Margarita Santiago Martinez, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

A142723 Issued in CA

Practice address

1200 N State St
Room 1018
Los Angeles, CA 90089-1001

Phone

(323) 226-6937

Fax

(323) 226-8101

NPI assigned

Apr 27, 2016

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Emergency Medicine

Education

Michigan State University College of Human Medicine, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Emergency Specialist Physicians Medical Associates, IncGroup PAC ID 2163329822, 41 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence Little Company of Mary Med Ctr Torrance Hospital, Torrance, CA, CCN 050353

Merit-based Incentive Payment System (MIPS)

Final score

91.46 of 100Reported as group

Quality

78.18

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Emergency Specialist Physicians Medical Associates, Inc

  • Emergency Medicine Physician
  • Torrance, CA
  • NPI 1518917913
  Medicare reassignment Care Compare group NPD
• Golden State Emergency Physicians Inc

  • Emergency Medicine Physician
  • Los Angeles, CA
  • NPI 1770886558
  Medicare reassignment NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Providence Health System Southern California

  • General Acute Care Hospital
  • Torrance, CA
  • NPI 1902844988
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1461715200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750982400000",
    "number": "1447605407",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "21800 AVALON BLVD UNIT 218",
            "city": "CARSON",
            "state": "CA",
            "postal_code": "907453350",
            "telephone_number": "310-650-9207"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1200 N STATE ST",
            "address_2": "ROOM 1018",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900891001",
            "telephone_number": "323-226-6937",
            "fax_number": "323-226-8101"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SANTIAGO MARTINEZ",
        "first_name": "MARGARITA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-04-27",
        "last_updated": "2025-06-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A142723",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "Southern California Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "25825 Vermont Ave",
            "city": "Harbor City",
            "state": "CA",
            "country_code": "US",
            "postal_code": "907103518",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Julie Lynn Santelli, MD
• Adam Santhon
• Tino Santhon
• Sessy Santi, REGISTER COUNSELOR
• Justo Santiago Forero
• Lorna Regina Santiago Suratos, NP
• Susana V Santiago-Soriano, M.D.
• Alicia Santiago, L.C.S.W.
• Consorcia E. Santiago, RN
• Danielle Soleil Santiago

• Emergency Medicine Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Emergency Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 27, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.