Jun Yuan, M.D., Inc.
NPI 1831490580 · Internal Medicine Physician · Corona, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jun Yuan, M.D., Inc. is a Internal Medicine Physician organization in Corona, CA (NPI 1831490580).
Provider details
- NPI number
- 1831490580
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Jun Yuan, President(951) 808-8863
- License
- A70186 (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
15 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
- 2010-11-11
- Last updated
- 2012-02-27
Frequently asked questions
- What is Jun Yuan, M.D., Inc.'s NPI number?
- Jun Yuan, M.D., Inc.'s National Provider Identifier (NPI) is 1831490580, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jun Yuan, M.D., Inc.?
- Jun Yuan, M.D., Inc. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jun Yuan, M.D., Inc. located?
- Jun Yuan, M.D., Inc.'s practice location on file with NPPES is 1810 Fullerton Ave, Corona, CA 92881-3103.
- What is Jun Yuan, M.D., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Jun Yuan, M.D., Inc. is (951) 808-8863.
- Does Jun Yuan, M.D., Inc. accept Medicare?
- Jun Yuan, M.D., 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 Jun Yuan, M.D., Inc.?
- The authorized official listed on Jun Yuan, M.D., Inc.'s NPPES record is Jun Yuan, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jun Yuan, M.D., Inc.'s NPI active?
- Yes — Jun Yuan, M.D., Inc.'s NPI (1831490580) is active in the NPPES registry as of the last update on 2012-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.