FIRST VALLEY MEDICAL GROUP
NPI 1164437042
Internal Medicine in Lancaster, CA

Active since July 29, 2006CLIA Certified · 3 labs
44725 10TH ST W STE 170, LANCASTER, CA 93534(661) 726-3724(661) 726-3770 Get Directions Write a Review

NPPES record last updated: March 17, 2023. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About First Valley Medical Group NPPES

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

FIRST VALLEY MEDICAL GROUP (NPI 1164437042) is a healthcare organization registered as an internal medicine in Lancaster, California and active in the NPI registry since July 2006. The organization holds 3 active CLIA laboratory certificates and lists Hari Chandran, Business Manager, as its authorized official.

NPPES Registry Identity

NPI1164437042
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSIVALINGAM MEDICAL CORPORATION INC
Location Address44725 10TH ST W STE 170Lancaster, CA 93534-3000
Mailing Address44725 10th St W Ste 170Lancaster, CA 93534-3000 · (661) 726-3724 · Fax (661) 726-3770
Fax(661) 726-3770
Organization SubpartNo
Authorized OfficialHari ChandranBusiness Manager · (661) 726-3724
Enumeration DateJuly 29, 2006
Last NPPES UpdateMarch 17, 2023
NPPES CertifiedMarch 14, 2023
NPI 1164437042 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

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 ListedSpecialistTaxonomy 174400000X
44725 10TH ST W STE 170, Lancaster, CA 93534

Other Names 1

Doing Business AsFirst Valley Medical Group

Other Identifiers 3

MedicaidGR0069782CA
MedicaidRHM53887FCA
OtherZZZ48903ZCA · Blue Shield

Group Practice 2

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP
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 3

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 05D2077036

First Valley Medical Group · Lancaster, CA
Active · expires May 22, 2028
CLIA Number05D2077036
Laboratory TypePhysician Office
Certificate Effective DateMay 23, 2026
Certificate Expiration DateMay 22, 2028
Laboratory DirectorSivalingam Kanagaratnam, MD
Laboratory Phone(661) 726-3724
Laboratory LocationFirst Valley Medical Group44725 10th St W Ste 170, Lancaster, CA 93534
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2117961

First Valley Medical Group · Lancaster, CA
Active · expires Aug 25, 2026
CLIA Number05D2117961
Laboratory TypePhysician Office
Certificate Effective DateAugust 26, 2024
Certificate Expiration DateAugust 25, 2026
Laboratory DirectorKanagaratnam Sivalingam
Laboratory Phone(661) 726-3724
Laboratory LocationFirst Valley Medical Group44725 N 10th St West Ste 280, Lancaster, CA 93534
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D0941950

First Valley Medical Group · Lancaster, CA
Active · expires May 5, 2027
CLIA Number05D0941950
Laboratory TypePhysician Office
Certificate Effective DateMay 6, 2025
Certificate Expiration DateMay 5, 2027
Laboratory DirectorKanagaratnam Sivalingam MD
Laboratory Phone(661) 948-6011
Laboratory LocationFirst Valley Medical Group44725 10th St West Ste 210, Lancaster, CA 93534
CLIA data matches this NPI record on: Name
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.

Nurse Practitioner (Acute Care)
44725 10TH ST W STE 170
LANCASTER, CA 93534
Clinic/Center (Multi-Specialty)
44725 10TH ST W STE 170
LANCASTER, CA 93534

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1164437042, enumerated as an "organization" on July 29, 2006.

The provider is located at 44725 10TH ST W STE 170 LANCASTER, CA 93534 and the phone number is (661) 726-3724.

Internal Medicine with taxonomy code 207R00000X.

The provider might be accepting Accepts: Medicare, Medicaid and Blue Cross Blue Shield. Please consult your insurance carrier or call the provider to verify.