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GROVE INTERNAL MEDICINE INC.
NPI 1811224298
Internal Medicine in Rancho Cucamonga, CA

Active since November 05, 2009CLIA 05D2001988 · Waiver
8283 GROVE AVE STE 201, RANCHO CUCAMONGA, CA 91730(909) 981-6644(909) 981-5048 Get Directions Write a Review

NPPES record last updated: June 11, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Grove Internal Medicine Inc. NPPES

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

GROVE INTERNAL MEDICINE INC. (NPI 1811224298) is a healthcare organization registered as an internal medicine in Rancho Cucamonga, California and active in the NPI registry since November 2009. The organization holds a CLIA Waiver certificate valid through January 4, 2028 and lists Sean To, Owner, as its authorized official.

NPPES Registry Identity

NPI1811224298
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameGROVE INTERNAL MEDICINE INC.
Location Address8283 GROVE AVE STE 201Rancho Cucamonga, CA 91730-3140
Mailing Address8283 Grove Ave Ste 201Rancho Cucamonga, CA 91730-3140 · (909) 981-6644 · Fax (909) 981-5048
Phone(909) 981-6644
Fax(909) 981-5048
Organization SubpartNo
Authorized OfficialSean ToOwner · (909) 981-6644
Enumeration DateNovember 5, 2009
Last NPPES UpdateJune 11, 2020
NPPES CertifiedJune 11, 2020
✔ NPI 1811224298 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.
8283 GROVE AVE STE 201, Rancho Cucamonga, CA 91730
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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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2001988

Grove Internal Medicine · Rancho Cucamonga, CA
Active · expires Jan 4, 2028
CLIA Number05D2001988
Laboratory TypePhysician Office
Certificate Effective DateJanuary 5, 2026
Certificate Expiration DateJanuary 4, 2028
Laboratory DirectorSean To
Laboratory Phone(909) 981-6644
Laboratory LocationGrove Internal Medicine8283 Grove Avenue, Suite 201, Rancho Cucamonga, CA 91730
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 2

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

KATIE BANG PA-C
Physician Assistant (Medical)
8283 GROVE AVE STE 201
RANCHO CUCAMONGA, CA 91730
San Bernardino County (909) 981-6644
ERIKA RAY MCALISTER PA-C
Physician Assistant
8283 GROVE AVE STE 201
RANCHO CUCAMONGA, CA 91730
San Bernardino County (909) 981-6644

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 Grove Internal Medicine Inc.'s NPI number?

The NPI number for Grove Internal Medicine Inc. is 1811224298. It was assigned to this organization in the NPPES registry on November 5, 2009.

Where is Grove Internal Medicine Inc. located?

Grove Internal Medicine Inc. is located at 8283 Grove Ave Ste 201, Rancho Cucamonga, CA 91730. The listed phone number is (909) 981-6644.

What is Grove Internal Medicine Inc.'s specialty?

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

Does Grove Internal Medicine Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2001988) is associated with this NPI, valid through January 4, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Grove Internal Medicine Inc. was last updated on June 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.