What is Mary Ann Tan's NPI number?

Mary Ann Tan's National Provider Identifier (NPI) is 1255648499, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Ann Tan's specialty?

Mary Ann Tan is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Mary Ann Tan located?

Mary Ann Tan's practice location on file with NPPES is 30 Palatine Apt 428, Irvine, CA 92612-8875.

What is Mary Ann Tan's phone number?

The practice phone number listed in the NPPES registry for Mary Ann Tan is (714) 883-1722.

Is Mary Ann Tan's NPI active?

Yes — Mary Ann Tan's NPI (1255648499) is active in the NPPES registry as of the last update on 2010-09-09.

IndividualActive

Mary Ann Tan, RN

NPI 1255648499 · Registered Nurse · Irvine, CA

Mary Ann Tan, RN is a Registered Nurse provider in Irvine, CA (NPI 1255648499).

Provider details

NPI number: 1255648499
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Credential: RN
Sex: Female
Sole proprietor: Yes
License: 756151 (CA)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 756151 (CA)
Nursing Service Providers

Profile Score

Detailed profile(83/100 index)

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

Registry tenure38% of score
15 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

30 Palatine Apt 428

Irvine, CA 92612-8875

Phone: (714) 883-1722

Street-level locationGet directions

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Mailing address