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SURGICAL MULTISPECIALTIES MEDICAL GROUP
NPI 1659385599
Surgery - Vascular Surgery in Los Angeles, CA

Active since July 28, 2006
1701 E CESAR E CHAVEZ AVE, SUITE 300, LOS ANGELES, CA 90033(323) 264-2633(323) 224-2790 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Surgical Multispecialties Medical Group NPPES

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

SURGICAL MULTISPECIALTIES MEDICAL GROUP (NPI 1659385599) is a healthcare organization registered as a vascular surgery in Los Angeles, California and active in the NPI registry since July 2006. The organization lists George Kafrouni, President, as its authorized official.

NPPES Registry Identity

NPI1659385599
Entity TypeOrganization
Primary Taxonomy2086S0129X
Legal Business NameSURGICAL MULTISPECIALTIES MEDICAL GROUP
Location Address1701 E CESAR E CHAVEZ AVE, SUITE 300Los Angeles, CA 90033-2464
Mailing Address1701 E Cesar E Chavez Ave, Suite 300Los Angeles, CA 90033-2464 · (323) 264-2633 · Fax (323) 224-2790
Phone(323) 264-2633
Fax(323) 224-2790
Organization SubpartNo
Authorized OfficialGeorge KafrouniPresident · (323) 264-2633
Enumeration DateJuly 28, 2006
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
✔ NPI 1659385599 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0129X
Definition
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
Also ListedSurgeryTaxonomy 208600000X
Also ListedThoracic Surgery (Cardiothoracic Vascular Surgery)Taxonomy 208G00000X
1701 E CESAR E CHAVEZ AVE, Los Angeles, CA 90033
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Surgical Multispecialties Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to Surgical Multispecialties Medical Group, which bills Medicare for the services they deliver. Of these, 6 practice at this address. They are listed nearest first.

Clinicians, nearest first (7)

Simon Keushkerian, M.D.
General Surgery
NPI 1306866850
1701 CESAR E CHAVEZ AVE STE 300
Los Angeles, CA 90033
(818) 504-7265
✔ PECOS✔ Accepts MedicareSame address
Matthew Tan, M.D.
General Surgery
NPI 1295758126
1701 E CESAR E CHAVEZ AVE SUITE 300
Los Angeles, CA 90033
(323) 264-2633
✔ PECOSSame address
On Wang, M.D.
General Surgery
NPI 1497769012
1701 CESAR E CHAVEZ AVE STE 300
Los Angeles, CA 90033
(818) 504-7265
✔ PECOS✔ Accepts MedicareSame address
Robert Yavrouian, M.D.
Colorectal Surgery (Proctology)
NPI 1568483923
1701 E CESAR E CHAVEZ AVE SUITE 300
Los Angeles, CA 90033
(323) 264-2633
✔ PECOS✔ Accepts MedicareSame address
Ramsay Nucho, M.D.
Thoracic Surgery
NPI 1366462806
1701 E CESAR E CHAVEZ AVE STE 300
Los Angeles, CA 90033
(323) 264-2633
✔ PECOS✔ Accepts MedicareSame address
Faisal Khan, M.D.
General Surgery
NPI 1043233885
1701 CESAR E CHAVEZ AVE STE 300
Los Angeles, CA 90033
(818) 504-7265
✔ PECOS✔ Accepts MedicareSame address
Johanna Basa, M.D.
General Surgery
NPI 1821326380
520 E FOOTHILL BLVD STE C
Pomona, CA 91767
(909) 398-4835
✔ PECOS✔ Accepts Medicare28 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 Surgical Multispecialties Medical Group's NPI number?

The NPI number for Surgical Multispecialties Medical Group is 1659385599. It was assigned to this organization in the NPPES registry on July 28, 2006.

Where is Surgical Multispecialties Medical Group located?

Surgical Multispecialties Medical Group is located at 1701 E Cesar E Chavez Ave Suite 300, Los Angeles, CA 90033. The listed phone number is (323) 264-2633.

What is Surgical Multispecialties Medical Group's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Surgical Multispecialties Medical Group enrolled in Medicare?

Yes. Surgical Multispecialties Medical Group is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Surgical Multispecialties Medical Group?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 3 Medicare specialties reassign their Medicare billing to Surgical Multispecialties Medical Group. 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 General Surgery (5), Colorectal Surgery (Proctology) (1) and Thoracic Surgery (1). Of these, 6 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 Surgical Multispecialties Medical Group was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.