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OMID S. SHAYE, M.D., A MEDICAL CORPORATION
NPI 1689833238
Internal Medicine - Hematology & Oncology in West Hills, CA

Active since June 08, 2008
7320 WOODLAKE AVE, SUITE 330, WEST HILLS, CA 91307(818) 346-1773(818) 346-3010 Get Directions Write a Review

NPPES record last updated: November 13, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Omid S. Shaye, M.d., A Medical Corporation NPPES

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

OMID S. SHAYE, M.D., A MEDICAL CORPORATION (NPI 1689833238) is a healthcare organization registered as a hematology & oncology in West Hills, California and active in the NPI registry since June 2008. The organization lists Omid Solemon Shaye, President, as its authorized official.

NPPES Registry Identity

NPI1689833238
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameOMID S. SHAYE, M.D., A MEDICAL CORPORATION
Location Address7320 WOODLAKE AVE, SUITE 330West Hills, CA 91307-1468
Mailing Address7320 Woodlake Ave, Suite 330West Hills, CA 91307-1468 · (818) 346-1773 · Fax (818) 346-3010
Phone(818) 346-1773
Fax(818) 346-3010
Organization SubpartNo
Authorized OfficialOmid Solemon ShayePresident · (818) 346-1773
Enumeration DateJune 8, 2008
Last NPPES UpdateNovember 13, 2013
✔ NPI 1689833238 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · A81628
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
7320 WOODLAKE AVE, West Hills, CA 91307
Open in Google Maps ↗

Other Identifiers 2

Medicare NSC6499580001CA
Medicare PINAO838CA

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter from Arkansas Health & Wellness and more.Insurance ›

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)

Omid S. Shaye, 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 IDO20081014000250Non-DME Part B · Clinic/Group PracticeDue dateFebruary 28, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Omid S. Shaye, M.D., A Medical Corporation, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (4)

Ashkan Lashkari, MD
Hematology/Oncology
NPI 1528284627
7320 WOODLAKE AVE SUITE 330
West Hills, CA 91307
(818) 346-1773
✔ PECOS✔ Accepts MedicareSame address
Omid Shaye, M.D.
Hematology/Oncology
NPI 1861611931
7320 WOODLAKE AVE SUITE 330
West Hills, CA 91307
(818) 346-1773
✔ PECOS✔ Accepts MedicareSame address
Allan Zhang, DO
Diagnostic Radiology
NPI 1811301021
3402 W DR MARTIN LUTHER KING JR BLVD
Tampa, FL 33607
(813) 875-3950
✔ PECOS✔ Accepts Medicare2,173 mi
Christopher Ho, M.D.
Hematology/Oncology
NPI 1972774958
7320 WOODLAKE AVENUE #330
West Hills, CA 91307
(818) 346-1773
✔ PECOS✔ Accepts Medicare

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 Compliance 05D0557525

Omid S Shaye MD A Medical Corporation · West Hills, CA
Expired · Sep 30, 2026
CLIA Number05D0557525
Laboratory TypePhysician Office
Certificate Effective DateOctober 23, 2023
Certificate Expiration DateSeptember 30, 2026
Laboratory DirectorOmid S. Shaye
Laboratory Phone(818) 346-1773
Laboratory LocationOmid S Shaye MD A Medical Corporation7320 Woodlake Ave, Ste 330, West Hills, CA 91307
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 Omid S. Shaye, M.D., A Medical Corporation's NPI number?

The NPI number for Omid S. Shaye, M.D., A Medical Corporation is 1689833238. It was assigned to this organization in the NPPES registry on June 8, 2008.

Where is Omid S. Shaye, M.D., A Medical Corporation located?

Omid S. Shaye, M.D., A Medical Corporation is located at 7320 Woodlake Ave Suite 330, West Hills, CA 91307. The listed phone number is (818) 346-1773.

What is Omid S. Shaye, M.D., A Medical Corporation's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Omid S. Shaye, M.D., A Medical Corporation enrolled in Medicare?

Yes. Omid S. Shaye, M.D., A Medical Corporation is registered in the Medicare PECOS enrollment system.

When is Omid S. Shaye, 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 Omid S. Shaye, M.D., A Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Omid S. Shaye, 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. The largest specialties are Hematology/Oncology (3) and Diagnostic Radiology (1). Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Omid S. Shaye, M.D., A Medical Corporation accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter Health of Delaware, Ambetter from Absolute Total Care and Ambetter from Arkansas Health & Wellness and 37 other insurers list Omid S. Shaye, M.D., A Medical Corporation as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Omid S. Shaye, M.D., A Medical Corporation was last updated on November 13, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.