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MR. RON DUNCHOK MD
NPI 1356331730
Internal Medicine in San Dimas, CA

Active since October 26, 2005
1334 WEST COVINA BLVD, SUITE 204, SAN DIMAS, CA 91773(909) 599-6300(909) 305-2500 Get Directions Write a Review

NPPES record last updated: January 7, 2017. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 7, 2017, Mar 31, 2016 (2 updates tracked since 2016).

About Mr. Ron Dunchok Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. RON DUNCHOK MD (NPI 1356331730) is an individual internal medicine provider in San Dimas, California, licensed in California (A42469) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1356331730
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. RON DUNCHOKCredential: MD
Location Address1334 WEST COVINA BLVD, SUITE 204San Dimas, CA 91773-3211
Mailing Address1330 West Covina Blvd Suite 204San Dimas, CA 91773-3211 · (909) 599-6300 · Fax (909) 305-2500
Phone(909) 599-6300
Fax(909) 305-2500
Sole ProprietorYes
Enumeration DateOctober 26, 2005
Last NPPES UpdateJanuary 7, 20172 updates tracked since enumeration
✔ NPI 1356331730 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A42469
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1334 WEST COVINA BLVD, San Dimas, CA 91773
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Other Identifiers 3

Medicaid00A424690CA
Medicare UPINA29585
Medicare ID-Type UnspecifiedA42469CA

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ron Dunchok's NPI number?

The NPI number for Ron Dunchok is 1356331730. It was assigned to this individual provider in the NPPES registry on October 26, 2005.

Where is Ron Dunchok located?

Ron Dunchok practices at 1334 West Covina Blvd Suite 204, San Dimas, CA 91773. The listed phone number is (909) 599-6300.

What is Ron Dunchok's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Ron Dunchok was last updated on January 7, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.