What is Sarah Yoo's NPI number?

Sarah Yoo's National Provider Identifier (NPI) is 1275886624, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sarah Yoo's specialty?

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

Where is Sarah Yoo located?

Sarah Yoo's practice location on file with NPPES is 44711 Cedar Ave, Lancaster, CA 93534-3216.

What is Sarah Yoo's phone number?

The practice phone number listed in the NPPES registry for Sarah Yoo is (661) 948-4661.

Is Sarah Yoo's NPI active?

Yes — Sarah Yoo's NPI (1275886624) is active in the NPPES registry as of the last update on 2026-06-04.

IndividualActive

Sarah Yoo, M.S.

NPI 1275886624 · Speech-Language Pathologist · Lancaster, CA

Sarah Yoo, M.S. is a Speech-Language Pathologist provider in Lancaster, CA (NPI 1275886624).

Provider details

NPI number: 1275886624
Entity type: Individual
Primary specialty: Speech-Language PathologistSpeech, Language and Hearing Service Providers
Credential: M.S.
Sex: Female
Sole proprietor: Yes
License: 21048 (CA)

Specialties & taxonomies

Speech-Language PathologistPrimary235Z00000XLicense 21048 (CA)
Speech, Language and Hearing Service Providers

Profile Score

Detailed profile(79/100 index)

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

Registry tenure38% of score
13 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

44711 Cedar Ave

Lancaster, CA 93534-3216

Phone: (661) 948-4661

Street-level locationGet directions

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Mailing address