Leroy Sims, M.D., M.SC.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

A105514 Issued in CA

Practice address

1250 16TH St Ste 2100
Santa Monica, CA 90404-1249

Phone

(424) 259-6593

NPI assigned

Jul 5, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: lsims172304@hisp.ehr.sutterhealth.org

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.

• Sutter East Bay Medical Foundation

  • Family Medicine Physician
  • Orinda, CA
  • NPI 1871538769

  Emergency Medicine

  NPD (past)

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

{
    "created_epoch": "1183593600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784073600000",
    "number": "1225236904",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5767 W CENTURY BLVD STE 400",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900455631"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1250 16TH ST STE 2100",
            "city": "SANTA MONICA",
            "state": "CA",
            "postal_code": "904041249",
            "telephone_number": "424-259-6593"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1501 Trousdale Dr",
            "address_2": "Mills-Peninsula Medical Center, Emergency Department",
            "address_purpose": "LOCATION",
            "city": "Burlingame",
            "state": "CA",
            "postal_code": "940104506",
            "country_code": "US",
            "telephone_number": "650-696-5446",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIMS",
        "first_name": "LEROY",
        "credential": "M.D., M.SC.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-07-05",
        "last_updated": "2026-07-15",
        "certification_date": "2026-07-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A105514",
            "primary": true
        },
        {
            "code": "207PS0010X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Sports Medicine",
            "state": "CA",
            "license": "A105514",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Thomas Simon, M.F.T.
• Ryan Simone, D.D.S.
• Jonathan W Simons, M.D.
• Jennifer Simpkins, CH.T
• Laura Diane Simpler
• Sheryl Lahn Sims, LCSW
• Soheil Simzar, M.D.
• Ava Sinaei, DMD
• Erin Sinai
• Shirin Sinai

• Emergency Medicine Physician in Santa Monica, CA
• Providers in Santa Monica, 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 Jul 15, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.