What is Joanna Ji's NPI number?

Joanna Ji's National Provider Identifier (NPI) is 1598619421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Joanna Ji's specialty?

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

Where is Joanna Ji located?

Joanna Ji's practice location on file with NPPES is 333 S Beaudry Ave, Los Angeles, CA 90017-1466.

What is Joanna Ji's phone number?

The practice phone number listed in the NPPES registry for Joanna Ji is (213) 241-6200.

Is Joanna Ji's NPI active?

Yes — Joanna Ji's NPI (1598619421) is active in the NPPES registry as of the last update on 2026-02-26.

IndividualActive

Joanna Ji, MS

NPI 1598619421 · Speech-Language Pathologist · Los Angeles, CA

Joanna Ji, MS is a Speech-Language Pathologist provider in Los Angeles, CA (NPI 1598619421).

Provider details

NPI number: 1598619421
Entity type: Individual
Primary specialty: Speech-Language PathologistSpeech, Language and Hearing Service Providers
Credential: MS
Sex: Female
Sole proprietor: No
License: 37365 (CA)

Specialties & taxonomies

Speech-Language PathologistPrimary235Z00000XLicense 37365 (CA)
Speech, Language and Hearing Service Providers

Profile Score

Established profile(53/100 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

333 S Beaudry Ave

Los Angeles, CA 90017-1466

Phone: (213) 241-6200

Street-level locationGet directions

More CA providers

Mailing address