What is Darlene Woo's NPI number?

Darlene Woo's National Provider Identifier (NPI) is 1386253821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Darlene Woo's specialty?

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

Where is Darlene Woo located?

Darlene Woo's practice location on file with NPPES is 10113 Alta Sierra Dr Ste 101, Grass Valley, CA 95949-6896.

What is Darlene Woo's phone number?

The practice phone number listed in the NPPES registry for Darlene Woo is (530) 559-5388.

Is Darlene Woo's NPI active?

Yes — Darlene Woo's NPI (1386253821) is active in the NPPES registry as of the last update on 2024-04-29.

IndividualActive

Darlene Woo

NPI 1386253821 · Marriage & Family Therapist · Grass Valley, CA

Darlene Woo is a Marriage & Family Therapist provider in Grass Valley, CA (NPI 1386253821).

Provider details

NPI number: 1386253821
Entity type: Individual
Primary specialty: Marriage & Family TherapistBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Marriage & Family TherapistPrimary106H00000XLicense 143191 (CA)
Behavioral Health & Social Service Providers
Addiction (Substance Use Disorder) Counselor101YA0400X
Behavioral Health & Social Service Providers
Mental Health Counselor101YM0800XLicense AMFT130107 (CA)
Behavioral Health & Social Service Providers
Mental Health Counselor101YM0800XLicense LMFT143191
Behavioral Health & Social Service Providers
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Profile Score

Established profile(57/100 index)

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

Registry tenure38% of score
5 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

10113 Alta Sierra Dr Ste 101

Grass Valley, CA 95949-6896

Phone: (530) 559-5388

Street-level locationGet directions

More CA providers

Mailing address

6040 W Mira Rd

Prescott, AZ 86305-0059

Enumerated: 2020-07-30
Last updated: 2024-04-29
Certified: 2024-04-29

Frequently asked questions

What is Darlene Woo's NPI number?: Darlene Woo's National Provider Identifier (NPI) is 1386253821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Darlene Woo's specialty?: Darlene Woo is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
Where is Darlene Woo located?: Darlene Woo's practice location on file with NPPES is 10113 Alta Sierra Dr Ste 101, Grass Valley, CA 95949-6896.
What is Darlene Woo's phone number?: The practice phone number listed in the NPPES registry for Darlene Woo is (530) 559-5388.
Is Darlene Woo's NPI active?: Yes — Darlene Woo's NPI (1386253821) is active in the NPPES registry as of the last update on 2024-04-29.

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