CHAPARRAL MEDICAL GROUP, INC. - NPI 1346639952 - Internal Medicine in Rancho Cucamonga, CA

Q: What is Chaparral Medical Group, Inc.'s NPI number?

The NPI number for Chaparral Medical Group, Inc. is 1346639952. It was assigned to this organization in the NPPES registry on January 20, 2015.

Q: What is Chaparral Medical Group, Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

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About Chaparral Medical Group, Inc. NPPES

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

CHAPARRAL MEDICAL GROUP, INC. (NPI 1346639952) is a healthcare organization registered as a cardiovascular disease in Rancho Cucamonga, California and active in the NPI registry since January 2015. The organization maintains a secondary practice location in Rancho Cucamonga and lists Prasad A Jeereddi, Ceo, as its authorized official.

NPPES Registry Identity

NPI1346639952

Entity TypeOrganization

Primary Taxonomy207RC0000X

Legal Business NameCHAPARRAL MEDICAL GROUP, INC.

Location Address8330 RED OAK ST STE 101Rancho Cucamonga, CA 91730-0603

Mailing Address840 Towne Center DrPomona, CA 91767-5900 · (909) 398-1550 · Fax (909) 398-1488

Phone(909) 987-4922

Fax(909) 466-1190

Organization SubpartNo

Authorized OfficialPrasad A JeereddiCeo · (909) 398-1550

Enumeration DateJanuary 20, 2015

Last NPPES UpdateFebruary 24, 20263 updates tracked since enumeration

NPPES CertifiedFebruary 24, 2026

✔ NPI 1346639952 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 10

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X

Also ListedFamily MedicineTaxonomy 207Q00000X

Also ListedInternal MedicineTaxonomy 207R00000X

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X

Also ListedInternal Medicine · Geriatric MedicineTaxonomy 207RG0300X

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X

Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X

Also ListedNuclear Medicine · Nuclear CardiologyTaxonomy 207UN0901X

Also ListedSupports BrokerageTaxonomy 251X00000X

8330 RED OAK ST STE 101, Rancho Cucamonga, CA 91730

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Secondary Practice Location 1

Location 18330 Red Oak St Ste 201Rancho Cucamonga, CA 91730-0603 · Phone (909) 987-2528

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 3

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

KIANA E RIVERA PA-C

Physician Assistant

8330 RED OAK ST STE 101
RANCHO CUCAMONGA, CA 91730

San Bernardino County (909) 987-4922

HARITHA R ALLA M.D.

Internal Medicine (Cardiovascular Disease)

8330 RED OAK ST STE 101
RANCHO CUCAMONGA, CA 91730

San Bernardino County (909) 987-4922

ANNIE NGUYEN NP

Nurse Practitioner

8330 RED OAK ST STE 101
RANCHO CUCAMONGA, CA 91730

San Bernardino County (909) 987-4922

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 Chaparral Medical Group, Inc.'s NPI number?

The NPI number for Chaparral Medical Group, Inc. is 1346639952. It was assigned to this organization in the NPPES registry on January 20, 2015.

Where is Chaparral Medical Group, Inc. located?

Chaparral Medical Group, Inc. is located at 8330 Red Oak St Ste 101, Rancho Cucamonga, CA 91730. The listed phone number is (909) 987-4922.

What is Chaparral Medical Group, Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

When was this NPI record last updated?

The NPPES record for Chaparral Medical Group, Inc. was last updated on February 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.