What is Katherine Duffy's NPI number?

Katherine Duffy's National Provider Identifier (NPI) is 1619263316, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Katherine Duffy's specialty?

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

Where is Katherine Duffy located?

Katherine Duffy's practice location on file with NPPES is 33 Thornton Ave, Venice, CA 90291-2518.

What is Katherine Duffy's phone number?

The practice phone number listed in the NPPES registry for Katherine Duffy is (562) 826-5415.

Is Katherine Duffy's NPI active?

Yes — Katherine Duffy's NPI (1619263316) is active in the NPPES registry as of the last update on 2011-06-22.

IndividualActive

Katherine Duffy, M.A.

NPI 1619263316 · Speech-Language Pathologist · Venice, CA

Katherine Duffy, M.A. is a Speech-Language Pathologist provider in Venice, CA (NPI 1619263316).

Provider details

NPI number: 1619263316
Entity type: Individual
Primary specialty: Speech-Language PathologistSpeech, Language and Hearing Service Providers
Credential: M.A.
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Speech-Language PathologistPrimary235Z00000X
Speech, Language and Hearing Service Providers

Profile Score

Detailed profile(75/100 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
83% 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

33 Thornton Ave

Venice, CA 90291-2518

Phone: (562) 826-5415

Street-level locationGet directions

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Mailing address