Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

MS. Mary Best, LCSW

Individual provider Clinical Social Worker · NPI 1447420609

MS. Mary Best, LCSW is a Clinical Social Worker in Twentynine Palms, California. Qualified in 1984, 42 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California and Maryland.

Years since qualifying
42
Licensed in
CA, MD
In the registry since
2008
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

5430 Jade Ln
Twentynine Palms, CA 92277
Phone: (301) 538-7549
Fax: (301) 779-6466
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LCSW70630 (CA)
Clinical Social Worker Taxonomy 1041C0700X · Licence 10041 (MD)

Record details

NPI number1447420609
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMarch 4, 2008
Last updated in NPPESMarch 31, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1984 (42 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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