Hee Yong Oh MD Inc
NPI 1457636094 · Internal Medicine Physician · West Covina, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hee Yong Oh MD Inc is a Internal Medicine Physician organization in West Covina, CA (NPI 1457636094).
Provider details
- NPI number
- 1457636094
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Hee Yong Oh, Owner(626) 962-2421
- License
- FN230A (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
Mailing address
Registry dates
- Enumerated
- 2011-10-14
- Last updated
- 2011-12-16
Frequently asked questions
- What is Hee Yong Oh MD Inc's NPI number?
- Hee Yong Oh MD Inc's National Provider Identifier (NPI) is 1457636094, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Hee Yong Oh MD Inc?
- Hee Yong Oh MD Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hee Yong Oh MD Inc located?
- Hee Yong Oh MD Inc's practice location on file with NPPES is 1433 W Merced Ave Ste 207, West Covina, CA 91790-3402.
- What is Hee Yong Oh MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Hee Yong Oh MD Inc is (626) 962-2421.
- Does Hee Yong Oh MD Inc accept Medicare?
- Hee Yong Oh MD Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Hee Yong Oh MD Inc?
- The authorized official listed on Hee Yong Oh MD Inc's NPPES record is Hee Yong Oh, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Hee Yong Oh MD Inc's NPI active?
- Yes — Hee Yong Oh MD Inc's NPI (1457636094) is active in the NPPES registry as of the last update on 2011-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.