MARC COHEN, M.D., INC., A PROFESSIONAL CORPORATION
NPI 1285927467
Otolaryngology in Tarzana, CA
About Marc Cohen, M.d., Inc., A Professional Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARC COHEN, M.D., INC., A PROFESSIONAL CORPORATION (NPI 1285927467) is a healthcare organization registered as an otolaryngology in Tarzana, California and active in the NPI registry since May 2011. The organization lists Marc Cohen, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
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)
Marc Cohen, M.d., Inc., A Professional Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by November 30, 2026
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.
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Marc Cohen, M.D., Inc., A Professional Corporation, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Marc Cohen, M.D., Inc., A Professional Corporation's NPI number?
The NPI number for Marc Cohen, M.D., Inc., A Professional Corporation is 1285927467. It was assigned to this organization in the NPPES registry on May 23, 2011.
Where is Marc Cohen, M.D., Inc., A Professional Corporation located?
Marc Cohen, M.D., Inc., A Professional Corporation is located at 5525 Etiwanda Ave Suite 312, Tarzana, CA 91356. The listed phone number is (818) 609-0600.
What is Marc Cohen, M.D., Inc., A Professional Corporation's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Marc Cohen, M.D., Inc., A Professional Corporation enrolled in Medicare?
Yes. Marc Cohen, M.D., Inc., A Professional Corporation is registered in the Medicare PECOS enrollment system.
When is Marc Cohen, M.D., Inc., A Professional 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 November 30, 2026. 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 Marc Cohen, M.D., Inc., A Professional Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Otolaryngology) reassigns their Medicare billing to Marc Cohen, M.D., Inc., 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 Marc Cohen, M.D., Inc., A Professional Corporation was last updated on October 24, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Marc Cohen, M.d., Inc., A Professional Corporation · NPI 1285927467
Otolaryngology organization in Tarzana, California. Organization record, active in the CMS NPPES registry since May 23, 2011.
## Identity
- **NPI:** 1285927467 (Entity type: Organization)
- **Enumerated:** May 23, 2011
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **Organization subpart:** No
- **Authorized official:** Marc Cohen, PRESIDENT
## Practice location
- **Address:** 5525 ETIWANDA AVE, SUITE 312, Tarzana, CA 91356-3647
- **Phone:** (818) 609-0600
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** November 30, 2026 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 1 clinician (Otolaryngology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 24, 2011
- **Other identifiers:** Medicare PIN FE917A (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1285927467) · Data from the CMS NPPES public registry.