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VASCULAR & GENERAL SURGERY ASSOCIATES
NPI 1891723607
Surgery in Los Alamitos, CA

Active since June 29, 2006
3791 KATELLA AVE STE 201, LOS ALAMITOS, CA 90720(562) 596-6736(562) 598-5492 Get Directions Write a Review

NPPES record last updated: February 10, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Vascular & General Surgery Associates NPPES

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

VASCULAR & GENERAL SURGERY ASSOCIATES (NPI 1891723607) is a healthcare organization registered as a surgery in Los Alamitos, California and active in the NPI registry since June 2006. The organization maintains a secondary practice location in Long Beach and lists Simon B Rayhanabad, Surgeon/general Partner, as its authorized official.

NPPES Registry Identity

NPI1891723607
Entity TypeOrganization
Primary Taxonomy208600000X
Legal Business NameVASCULAR & GENERAL SURGERY ASSOCIATES
Location Address3791 KATELLA AVE STE 201Los Alamitos, CA 90720-2016
Mailing Address3791 Katella Ave Ste 201Los Alamitos, CA 90720-2016 · (562) 596-6736 · Fax (562) 598-5492
Phone(562) 596-6736
Fax(562) 598-5492
Organization SubpartNo
Authorized OfficialSimon B RayhanabadSurgeon/general Partner · (562) 596-6736
Enumeration DateJune 29, 2006
Last NPPES UpdateFebruary 10, 2026
NPPES CertifiedFebruary 10, 2026
✔ NPI 1891723607 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedSurgery · Vascular SurgeryTaxonomy 2086S0129X
3791 KATELLA AVE STE 201, Los Alamitos, CA 90720
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Secondary Practice Location 1

Location 13747 Worsham Ave Ste 200Long Beach, CA 90808-1734 · Phone (562) 630-8821 · Fax (562) 421-9555

Other Identifiers 1

MedicaidGR0046780CA

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 MULTIPLE 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)

Vascular & General Surgery Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Vascular & General Surgery Associates, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Simon Rayhanabad, MD
Vascular Surgery
NPI 1710910047
3791 KATELLA AVE #201
Los Alamitos, CA 90720
(562) 596-6736
✔ PECOS✔ Accepts MedicareSame address
Peggy Kohl, CRNFA, CNS
Certified Clinical Nurse Specialist (CNS)
NPI 1649288119
3791 KATELLA AVE VASCULAR & GENERAL SURGERY ASSOC #201
Los Alamitos, CA 90720
(562) 596-6736
✔ PECOS✔ Accepts MedicareSame address
Andre Maginot, MD
Vascular Surgery
NPI 1841206471
3791 KATELLA AVE #201 VASCULAR & GENERAL SURGERY ASSOC
Las Alamitos, CA 90720
(562) 596-6736
✔ PECOS✔ Accepts Medicare

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 Vascular & General Surgery Associates's NPI number?

The NPI number for Vascular & General Surgery Associates is 1891723607. It was assigned to this organization in the NPPES registry on June 29, 2006.

Where is Vascular & General Surgery Associates located?

Vascular & General Surgery Associates is located at 3791 Katella Ave Ste 201, Los Alamitos, CA 90720. The listed phone number is (562) 596-6736.

What is Vascular & General Surgery Associates's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Vascular & General Surgery Associates enrolled in Medicare?

Yes. Vascular & General Surgery Associates is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Vascular & General Surgery Associates?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Vascular & General Surgery Associates, in Certified Clinical Nurse Specialist (CNS) and Vascular Surgery. 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Vascular & General Surgery Associates was last updated on February 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.