What is Joy Sweet's NPI number?

Joy Sweet's National Provider Identifier (NPI) is 1942420534, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Joy Sweet's specialty?

Joy Sweet is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).

Where is Joy Sweet located?

Joy Sweet's practice location on file with NPPES is 851 Fremont Ave, Los Altos, CA 94024-5698.

What is Joy Sweet's phone number?

The practice phone number listed in the NPPES registry for Joy Sweet is (650) 949-4025.

Is Joy Sweet's NPI active?

Yes — Joy Sweet's NPI (1942420534) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Joy Sweet, L.M.F.T.

NPI 1942420534 · Marriage & Family Therapist · Los Altos, CA

Joy Sweet, L.M.F.T. is a Marriage & Family Therapist provider in Los Altos, CA (NPI 1942420534).

Provider details

NPI number: 1942420534
Entity type: Individual
Primary specialty: Marriage & Family TherapistBehavioral Health & Social Service Providers
Credential: L.M.F.T.
Sex: Female
Sole proprietor: Yes
License: MFC19188 (CA)

Specialties & taxonomies

Marriage & Family TherapistPrimary106H00000XLicense MFC19188 (CA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(89/100 index)

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

Registry tenure38% of score
19 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

851 Fremont Ave

Suite 210

Los Altos, CA 94024-5698

Phone: (650) 949-4025

Fax: (650) 949-2033

Street-level locationGet directions

More CA providers

Mailing address

148 Jacinto Way

Sunnyvale, CA 94086-7027

Enumerated: 2007-04-26
Last updated: 2007-07-08

Frequently asked questions

What is Joy Sweet's NPI number?: Joy Sweet's National Provider Identifier (NPI) is 1942420534, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Joy Sweet's specialty?: Joy Sweet is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
Where is Joy Sweet located?: Joy Sweet's practice location on file with NPPES is 851 Fremont Ave, Los Altos, CA 94024-5698.
What is Joy Sweet's phone number?: The practice phone number listed in the NPPES registry for Joy Sweet is (650) 949-4025.
Is Joy Sweet's NPI active?: Yes — Joy Sweet's NPI (1942420534) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.