What is Annie Liao's NPI number?

Annie Liao's National Provider Identifier (NPI) is 1598440109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Annie Liao's specialty?

Annie Liao is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).

Where is Annie Liao located?

Annie Liao's practice location on file with NPPES is 1150 Tilton Dr, Sunnyvale, CA 94087-2440.

What is Annie Liao's phone number?

The practice phone number listed in the NPPES registry for Annie Liao is (510) 378-9206.

Is Annie Liao's NPI active?

Yes — Annie Liao's NPI (1598440109) is active in the NPPES registry as of the last update on 2026-02-23.

IndividualActive

Annie Liao, MS

NPI 1598440109 · Speech-Language Pathologist · Sunnyvale, CA

Annie Liao, MS is a Speech-Language Pathologist provider in Sunnyvale, CA (NPI 1598440109).

Provider details

NPI number: 1598440109
Entity type: Individual
Primary specialty: Speech-Language PathologistSpeech, Language and Hearing Service Providers
Credential: MS
Sex: Female
Sole proprietor: No
License: 20421 (CA)

Specialties & taxonomies

Speech-Language PathologistPrimary235Z00000XLicense 20421 (CA)
Speech, Language and Hearing Service Providers

Profile Score

Established profile(58/100 index)

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

1150 Tilton Dr

Sunnyvale, CA 94087-2440

Phone: (510) 378-9206

Street-level locationGet directions

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Mailing address