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

Individual provider Marriage & Family Therapist · NPI 1023306677

Jonathan D Herzog, MA is a Marriage & Family Therapist in San Leandro, California. Practices as a sole proprietor. Licensed in California and Washington.

Licensed in
CA, WA
In the registry since
2011
Specialties on file
2
What do these letters mean?
MA — Master of Arts
A graduate arts degree.

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Practice location Address checks out

2275 Arlington Dr
San Leandro, CA 94578-1132
Phone: (510) 317-1444
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LH60389198 (WA)
Marriage & Family Therapist Taxonomy 106H00000X · Licence 92225 (CA)

Record details

NPI number1023306677
Entity typeIndividual (Type 1)
GenderMale
Credentials MA
Sole proprietorYes
NPI enumeratedJuly 18, 2011
Last updated in NPPESDecember 8, 2022
Certification dateDecember 8, 2022

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