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

Mr. Ron Dunchok, MD

Individual provider Internal Medicine Physician · NPI 1356331730

Mr. Ron Dunchok, MD is an Internal Medicine Physician in San Dimas, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2005
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

1334 W Covina Blvd Ste 204
San Dimas, CA 91773-3211
Phone: (909) 599-6300
Fax: (909) 305-2500
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A42469 (CA)

Record details

NPI number1356331730
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 26, 2005
Last updated in NPPESJanuary 7, 2017
Mailing address1330 West Covina Blvd Suite 204, San Dimas, CA 91773-3211

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