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HARRY MARSHAK MD A PROFESSIONAL CORPORATION
NPI 1639489818
Clinic/Center in Palm Desert, CA

Active since October 20, 2010
74075 EL PASEO STE D2, PALM DESERT, CA 92260(760) 341-2551(760) 341-2522 Get Directions Write a Review

NPPES record last updated: February 17, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Harry Marshak Md A Professional Corporation NPPES

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

HARRY MARSHAK MD A PROFESSIONAL CORPORATION (NPI 1639489818) is a healthcare organization registered as a clinic/center in Palm Desert, California and active in the NPI registry since October 2010. The organization lists Harry Marshak, President, as its authorized official.

NPPES Registry Identity

NPI1639489818
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameHARRY MARSHAK MD A PROFESSIONAL CORPORATION
Location Address74075 EL PASEO STE D2Palm Desert, CA 92260-4118
Mailing Address74075 El Paseo Ste D2Palm Desert, CA 92260-4118 · (760) 341-2551 · Fax (760) 341-2522
Phone(760) 341-2551
Fax(760) 341-2522
Organization SubpartNo
Authorized OfficialHarry MarshakPresident · (760) 341-2551
Enumeration DateOctober 20, 2010
Last NPPES UpdateFebruary 17, 2011
✔ NPI 1639489818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
License✔ Licensed in CA · A70631
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
74075 EL PASEO STE D2, Palm Desert, CA 92260
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Harry Marshak Md 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 Harry Marshak MD A Professional Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Harry Marshak, M.D.
Ophthalmology
NPI 1174560825
74075 EL PASEO D2
Palm Desert, CA 92260
(760) 341-2551
✔ 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 Harry Marshak MD A Professional Corporation's NPI number?

The NPI number for Harry Marshak MD A Professional Corporation is 1639489818. It was assigned to this organization in the NPPES registry on October 20, 2010.

Where is Harry Marshak MD A Professional Corporation located?

Harry Marshak MD A Professional Corporation is located at 74075 El Paseo Ste D2, Palm Desert, CA 92260. The listed phone number is (760) 341-2551.

What is Harry Marshak MD A Professional Corporation's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Is Harry Marshak MD A Professional Corporation enrolled in Medicare?

Yes. Harry Marshak MD A Professional Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Harry Marshak MD A Professional Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Ophthalmology) reassigns their Medicare billing to Harry Marshak MD 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 Harry Marshak MD A Professional Corporation was last updated on February 17, 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.