Caitlin Marie Guinn, APRN, FNP-BC
Family Nurse Practitioner · Prescott, AZ
Caitlin Marie Guinn, APRN, FNP-BC is a family nurse practitioner with a practice address in Prescott, Arizona, and NPI 1265064539, issued on Feb 5, 2020. Check the license (Arizona 239846, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Caitlin Marie Guinn
- Credential
- APRN, FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 239846 AZ
A191723 IA
1265064539 MN
1113388 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3623 Crossings Dr Ste 206, Prescott, AZ 86305
- Phone
- (866) 849-0692
- Enumerated
- Feb 5, 2020
- Record last updated
- Jul 17, 2026
- Medicare enrollment
- Enrolled (PECOS I20200821001014); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,933 in Arizona → Look up another NPI →
Also registered at 3623 Crossings Dr Ste 206
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Grace Chien, DNP, FNP-CPrimary Care Nurse Practitioner1164262143
- Kelley Corl, NP-CNurse Practitioner1699374371
- Michelle Dawson-Harrel, PA-CPhysician Assistant1376913194
Verify Caitlin Marie Guinn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 239846Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family nurse practitioner in 2024
47 Medicare Part D claims for 16 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Alante Primary Care And Palliative Services LLCScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caitlin Marie Guinn among 5,933 family nurse practitioner records in Arizona
Caitlin Marie Guinn, APRN, FNP-BC is one of 5,933 family nurse practitioner records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 60% of them.
- NPI issued2020 · 60% of these records are older, 34% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2020 · median 2019 among the 3,510 with a school on file
- Record last updated2026 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
99 family nurse practitioner records list a practice address in Prescott
They are 99 of the 1,818 NPPES records with a practice address in Prescott, and 5,933 family nurse practitioner records in Arizona.
All 5,933 in Arizona → Every provider in Prescott → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Brenda Austin, NP-CPrescott, AZ 863051013959964
- Judy Bandy, FNPPrescott, AZ 863051922022086
- Diane Barrera, NPPrescott, AZ 863051689097792
- Janis Bowers, N.P.Prescott, AZ 863051649277922
- Thomas Gann, N.P.Prescott, AZ 863051073866406
- Debra Krupnick, FNPPrescott, AZ 863051568412781
- Debra Lessner, FNPPrescott, AZ 863051104153816
- Eileen Mahler, FNPPrescott, AZ 863051922438563
Common questions
What is Caitlin Marie Guinn, APRN, FNP-BC's NPI number?
Caitlin Marie Guinn, APRN, FNP-BC's National Provider Identifier (NPI) is 1265064539, issued on Feb 5, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Caitlin Marie Guinn, APRN, FNP-BC located?
The NPPES record lists a practice address at 3623 Crossings Dr Ste 206, Prescott, AZ, 86305. Phone: (866) 849-0692. Providers update this record themselves, so call before visiting.
How can I verify Caitlin Marie Guinn, APRN, FNP-BC's license?
NPPES lists Arizona license number 239846, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Caitlin Marie Guinn, APRN, FNP-BC prescribe under Medicare Part D?
In 2024, Caitlin Marie Guinn, APRN, FNP-BC had 47 Medicare Part D claims for 16 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.
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.