MEDEX MEDICAL GROUP INC
NPI 1063445435
Internal Medicine in San Gabriel, CA

Q: What is Medex Medical Group Inc's NPI number?

The NPI number for Medex Medical Group Inc is 1063445435. It was assigned to this organization in the NPPES registry on July 9, 2006.

Q: What is Medex Medical Group Inc's specialty?

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

Active since July 09, 2006

127-B W LAS TUNAS DR., SAN GABRIEL, CA 91776(626) 457-8600 Get Directions Write a Review

NPPES record last updated: April 17, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Medex Medical Group Inc NPPES

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

MEDEX MEDICAL GROUP INC (NPI 1063445435) is a healthcare organization registered as an internal medicine in San Gabriel, California and active in the NPI registry since July 2006. The organization lists Le-young Lee, Owner, as its authorized official.

NPPES Registry Identity

NPI1063445435

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameMEDEX MEDICAL GROUP INC

Location Address127-B W LAS TUNAS DR.San Gabriel, CA 91776

Mailing Address127-b W Las Tunas Dr.San Gabriel, CA 91776 · (626) 457-8600

Phone(626) 457-8600

Organization SubpartNo

Authorized OfficialLe-young LeeOwner · (626) 457-8600

Enumeration DateJuly 9, 2006

Last NPPES UpdateApril 17, 2015

✔ NPI 1063445435 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 · G77879

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.

127-B W LAS TUNAS DR., San Gabriel, CA 91776

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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)

Medex Medical Group Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Medex Medical Group Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Le-Young Lee, MD

Internal Medicine

NPI 1861417586

127-B W LAS TUNAS DRIVE
San Gabriel, CA 91776

(626) 457-8600

✔ PECOS✔ Accepts MedicareSame address

Julia Chaw Chih Lee, NP

Nurse Practitioner

NPI 1891899456

1520 SAN PABLO ST STE 1300
Los Angeles, CA 90033

(323) 442-5900

✔ PECOS6.5 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 Medex Medical Group Inc's NPI number?

The NPI number for Medex Medical Group Inc is 1063445435. It was assigned to this organization in the NPPES registry on July 9, 2006.

Where is Medex Medical Group Inc located?

Medex Medical Group Inc is located at 127-B W Las Tunas Dr., San Gabriel, CA 91776. The listed phone number is (626) 457-8600.

What is Medex Medical Group Inc's specialty?

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

Is Medex Medical Group Inc enrolled in Medicare?

Yes. Medex Medical Group Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Medex Medical Group Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Medex Medical Group Inc, in Internal Medicine and Nurse Practitioner. 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. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Medex Medical Group Inc was last updated on April 17, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.