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

Dr. Guy Wayne Grenny, PHD

Individual provider Marriage & Family Therapist · NPI 1942303292

Dr. Guy Wayne Grenny, PHD is a Marriage & Family Therapist in Fort Bragg, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

31325 Sherwood Rd
Fort Bragg, CA 95437-4024
Phone: (707) 961-0733
Fax: (707) 961-0675
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence MFT1139 (CA)

Record details

NPI number1942303292
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedSeptember 5, 2006
Last updated in NPPESJuly 8, 2007
Mailing address347 Cypress Street, Suite B, Fort Bragg, CA 95437-4024

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