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

Preston R Simpson, MD

Individual provider Clinical Pathology/Laboratory Medicine Physician · NPI 1265453021

Preston R Simpson, MD is a Clinical Pathology/Laboratory Medicine 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.

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Practice location Address checks out

1303 E Herndon Ave
Fresno, CA 93720
Phone: (559) 449-5360
Fax: (559) 449-3347
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Pathology/Laboratory Medicine Physician (primary) Taxonomy 207ZP0105X · Licence G58006 (CA)

Record details

NPI number1265453021
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 21, 2006
Last updated in NPPESMay 29, 2008
Mailing addressPo Box 26750, Fresno, CA 93729-6750

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