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

Dr. Zachary Charles Herzfeldt, MD

Individual provider Psychiatry Physician · NPI 1205215936

Dr. Zachary Charles Herzfeldt, MD is a Psychiatry Physician in Diamond Bar, California. Licensed in California. Registered with an NPI since 2015.

Licensed in
CA
In the registry since
2015
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

21015 Pathfinder Rd Ste 100
Diamond Bar, CA 91765-4002
Phone: (909) 468-2300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence A148801 (CA)

Record details

NPI number1205215936
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 27, 2015
Last updated in NPPESJuly 9, 2026
Certification dateJuly 9, 2026

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