NPPES file of Aug 9, 2026

Caitlin Mary Welch

Certified Registered Nurse Anesthetist · Mesa, AZ

Caitlin Mary Welch is a certified registered nurse anesthetist with a practice address in Mesa, Arizona, and NPI 1215676507, issued on Jun 3, 2022. Check the license (Arizona 275469, as entered in NPPES) with the Arizona 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
1215676507
Name
Caitlin Mary Welch
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
275469 AZ
Self-reported in NPPES; status is on the state search
Practice location
6644 E Baywood Ave, Mesa, AZ 85206
Phone
(480) 321-2000
Enumerated
Jun 3, 2022
Record last updated
Sep 1, 2022
Medicare enrollment
Enrolled (PECOS I20230126001195); 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 1,100 in Arizona → Look up another NPI →

Also registered at 6644 E Baywood Ave

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

  1. Firas Abbas, M.D. M.P.H.Internal Medicine Physician1336481407
  2. Hassan Abbas, D.O.Internal Medicine Physician1477294775
  3. Jose Acosta, RPARadiology Practitioner Assistant1376721076
  4. Melissa Albers, CRNACertified Registered Nurse Anesthetist1386183481
  5. Maria Alexov, M.D.Infectious Disease Physician1952361271
  6. Ayman Alhadheri, MDEmergency Medicine Physician1184205403

Verify Caitlin Mary Welch in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 275469    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 Arizona 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. Greater Anesthesia SolutionsMesa, AZ

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

Caitlin Mary Welch among 1,100 certified registered nurse anesthetist records in Arizona

Caitlin Mary Welch 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 2022, is newer than 78% of them.

  • NPI issued2022 · 78% of these records are older, 17% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2022 · median 2017 among the 891 with a school on file
  • Record last updated2022 · 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

  1. Melissa Albers, CRNAMesa, AZ 852061386183481
  2. Derek Allen, CRNAMesa, AZ 852061912547597
  3. Sara Brown, CRNAMesa, AZ 852061689123960
  4. Justin Burton, CRNAMesa, AZ 852061700273018
  5. Taylor Cozzens, CRNAMesa, AZ 852061316333032
  6. Thomas Freeland, CRNAMesa, AZ 852061720271729
  7. James Grubbs, CRNAMesa, AZ 852061639255037
  8. Ryan Jensen, CRNAMesa, AZ 852061649696576

Common questions

What is Caitlin Mary Welch's NPI number?

Caitlin Mary Welch's National Provider Identifier (NPI) is 1215676507, issued on Jun 3, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Caitlin Mary Welch located?

The NPPES record lists a practice address at 6644 E Baywood Ave, Mesa, AZ, 85206. Phone: (480) 321-2000. Providers update this record themselves, so call before visiting.

How can I verify Caitlin Mary Welch's license?

NPPES lists Arizona license number 275469, as entered by the provider. Search the Arizona 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.