Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Caitlin Allen

Individual provider Internal Medicine Physician · NPI 1164885588

Caitlin Allen is an Internal Medicine in Phoenix, Arizona. Qualified in 2016, 10 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
10
Licensed in
AZ
In the registry since
2016
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Practice location Address checks out

4545 N 36th St Ste 106
Phoenix, AZ 85018-3473
Phone: (480) 589-9518
Fax: (833) 755-1825
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 59049 (AZ)

Record details

NPI number1164885588
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedApril 2, 2016
Last updated in NPPESJuly 20, 2026
Certification dateJuly 20, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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