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

Robert Hierholzer, MD

Individual provider Psychiatry Physician · NPI 1174583710

Robert Hierholzer, MD is a Psychiatry Physician in Fresno, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

2615 E Clinton Ave
Fresno, CA 93703-2223
Phone: (559) 225-6100
Fax: (559) 228-6943
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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 C40939 (CA)

Record details

NPI number1174583710
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 27, 2006
Last updated in NPPESJuly 13, 2026
Mailing address2615 E Clinton Ave, Fresno, CA 93703-2223

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