Active NPI
Mark Youssef a Medical Corporation
- Plastic Surgery Physician
- Santa Monica, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Plastic Surgery Physician
- License
- A77473
- Legal business name
- MARK YOUSSEF A MEDICAL CORPORATION
- Practice address
- 1317 5TH St Ste 300
Santa Monica, CA 90401-1433 - Phone
- (310) 434-0044
- NPI assigned
- Apr 23, 2010
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Mark Youssef, MD
- Title
- Direct/ Sole Owner
- Phone
- (818) 888-7815
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 6
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Dermatology Physician | 207N00000X | |||
| Otolaryngology Physician | 207Y00000X | |||
| Plastic Surgery Physician | 208200000X | A77473 | CA | Primary |
| General Practice Physician | 208D00000X | |||
| Physician Assistant | 363A00000X | |||
| Nurse Practitioner | 363L00000X |
Addresses
Primary practice location
1317 5TH St Ste 300
Santa Monica, CA 90401-1433
Mailing address
1317 5TH St Ste 300
Santa Monica, CA 90401-1433
Phone (310) 434-0044
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
Enrollment records 1
National Provider Directory
National Provider DirectoryLocations
1889 N Rice Ave
Ste 201
Oxnard, CA 93030
Phone (805) 600-1550
1551 Ocean Ave
Ste 200
Santa Monica, CA 90401
Phone (310) 394-0570
1317 5th St
Ste 300
Santa Monica, CA 90401
Phone (310) 434-0044
1551 Ocean Ave
#200
Santa Monica, CA 90401
Phone (310) 434-0044
Practitioners & affiliated clinicians
Practitioners 4
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
-
- Plastic Surgery within the Head & Neck (Otolaryngology) Physician
- Santa Monica, CA
- NPI 1194110700
-
- Student in an Organized Health Care Education/Training Program
- Mesa, AZ
- NPI 1619313913
CA
-
- Foot & Ankle Surgery Podiatrist
- Santa Clarita, CA
- NPI 1093823346
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1271980800000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1761955200000",
"number": "1659698181",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1317 5TH ST STE 300",
"city": "SANTA MONICA",
"state": "CA",
"postal_code": "904011433",
"telephone_number": "310-434-0044"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1317 5TH ST STE 300",
"city": "SANTA MONICA",
"state": "CA",
"postal_code": "904011433",
"telephone_number": "310-434-0044"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "MARK YOUSSEF A MEDICAL CORPORATION",
"organizational_subpart": "NO",
"enumeration_date": "2010-04-23",
"last_updated": "2025-11-01",
"certification_date": "2025-11-01",
"status": "A",
"authorized_official_last_name": "YOUSSEF",
"authorized_official_first_name": "MARK",
"authorized_official_title_or_position": "DIRECT/ SOLE OWNER",
"authorized_official_telephone_number": "818-888-7815",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "207N00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Dermatology",
"state": null,
"license": null,
"primary": false
},
{
"code": "207Y00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Otolaryngology",
"state": null,
"license": null,
"primary": false
},
{
"code": "208200000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Plastic Surgery",
"state": "CA",
"license": "A77473",
"primary": true
},
{
"code": "208D00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "General Practice",
"state": null,
"license": null,
"primary": false
},
{
"code": "363A00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Physician Assistant",
"state": null,
"license": null,
"primary": false
},
{
"code": "363L00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Nurse Practitioner",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Santa Monica, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.