Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Irvin Hafer Collins, MFT-A

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1083021844

Irvin Hafer Collins, MFT-A is an Addiction (Substance Use Disorder) Counselor in Diamond Springs, California. Practices as a sole proprietor and works from 3 locations. Licensed in California.

Licensed in
CA
In the registry since
2014
Specialties on file
2
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Practice location Address checks out

768 Pleasant Valley Rd
Diamond Springs, CA 95619-9260
Phone: (530) 621-6134
Fax: (530) 303-1526
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 7000b S Center Dr, Clearlake, CA 95422-8131 — (707) 994-7090
  • 1313 Cutting Blvd, Richmond, CA 94804-2554 — (510) 232-0874

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 126532 (CA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X

Record details

NPI number1083021844
Entity typeIndividual (Type 1)
GenderMale
Credentials MFT-A
Sole proprietorYes
NPI enumeratedJuly 14, 2014
Last updated in NPPESDecember 10, 2025
Certification dateDecember 10, 2025

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