MARK YOUSSEF A MEDICAL CORPORATION
NPI 1659698181
Plastic Surgery in Santa Monica, CA

Active since April 23, 2010
1317 5TH ST STE 300, SANTA MONICA, CA 90401(310) 434-0044 Get Directions Write a Review

NPPES record last updated: November 1, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mark Youssef A Medical Corporation NPPES

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

MARK YOUSSEF A MEDICAL CORPORATION (NPI 1659698181) is a healthcare organization registered as a plastic surgery in Santa Monica, California and active in the NPI registry since April 2010. The organization lists Mark Youssef, Direct/ Sole Owner, as its authorized official.

NPPES Registry Identity

NPI1659698181
Entity TypeOrganization
Primary Taxonomy208200000X
Legal Business NameMARK YOUSSEF A MEDICAL CORPORATION
Location Address1317 5TH ST STE 300Santa Monica, CA 90401-1433
Mailing Address1317 5th St Ste 300Santa Monica, CA 90401-1433 · (310) 434-0044
Organization SubpartNo
Authorized OfficialMark YoussefDirect/ Sole Owner · (818) 888-7815
Enumeration DateApril 23, 2010
Last NPPES UpdateNovember 1, 2025
NPPES CertifiedNovember 1, 2025
✔ NPI 1659698181 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 6

★ Primary SpecialtyPlastic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208200000X
License✔ Licensed in CA · A77473
Definition
A plastic surgeon deals with the repair, reconstruction or replacement of physical defects of form or function involving the skin, musculoskeletal system, craniomaxillofacial structures, hand, extremities, breast and trunk and external genitalia or cosmetic enhancement of these areas of the body. Cosmetic surgery is an essential component of plastic surgery. The plastic surgeon uses cosmetic surgical principles to both improve overall appearance and to optimize the outcome of reconstructive procedures. The surgeon uses aesthetic surgical principles not only to improve undesirable qualities of normal structures but in all reconstructive procedures as well.
Also ListedDermatologyTaxonomy 207N00000X
Also ListedOtolaryngologyTaxonomy 207Y00000X
Also ListedGeneral PracticeTaxonomy 208D00000X
Also ListedPhysician AssistantTaxonomy 363A00000X
Also ListedNurse PractitionerTaxonomy 363L00000X
1317 5TH ST STE 300, Santa Monica, CA 90401

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)

Mark Youssef A Medical Corporation 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 Mark Youssef A Medical Corporation, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Otolaryngology
NPI 1194110700
1317 5TH ST STE 300
Santa Monica, CA 90401
(310) 434-0044
✔ PECOS✔ Accepts MedicareSame address
General Surgery
NPI 1225200637
1551 OCEAN AVE STE.#200
Santa Monica, CA 90401
(310) 434-0044
✔ PECOS✔ Accepts Medicare0.4 mi
General Surgery
NPI 1619313913
1301 S CRISMON RD
Mesa, AZ 85209
(480) 358-6158
✔ PECOS399 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 Mark Youssef A Medical Corporation's NPI number?

The NPI number for Mark Youssef A Medical Corporation is 1659698181. It was assigned to this organization in the NPPES registry on April 23, 2010.

Where is Mark Youssef A Medical Corporation located?

Mark Youssef A Medical Corporation is located at 1317 5th St Ste 300, Santa Monica, CA 90401. The listed phone number is (310) 434-0044.

What is Mark Youssef A Medical Corporation's specialty?

The primary specialty registered for this NPI is Plastic Surgery with taxonomy code 208200000X.

Is Mark Youssef A Medical Corporation enrolled in Medicare?

Yes. Mark Youssef A Medical Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mark Youssef A Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Mark Youssef A Medical Corporation, in General Surgery and Otolaryngology. 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, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Mark Youssef A Medical Corporation was last updated on November 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.