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JUN YUAN, M.D., INC.
NPI 1831490580
Internal Medicine in Corona, CA

Active since November 11, 2010
1810 FULLERTON AVE, SUITE 102, CORONA, CA 92881(951) 808-8863(951) 272-9924 Get Directions Write a Review

NPPES record last updated: February 27, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Jun Yuan, M.d., Inc. NPPES

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

JUN YUAN, M.D., INC. (NPI 1831490580) is a healthcare organization registered as an internal medicine in Corona, California and active in the NPI registry since November 2010. The organization lists Jun Yuan, President, as its authorized official.

NPPES Registry Identity

NPI1831490580
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameJUN YUAN, M.D., INC.
Location Address1810 FULLERTON AVE, SUITE 102Corona, CA 92881-3103
Mailing Address1810 Fullerton Ave, Suite 102Corona, CA 92881-3103 · (951) 808-8863 · Fax (951) 272-9924
Phone(951) 808-8863
Fax(951) 272-9924
Organization SubpartNo
Authorized OfficialJun YuanPresident · (951) 808-8863
Enumeration DateNovember 11, 2010
Last NPPES UpdateFebruary 27, 2012
✔ NPI 1831490580 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 · A70186
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.
1810 FULLERTON AVE, Corona, CA 92881
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Other Identifiers 4

Medicare UPINH33001CA
Medicaid00A701860CA
Medicare PIN00A701861CA
OtherA70186CA · Ca Medical License

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jun Yuan, M.d., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Jun Yuan, M.D., Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Jun Yuan, M.D.
Internal Medicine
NPI 1962461368
1810 FULLERTON AVE SUITE 102
Corona, CA 92881
(951) 808-8863
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Jun Yuan, M.D., Inc.'s NPI number?

The NPI number for Jun Yuan, M.D., Inc. is 1831490580. It was assigned to this organization in the NPPES registry on November 11, 2010.

Where is Jun Yuan, M.D., Inc. located?

Jun Yuan, M.D., Inc. is located at 1810 Fullerton Ave Suite 102, Corona, CA 92881. The listed phone number is (951) 808-8863.

What is Jun Yuan, M.D., Inc.'s specialty?

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

Is Jun Yuan, M.D., Inc. enrolled in Medicare?

Yes. Jun Yuan, M.D., Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Jun Yuan, M.D., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Jun Yuan, M.D., Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Jun Yuan, M.D., Inc. was last updated on February 27, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.