Allen Yu, MD
NPI 1396440566 · Internal Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allen Yu, MD is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1396440566).
Provider details
- NPI number
- 1396440566
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 80408 (CA)
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
3 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
- 2023-04-05
- Last updated
- 2026-06-03
- Certified
- 2026-06-03
Frequently asked questions
- What is Allen Yu's NPI number?
- Allen Yu's National Provider Identifier (NPI) is 1396440566, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allen Yu's specialty?
- Allen Yu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Allen Yu located?
- Allen Yu's practice location on file with NPPES is 400 N 32nd St, Phoenix, AZ 85008-6205.
- What is Allen Yu's phone number?
- The practice phone number listed in the NPPES registry for Allen Yu is (602) 839-3927.
- Does Allen Yu accept Medicare?
- Allen Yu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allen Yu's NPI active?
- Yes — Allen Yu's NPI (1396440566) is active in the NPPES registry as of the last update on 2026-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.