Caitlin Allen
NPI 1164885588 · Internal Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caitlin Allen is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1164885588).
Provider details
- NPI number
- 1164885588
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
- License
- 59049 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-04-02
- Last updated
- 2021-07-22
- Certified
- 2021-07-22
Frequently asked questions
- What is Caitlin Allen's NPI number?
- Caitlin Allen's National Provider Identifier (NPI) is 1164885588, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caitlin Allen's specialty?
- Caitlin Allen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Caitlin Allen located?
- Caitlin Allen's practice location on file with NPPES is 3311 N 44th St, Phoenix, AZ 85018-6461.
- What is Caitlin Allen's phone number?
- The practice phone number listed in the NPPES registry for Caitlin Allen is (480) 882-7360.
- Does Caitlin Allen accept Medicare?
- Caitlin Allen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caitlin Allen's NPI active?
- Yes — Caitlin Allen's NPI (1164885588) is active in the NPPES registry as of the last update on 2021-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.