI number?
William Garrett Ryan, CRNA's National Provider Identifier (NPI) is 1295215416, issued on Aug 16, 2018. An NPI identifies a provider in billing; it is not a license.
Where is William Garrett Ryan, CRNA located?
The NPPES record lists a practice address at 1301 S Crismon RD, Mesa, AZ, 85209. Phone: (480) 358-6100. Providers update this record themselves, so call before visiting.
How can I verify William Garrett Ryan, CRNA's license?
NPPES lists Arizona license number CRNA1550, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
What is William Garrett Ryan, CRNA's MIPS final score?
The 2023 MIPS final score is 69.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.