IndividualActive
Ron Dunchok, MD
NPI 1356331730 · Internal Medicine Physician · San Dimas, CA
Ron Dunchok, MD is a Internal Medicine Physician provider in San Dimas, CA (NPI 1356331730).
Provider details
- NPI number
- 1356331730
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A42469 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1334 West Covina Blvd
Suite 204
San Dimas, CA 91773-3211
Phone: (909) 599-6300
Fax: (909) 305-2500
Street-level locationGet directions
Mailing address
1330 West Covina Blvd Suite 204
San Dimas, CA 91773-3211
Registry dates
- Enumerated
- 2005-10-26
- Last updated
- 2017-01-07
Frequently asked questions
- What is Ron Dunchok's NPI number?
- Ron Dunchok's National Provider Identifier (NPI) is 1356331730, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ron Dunchok's specialty?
- Ron Dunchok is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ron Dunchok located?
- Ron Dunchok's practice location on file with NPPES is 1334 West Covina Blvd, San Dimas, CA 91773-3211.
- What is Ron Dunchok's phone number?
- The practice phone number listed in the NPPES registry for Ron Dunchok is (909) 599-6300.
- Is Ron Dunchok's NPI active?
- Yes — Ron Dunchok's NPI (1356331730) is active in the NPPES registry as of the last update on 2017-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.