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OSMUND T. CHAN. M.D. A MEDICAL CORPORATION
NPI 1407115769
Otolaryngology in Los Angeles, CA

Active since May 08, 2012
711 W. COLLEGE ST., SUITE 202, LOS ANGELES, CA 90012(213) 626-8338(213) 626-8338 Get Directions Write a Review

NPPES record last updated: May 8, 2012. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Osmund T. Chan. M.d. A Medical Corporation NPPES

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

OSMUND T. CHAN. M.D. A MEDICAL CORPORATION (NPI 1407115769) is a healthcare organization registered as an otolaryngology in Los Angeles, California and active in the NPI registry since May 2012. The organization lists Osmund T. Chan, Owner, as its authorized official.

NPPES Registry Identity

NPI1407115769
Entity TypeOrganization
Primary Taxonomy207Y00000X
Legal Business NameOSMUND T. CHAN. M.D. A MEDICAL CORPORATION
Location Address711 W. COLLEGE ST., SUITE 202Los Angeles, CA 90012-1163
Mailing Address711 W. College St,, Suite 202Los Angeles, CA 90012-1163 · (213) 626-8338 · Fax (213) 626-8338
Phone(213) 626-8338
Fax(213) 626-8338
Organization SubpartNo
Authorized OfficialOsmund T. ChanOwner · (213) 626-8338
Enumeration DateMay 8, 2012
✔ NPI 1407115769 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in CA · G43950
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
711 W. COLLEGE ST., Los Angeles, CA 90012
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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, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Osmund T. Chan. M.d. A Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20121002000294Non-DME Part B · Clinic/Group PracticeDue dateFebruary 28, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Osmund T. Chan. M.D. A Medical Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Osmund Chan, M.D.
Otolaryngology
NPI 1346385663
711 W COLLEGE ST SUITE 202
Los Angeles, CA 90012
(213) 626-8338
✔ 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.

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 Osmund T. Chan. M.D. A Medical Corporation's NPI number?

The NPI number for Osmund T. Chan. M.D. A Medical Corporation is 1407115769. It was assigned to this organization in the NPPES registry on May 8, 2012.

Where is Osmund T. Chan. M.D. A Medical Corporation located?

Osmund T. Chan. M.D. A Medical Corporation is located at 711 W. College St. Suite 202, Los Angeles, CA 90012. The listed phone number is (213) 626-8338.

What is Osmund T. Chan. M.D. A Medical Corporation's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Osmund T. Chan. M.D. A Medical Corporation enrolled in Medicare?

Yes. Osmund T. Chan. M.D. A Medical Corporation is registered in the Medicare PECOS enrollment system.

When is Osmund T. Chan. M.D. A Medical Corporation's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Osmund T. Chan. M.D. A Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Otolaryngology) reassigns their Medicare billing to Osmund T. Chan. M.D. A Medical 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 Osmund T. Chan. M.D. A Medical Corporation was last updated on May 8, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.