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

Dr. David Patrick Gennis, PSYD, LMFT

Individual provider Marriage & Family Therapist · NPI 1558439935

Dr. David Patrick Gennis, PSYD, LMFT is a Clinical Psychologist in San Bernardino, California. Qualified in 2010, 16 years ago. Practices with Great Mind Counseling and Wellness Center LLC, a 3-clinician group and works from 2 locations. Licensed in California and Nevada.

Years since qualifying
16
Licensed in
CA, NV
In the registry since
2006
Specialties on file
2
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.
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

441 Mackay Dr
San Bernardino, CA 92408-3230
Phone: (909) 279-3711
Fax: (909) 267-6087
Show map & directions

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

Additional practice locations (1)

  • 5915 S Rainbow Blvd Ste 105, Las Vegas, NV 89118-2558 — (702) 209-0370

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence #01166 (NV)
Marriage & Family Therapist Taxonomy 106H00000X · Licence MFC46820 (CA)

Record details

NPI number1558439935
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD , LMFT
Sole proprietorNo
NPI enumeratedDecember 1, 2006
Last updated in NPPESJuly 14, 2026
Certification dateJuly 14, 2026

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Great Mind Counseling And Wellness Center Llc — 3 clinicians
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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