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

Dr. Siddhartha Kumar, MD

Individual provider Psychiatry Physician · NPI 1265464374

Dr. Siddhartha Kumar, MD is a Psychiatry Physician in Diamond Bar, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

1336 Bridgegate Dr
Diamond Bar, CA 91765-3955
Phone: (626) 960-4844
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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 C54200 (CA)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X · Licence C54200 (CA)

Record details

NPI number1265464374
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2006
Last updated in NPPESDecember 8, 2021
Mailing address1336 Bridgegate Dr, Diamond Bar, CA 91765-3955

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