Deanna Darby, MFT
NPI 1457791477 · Marriage & Family Therapist · Grass Valley, CA
Deanna Darby, MFT is a Marriage & Family Therapist provider in Grass Valley, CA (NPI 1457791477).
Provider details
- NPI number
- 1457791477
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- MFC 40985 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
Mailing address
Registry dates
- Enumerated
- 2013-07-05
- Last updated
- 2013-07-05
Frequently asked questions
- What is Deanna Darby's NPI number?
- Deanna Darby's National Provider Identifier (NPI) is 1457791477, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deanna Darby's specialty?
- Deanna Darby is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Deanna Darby located?
- Deanna Darby's practice location on file with NPPES is 226 Colfax Ave, Grass Valley, CA 95945-6880.
- What is Deanna Darby's phone number?
- The practice phone number listed in the NPPES registry for Deanna Darby is (530) 263-1914.
- Is Deanna Darby's NPI active?
- Yes — Deanna Darby's NPI (1457791477) is active in the NPPES registry as of the last update on 2013-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.