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JAIR WONG, MD, INC
NPI 1396771960
Internal Medicine in West Covina, CA

Active since June 24, 2006
1535 W MERCED AVE, SUITE #102, WEST COVINA, CA 91790(626) 962-9108(626) 960-7337 Get Directions Write a Review

NPPES record last updated: June 6, 2012. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Jair Wong, Md, Inc NPPES

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

JAIR WONG, MD, INC (NPI 1396771960) is a healthcare organization registered as an internal medicine in West Covina, California and active in the NPI registry since June 2006. The organization lists Jair Wong, President, as its authorized official.

NPPES Registry Identity

NPI1396771960
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameJAIR WONG, MD, INC
Location Address1535 W MERCED AVE, SUITE #102West Covina, CA 91790
Mailing Address1535 W Merced Ave, Suite #102West Covina, CA 91790 · (626) 962-9108 · Fax (626) 960-7337
Phone(626) 962-9108
Fax(626) 960-7337
Organization SubpartNo
Authorized OfficialJair WongPresident · (626) 962-9108
Enumeration DateJune 24, 2006
Last NPPES UpdateJune 6, 2012
✔ NPI 1396771960 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 · G75543
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.
1535 W MERCED AVE, West Covina, CA 91790
Open in Google Maps ↗

Other Identifiers 2

MedicaidWG75543FCA
Medicare UPINF57702CA

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)

Jair Wong, Md, 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 Jair Wong, MD, Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Jair Wong, MD
Internal Medicine
NPI 1972541266
906 S SUNSET AVE STE 102
West Covina, CA 91790
(626) 962-9108
✔ PECOS✔ Accepts Medicare0.3 mi

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 Jair Wong, MD, Inc's NPI number?

The NPI number for Jair Wong, MD, Inc is 1396771960. It was assigned to this organization in the NPPES registry on June 24, 2006.

Where is Jair Wong, MD, Inc located?

Jair Wong, MD, Inc is located at 1535 W Merced Ave Suite #102, West Covina, CA 91790. The listed phone number is (626) 962-9108.

What is Jair Wong, MD, Inc's specialty?

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

Is Jair Wong, MD, Inc enrolled in Medicare?

Yes. Jair Wong, MD, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Jair Wong, MD, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Jair Wong, MD, 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 Jair Wong, MD, Inc was last updated on June 6, 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.