Nancy Twist, MFT
NPI 1689822777 · Marriage & Family Therapist · Monrovia, CA
Nancy Twist, MFT is a Marriage & Family Therapist provider in Monrovia, CA (NPI 1689822777).
Provider details
- NPI number
- 1689822777
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- 43299 (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
17 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
- 2008-09-03
- Last updated
- 2008-09-03
Frequently asked questions
- What is Nancy Twist's NPI number?
- Nancy Twist's National Provider Identifier (NPI) is 1689822777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Twist's specialty?
- Nancy Twist is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Nancy Twist located?
- Nancy Twist's practice location on file with NPPES is 521 1/2 S Myrtle Ave, Monrovia, CA 91016-5189.
- What is Nancy Twist's phone number?
- The practice phone number listed in the NPPES registry for Nancy Twist is (626) 932-1009.
- Is Nancy Twist's NPI active?
- Yes — Nancy Twist's NPI (1689822777) is active in the NPPES registry as of the last update on 2008-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.