Lauren Sesi, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

C205093 Issued in CA

Practice address

500 N Rainbow Blvd Ste 203
Las Vegas, NV 89107-1084

Phone

(702) 259-1228

NPI assigned

Mar 30, 2015

Last updated

Jan 26, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in NV, CA2 enrollments

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 2

Specialty

Emergency Medicine

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

City of Hope Medical FoundationGroup PAC ID 3779751656, 964 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• City of Hope Helford Clinical Research Hospital Hospital, Duarte, CA, CCN 050146
• Henderson Hospital Hospital, Henderson, NV, CCN 290057

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: direct@cityofhope.direct-ci.com
• Direct secure messaging: lsesi272757@cityofhope.direct-ci.com

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

• City of Hope Medical Foundation

  dba City of Hope Duarte

  • Hematology & Oncology Physician
  • Duarte, CA
  • NPI 1871886366
  Medicare reassignment Care Compare group NPD
• Shadow Emergency Physicians PLLC

  • Emergency Medicine Physician
  • Las Vegas, NV
  • NPI 1184795874
  Medicare reassignment NPD
• Regents of the University of

  dba Emergency Medicine Faculty Group

  • Emergency Medicine Physician
  • Orange, CA
  • NPI 1154379394
  Medicare reassignment NPD
• Shadow Emergency Physicians PLLC

  • Emergency Medicine Physician
  • Las Vegas, NV
  • NPI 1043030919
  NPD
• Sesi Signature Inc.

  • Clinic/Center
  • Irvine, CA
  • NPI 1902770845
  NPD
• Doctors Medical Services, Emcare

  • General Acute Care Hospital
  • Las Vegas, NV
  • NPI 1578850962
  NPD (past)

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

• Henderson Hospital

  • General Acute Care Hospital
  • Henderson, NV
  • NPI 1003281452
  Care Compare affiliation
• Henderson Hospital

  dba ER at Cadence

  • Emergency Care Clinic/Center
  • Henderson, NV
  • NPI 1285490292

  Hospital

  Care Compare affiliation
• Henderson Hospital

  dba ER at Green Valley Ranch

  • Emergency Care Clinic/Center
  • Henderson, NV
  • NPI 1376198028

  Hospital

  Care Compare affiliation
• City of Hope National Medical Center

  • General Acute Care Hospital
  • Duarte, CA
  • NPI 1750358297
  Care Compare affiliation

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

{
    "created_epoch": "1427673600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769385600000",
    "number": "1053706838",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 N RAINBOW BLVD STE 203",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891071084",
            "telephone_number": "702-259-1228",
            "fax_number": "702-259-1252"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 N RAINBOW BLVD STE 203",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891071084",
            "telephone_number": "702-259-1228"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1000 Fivepoint Ste A",
            "address_purpose": "LOCATION",
            "city": "Irvine",
            "state": "CA",
            "postal_code": "926182621",
            "country_code": "US",
            "telephone_number": "949-671-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SESI",
        "first_name": "LAUREN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-03-30",
        "last_updated": "2026-01-26",
        "certification_date": "2026-01-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "C205093",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NV",
            "license": "18092",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "direct@cityofhope.direct-ci.com",
            "affiliation": "Y",
            "affiliationName": "CITY OF HOPE MEDICAL FOUNDATION",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1000 Fivepoint",
            "city": "Irvine",
            "state": "CA",
            "country_code": "US",
            "postal_code": "926182377",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Irma Servin
• Jesse Servin
• Mayte Servin
• Pierre Servin
• Madelyn Rose Sese
• Frank Sesma
• Michelle Sesma
• Sofia Yannis Sesmas
• Holly Marie Sesock
• Aeronna Session

• Emergency Medicine Physician in Las Vegas, NV
• Providers in Las Vegas, NV by specialty
• Emergency Medicine Physician in Nevada

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 26, 2026; 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.