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KATAYOUN TOOSIE MD
NPI 1952579112
Specialist in Oceanside, CA

Active since February 11, 2008
3998 VISTA WAY, SUITE 200, OCEANSIDE, CA 92056(760) 724-5352(760) 724-5447 Get Directions Write a Review

NPPES record last updated: March 6, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Katayoun Toosie Md NPPES

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

KATAYOUN TOOSIE MD (NPI 1952579112) is a healthcare organization registered as a specialist in Oceanside, California and active in the NPI registry since February 2008. The organization lists Katayoun Toosie, President, as its authorized official.

NPPES Registry Identity

NPI1952579112
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameTOOSIEMD INC
Location Address3998 VISTA WAY, SUITE 200Oceanside, CA 92056-4500
Mailing Address3998 Vista Way, Suite 200Oceanside, CA 92056-4500 · (760) 724-5352 · Fax (760) 724-5447
Phone(760) 724-5352
Fax(760) 724-5447
Organization SubpartNo
Authorized OfficialKatayoun ToosiePresident · (760) 724-5352
Enumeration DateFebruary 11, 2008
Last NPPES UpdateMarch 6, 2008
✔ NPI 1952579112 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · A60211
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
3998 VISTA WAY, Oceanside, CA 92056
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Other Names 1

Other NameKatayoun Toosie Md

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)

Katayoun Toosie Md 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 Katayoun Toosie MD, which bills Medicare for the services this clinician delivers.

Clinician (1)

Katayoun Toosie, M.D.
General Surgery
NPI 1568471092
3998 VISTA WAY SUITE C200
Oceanside, CA 92056
(760) 724-5352
✔ PECOS✔ Accepts Medicare0.2 mi

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 Toosiemd Inc's NPI number?

The NPI number for Toosiemd Inc is 1952579112. It was assigned to this organization in the NPPES registry on February 11, 2008. The provider is also known as Katayoun Toosie MD.

Where is Toosiemd Inc located?

Toosiemd Inc is located at 3998 Vista Way Suite 200, Oceanside, CA 92056. The listed phone number is (760) 724-5352.

What is Toosiemd Inc's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Toosiemd Inc enrolled in Medicare?

Yes. Toosiemd Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Toosiemd Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (General Surgery) reassigns their Medicare billing to Toosiemd Inc. 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 Toosiemd Inc was last updated on March 6, 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.