What is Heidi Tan's NPI number?

Heidi Tan's National Provider Identifier (NPI) is 1891635934, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Heidi Tan's specialty?

Heidi Tan is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).

Where is Heidi Tan located?

Heidi Tan's practice location on file with NPPES is 1001 Health Sciences Rd, Irvine, CA 92617-3054.

What is Heidi Tan's phone number?

The practice phone number listed in the NPPES registry for Heidi Tan is (949) 824-6119.

Is Heidi Tan's NPI active?

Yes — Heidi Tan's NPI (1891635934) is active in the NPPES registry as of the last update on 2026-03-30.

IndividualActive

Heidi Tan

NPI 1891635934 · Student in an Organized Health Care Education/Training Program · Irvine, CA

Heidi Tan is a Student in an Organized Health Care Education/Training Program provider in Irvine, CA (NPI 1891635934).

Provider details

NPI number: 1891635934
Entity type: Individual
Primary specialty: Student in an Organized Health Care Education/Training ProgramStudent, Health Care
Sole proprietor: No

Specialties & taxonomies

Student in an Organized Health Care Education/Training ProgramPrimary390200000X
Student, Health Care

Profile Score

Basic profile(46/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% 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

1001 Health Sciences Rd

Irvine, CA 92617-3054

Phone: (949) 824-6119

Street-level locationGet directions

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Mailing address