IndividualActive
Margaret Tahan, LCSW
NPI 1366411886 · Clinical Social Worker · Mather, CA
Margaret Tahan, LCSW is a Clinical Social Worker provider in Mather, CA (NPI 1366411886).
Provider details
- NPI number
- 1366411886
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- License
- LCS20059 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
10633 Grissom Ave
Mather, CA 95655-4123
Phone: (916) 366-5427
Fax: (916) 366-5441
Street-level locationGet directions
Mailing address
Po Box 73221
Davis, CA 95617-3221
Registry dates
- Enumerated
- 2006-03-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Margaret Tahan's NPI number?
- Margaret Tahan's National Provider Identifier (NPI) is 1366411886, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Tahan's specialty?
- Margaret Tahan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Margaret Tahan located?
- Margaret Tahan's practice location on file with NPPES is 10633 Grissom Ave, Mather, CA 95655-4123.
- What is Margaret Tahan's phone number?
- The practice phone number listed in the NPPES registry for Margaret Tahan is (916) 366-5427.
- Is Margaret Tahan's NPI active?
- Yes — Margaret Tahan's NPI (1366411886) 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.