KOOK I. CHANG, M.D. A PROFESSIONAL CORPORATION
NPI 1316079387
Internal Medicine - Cardiovascular Disease in Van Nuys, CA

Q: What is Kook I. Chang, M.D. A Professional Corporation's specialty?

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

Active since March 12, 2007

14600 SHERMAN WAY STE 270, VAN NUYS, CA 91405(818) 780-7771 Get Directions Write a Review

NPPES record last updated: February 4, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Kook I. Chang, M.d. A Professional Corporation NPPES

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

KOOK I. CHANG, M.D. A PROFESSIONAL CORPORATION (NPI 1316079387) is a healthcare organization registered as a cardiovascular disease in Van Nuys, California and active in the NPI registry since March 2007. The organization lists Kook I Chang, M.d., as its authorized official.

NPPES Registry Identity

NPI1316079387

Entity TypeOrganization

Primary Taxonomy207RC0000X

Legal Business NameKOOK I. CHANG, M.D. A PROFESSIONAL CORPORATION

Location Address14600 SHERMAN WAY STE 270Van Nuys, CA 91405-2272

Mailing Address14600 Sherman Way Ste 270Van Nuys, CA 91405-2272 · (818) 780-7771

Phone(818) 780-7771

Organization SubpartNo

Authorized OfficialKook I ChangM.d. · (818) 780-7771

Enumeration DateMarch 12, 2007

Last NPPES UpdateFebruary 4, 2008

✔ NPI 1316079387 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.

14600 SHERMAN WAY STE 270, Van Nuys, CA 91405

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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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kook I. Chang, M.d. A Professional Corporation 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 Kook I. Chang, M.D. A Professional Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Kook Chang, M.D.

Internal Medicine

NPI 1356442354

14600 SHERMAN WAY STE 270
Van Nuys, CA 91405

(818) 780-7771

✔ PECOSSame address

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

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 Kook I. Chang, M.D. A Professional Corporation's NPI number?

The NPI number for Kook I. Chang, M.D. A Professional Corporation is 1316079387. It was assigned to this organization in the NPPES registry on March 12, 2007.

Where is Kook I. Chang, M.D. A Professional Corporation located?

Kook I. Chang, M.D. A Professional Corporation is located at 14600 Sherman Way Ste 270, Van Nuys, CA 91405. The listed phone number is (818) 780-7771.

What is Kook I. Chang, M.D. A Professional Corporation's specialty?

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

Is Kook I. Chang, M.D. A Professional Corporation enrolled in Medicare?

Yes. Kook I. Chang, M.D. A Professional Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Kook I. Chang, M.D. A Professional Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Kook I. Chang, M.D. A Professional Corporation. 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.

When was this NPI record last updated?

The NPPES record for Kook I. Chang, M.D. A Professional Corporation was last updated on February 4, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.