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Alfonso Tan, MD
NPI 1295826519 · Internal Medicine Physician · Mesa, AZ
Alfonso Tan, MD is a Internal Medicine Physician provider in Mesa, AZ (NPI 1295826519).
Provider details
- NPI number
- 1295826519
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 22583 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(95/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
6242 E Arbor Ave # 111-113
Mesa, AZ 85206-1309
Phone: (480) 536-6863
Fax: (480) 718-1301
Street-level locationGet directions
Mailing address
6242 E Arbor Ave # 111-113
Mesa, AZ 85206-1309
Additional practice locations (1)
- 6844 E Brown Rd Ste 101Mesa, AZ 85207-3758Phone: (480) 832-5500
Registry dates
- Enumerated
- 2006-09-28
- Last updated
- 2021-06-17
- Certified
- 2021-06-17
Frequently asked questions
- What is Alfonso Tan's NPI number?
- Alfonso Tan's National Provider Identifier (NPI) is 1295826519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alfonso Tan's specialty?
- Alfonso Tan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alfonso Tan located?
- Alfonso Tan's practice location on file with NPPES is 6242 E Arbor Ave # 111-113, Mesa, AZ 85206-1309.
- What is Alfonso Tan's phone number?
- The practice phone number listed in the NPPES registry for Alfonso Tan is (480) 536-6863.
- Is Alfonso Tan's NPI active?
- Yes — Alfonso Tan's NPI (1295826519) is active in the NPPES registry as of the last update on 2021-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.