IndividualActive
Mary Ann Colf, LCSW
NPI 1851623722 · Clinical Social Worker · Newhall, CA
Mary Ann Colf, LCSW is a Clinical Social Worker provider in Newhall, CA (NPI 1851623722).
Provider details
- NPI number
- 1851623722
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LCS16058 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
24123 Cross St
Newhall, CA 91321-3803
Phone: (661) 433-1638
Street-level locationGet directions
Mailing address
Po Box 222020
Newhall, CA 91322-2020
Registry dates
- Enumerated
- 2010-02-03
- Last updated
- 2010-02-03
Frequently asked questions
- What is Mary Ann Colf's NPI number?
- Mary Ann Colf's National Provider Identifier (NPI) is 1851623722, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ann Colf's specialty?
- Mary Ann Colf is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Ann Colf located?
- Mary Ann Colf's practice location on file with NPPES is 24123 Cross St, Newhall, CA 91321-3803.
- What is Mary Ann Colf's phone number?
- The practice phone number listed in the NPPES registry for Mary Ann Colf is (661) 433-1638.
- Is Mary Ann Colf's NPI active?
- Yes — Mary Ann Colf's NPI (1851623722) is active in the NPPES registry as of the last update on 2010-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.