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

Joshua Ahn, MD

Individual provider Psychiatry Physician · NPI 1528755816

Joshua Ahn, MD is a Psychiatry Physician in Colton, California. Licensed in California. Registered with an NPI since 2023.

Licensed in
CA
In the registry since
2023
Specialties on file
2
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

400 N Pepper Ave
Colton, CA 92324-1801
Phone: (510) 525-6927
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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 204854 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1528755816
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 18, 2023
Last updated in NPPESSeptember 8, 2025
Certification dateSeptember 8, 2025
Mailing address400 N Pepper Ave, Colton, CA 92324-1801

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