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CHRISTOPHER G CHOW MD INC
NPI 1306804158
Internal Medicine in Northridge, CA

Active since May 02, 2006CLIA 05D1001508 · Waiver
18433 ROSCOE BLVD, #208, NORTHRIDGE, CA 91325(818) 341-4401(818) 341-4402 Get Directions Write a Review

NPPES record last updated: March 12, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Christopher G Chow Md Inc NPPES

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

CHRISTOPHER G CHOW MD INC (NPI 1306804158) is a healthcare organization registered as an internal medicine in Northridge, California and active in the NPI registry since May 2006. The organization holds a CLIA Waiver certificate valid through July 11, 2028 and lists Christopher A Chow, Ceo, as its authorized official.

NPPES Registry Identity

NPI1306804158
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCHRISTOPHER G CHOW MD INC
Location Address18433 ROSCOE BLVD, #208Northridge, CA 91325-4108
Mailing Address18433 Roscoe Blvd, 208Northridge, CA 91325-4108 · (818) 341-4401 · Fax (818) 341-4402
Phone(818) 341-4401
Fax(818) 341-4402
Organization SubpartNo
Authorized OfficialChristopher A ChowCeo · (818) 341-4401
Enumeration DateMay 2, 2006
Last NPPES UpdateMarch 12, 2010
✔ NPI 1306804158 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 · A73605
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.
18433 ROSCOE BLVD, Northridge, CA 91325
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Other Identifiers 1

Medicare UPINH64138

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)

Christopher G Chow Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Christopher G Chow MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Christopher Chow, MD
Internal Medicine
NPI 1528024122
18433 ROSCOE BLVD #208
Northridge, CA 91325
(818) 341-4401
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 05D1001508

Christopher G Chow MD · Northridge, CA
Active · expires Jul 11, 2028
CLIA Number05D1001508
Laboratory TypePhysician Office
Certificate Effective DateJuly 12, 2026
Certificate Expiration DateJuly 11, 2028
Laboratory DirectorChristopher Chow MD
Laboratory Phone(818) 341-4401
Laboratory LocationChristopher G Chow MD18433 Roscoe Blvd Ste 208, Northridge, CA 91325
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Christopher G Chow MD Inc's NPI number?

The NPI number for Christopher G Chow MD Inc is 1306804158. It was assigned to this organization in the NPPES registry on May 2, 2006.

Where is Christopher G Chow MD Inc located?

Christopher G Chow MD Inc is located at 18433 Roscoe Blvd #208, Northridge, CA 91325. The listed phone number is (818) 341-4401.

What is Christopher G Chow MD Inc's specialty?

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

Is Christopher G Chow MD Inc enrolled in Medicare?

Yes. Christopher G Chow MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Christopher G Chow MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Christopher G Chow MD Inc. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Christopher G Chow MD Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D1001508) is associated with this NPI, valid through July 11, 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 Christopher G Chow MD Inc was last updated on March 12, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.