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

Mark Callahan, LMFT

Individual provider Marriage & Family Therapist · NPI 1063563245

Mark Callahan, LMFT is a Marriage & Family Therapist in Victorville, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
Specialties on file
3
What do these letters mean?
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

See every abbreviation used in this directory →

Practice location Address checks out

12421 Hesperia Rd Ste 2
Victorville, CA 92395-7704
Phone: (760) 243-5417
Fax: (760) 780-4591
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 106759 (CA)
Marriage & Family Therapist Taxonomy 106H00000X
Day Training/Habilitation Specialist Taxonomy 373H00000X

Record details

NPI number1063563245
Entity typeIndividual (Type 1)
GenderMale
Credentials LMFT
Sole proprietorYes
NPI enumeratedJanuary 15, 2007
Last updated in NPPESApril 15, 2025
Certification dateApril 15, 2025
Mailing address12421 Hesperia Rd Ste 2, Victorville, CA 92395-7704

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