What is Joanna Liang's NPI number?

Joanna Liang's National Provider Identifier (NPI) is 1891665832, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Joanna Liang's specialty?

Joanna Liang is listed in the NPPES registry with a primary specialty of Dental Hygienist (Dental Providers).

Where is Joanna Liang located?

Joanna Liang's practice location on file with NPPES is Po Box 8252, Rowland Heights, CA 91748-0252.

What is Joanna Liang's phone number?

The practice phone number listed in the NPPES registry for Joanna Liang is (626) 693-6936.

Is Joanna Liang's NPI active?

Yes — Joanna Liang's NPI (1891665832) is active in the NPPES registry as of the last update on 2025-11-06.

IndividualActive

Joanna Liang

NPI 1891665832 · Dental Hygienist · Rowland Heights, CA

Joanna Liang is a Dental Hygienist provider in Rowland Heights, CA (NPI 1891665832).

Provider details

NPI number: 1891665832
Entity type: Individual
Primary specialty: Dental HygienistDental Providers
Sex: Female
Sole proprietor: Yes
License: RDHAP1186 (CA)

Specialties & taxonomies

Dental HygienistPrimary124Q00000XLicense RDHAP1186 (CA)
Dental Providers

Profile Score

Established profile(54/100 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
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

Po Box 8252

Rowland Heights, CA 91748-0252

Phone: (626) 693-6936

Approximate (ZIP-level) locationGet directions

More CA providers

Mailing address