NPPES file of Aug 9, 2026

Caylin Jeanne Geren, DNAP

Certified Registered Nurse Anesthetist · Tucson, AZ

Caylin Jeanne Geren, DNAP is a certified registered nurse anesthetist with a practice address in Tucson, Arizona, and NPI 1477373025, issued on Oct 16, 2024. Check the license (Arizona 233856, 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
1477373025
Name
Caylin Jeanne Geren
Credential
DNAP
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
233856 AZ
229611 AK
Self-reported in NPPES; status is on the state search
Practice location
1601 W Saint Marys RD, Tucson, AZ 85745
Phone
(520) 872-3000
Enumerated
Oct 16, 2024
Record last updated
Aug 20, 2025
Medicare enrollment
Enrolled (PECOS I20250903004322); 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 1601 W Saint Marys RD

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

  1. Taana Abbitt, LMSWSocial Worker1730343021
  2. Hiram Albino, MDEmergency Medicine Physician1568676229
  3. Maham Anser, MDHospitalist Physician1437711231
  4. Andrew Aubuchon, P.T.Physical Therapist1831342047
  5. Scott Baadte, PTPhysical Therapist1851527444
  6. Kristen Barrett, MDGastroenterology Physician1538455704

Verify Caylin Jeanne Geren 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 233856    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. Anesthesia Partners And Management LLCTucson, AZ

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

Caylin Jeanne Geren among 1,100 certified registered nurse anesthetist records in Arizona

Caylin Jeanne Geren, DNAP 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 2024, is newer than 88% of them.

  • NPI issued2024 · 88% of these records are older, 8% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2024 · median 2017 among the 891 with a school on file
  • Record last updated2025 · 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 Tucson → Certified Registered Nurse Anesthetist nationwide →

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

  1. Kelly McMahonTucson, AZ 857451417517152
  2. Veronica Morvay, DNP CRNATucson, AZ 857451083428601
  3. Trent Sigler, CRNATucson, AZ 857451750609541
  4. Joshua Zack, DNP, CRNATucson, AZ 857451881250835
  5. Robert Lewis, CRNATucson, AZ 857461780681205
  6. Phillip BullingtonTucson, AZ 857471942812359
  7. Brooklyn CastillaTucson, AZ 857471114653979
  8. Janet Ray, C.R.N.A.Tucson, AZ 857431760445845

Common questions

What is Caylin Jeanne Geren, DNAP's NPI number?

Caylin Jeanne Geren, DNAP's National Provider Identifier (NPI) is 1477373025, issued on Oct 16, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Caylin Jeanne Geren, DNAP located?

The NPPES record lists a practice address at 1601 W Saint Marys RD, Tucson, AZ, 85745. Phone: (520) 872-3000. Providers update this record themselves, so call before visiting.

How can I verify Caylin Jeanne Geren, DNAP's license?

NPPES lists Arizona license number 233856, 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.