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INTERNAL MEDICINE MEDICAL GROUP
NPI 1679776090
Internal Medicine in Chino Hills, CA

Active since June 06, 2007
2140 GRAND AVENUE, INTERNAL MEDICINE MEDICAL GROUP SUITE 120, CHINO HILLS, CA 91709(909) 623-8796(909) 623-3076 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Internal Medicine Medical Group NPPES

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

INTERNAL MEDICINE MEDICAL GROUP (NPI 1679776090) is a healthcare organization registered as an internal medicine in Chino Hills, California and active in the NPI registry since June 2007. The organization lists Adrienne Marie Walker, Contracts Manager, as its authorized official.

NPPES Registry Identity

NPI1679776090
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameINTERNAL MEDICINE MEDICAL GROUP
Location Address2140 GRAND AVENUE, INTERNAL MEDICINE MEDICAL GROUP SUITE 120Chino Hills, CA 91709-6801
Mailing Address840 Towne Center Drive, Internal Medicine Medical GroupPomona, CA 91767-5900 · (909) 398-1550 · Fax (909) 398-1573
Phone(909) 623-8796
Fax(909) 623-3076
Organization SubpartNo
Authorized OfficialAdrienne Marie WalkerContracts Manager · (909) 398-1550
Enumeration DateJune 6, 2007
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
✔ NPI 1679776090 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X
2140 GRAND AVENUE, Chino Hills, CA 91709
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHAPARRAL MEDICAL GROUP INC
Internal Medicine (Cardiovascular Disease)
2140 GRAND AVENUE, SUITE #210
CHINO HILLS, CA 91709
San Bernardino County (909) 623-8796

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 Internal Medicine Medical Group's NPI number?

The NPI number for Internal Medicine Medical Group is 1679776090. It was assigned to this organization in the NPPES registry on June 6, 2007.

Where is Internal Medicine Medical Group located?

Internal Medicine Medical Group is located at 2140 Grand Avenue Internal Medicine Medical Group Suite 120, Chino Hills, CA 91709. The listed phone number is (909) 623-8796.

What is Internal Medicine Medical Group's specialty?

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

When was this NPI record last updated?

The NPPES record for Internal Medicine Medical Group was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.