Isai Lorenzo Lopez, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

A195042 Issued in CA

Practice address

1111 W la Palma Ave
Anaheim, CA 92801-2804

Phone

(714) 774-1450

NPI assigned

Apr 8, 2021

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Irvine California College of Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Regents of the University ofGroup PAC ID 7517869605, 126 clinicians

Anaheim Emergency Medical GroupGroup PAC ID 9133585029, 21 clinicians

Cep America - CaliforniaGroup PAC ID 6103739131, 1,278 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Uci Health-Lakewood Hospital, Lakewood, CA, CCN 050581
• Uci Health-Orange Hospital, Orange, CA, CCN 050348

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.

• Anaheim Emergency Medical Group

  • Emergency Medicine Physician
  • Anaheim, CA
  • NPI 1114626017
  Medicare reassignment Care Compare group NPD
• Cep America - California

  • Emergency Medicine Physician
  • Santa Ana, CA
  • NPI 1548667843
  Medicare reassignment Care Compare group NPD
• Regents of the University of

  • Emergency Medicine Physician
  • Orange, CA
  • NPI 1154379394
  Medicare reassignment Care Compare group
• Cep America - California

  • Emergency Medicine Physician
  • Glendora, CA
  • NPI 1043684764
  NPD
• Cep America-California

  • Emergency Medicine Physician
  • Murrieta, CA
  • NPI 1588552848
  NPD

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

• University of California Irvine

  • General Acute Care Hospital
  • Lakewood, CA
  • NPI 1184655581
  Care Compare affiliation
• University of California Irvine

  • Urgent Care Clinic/Center
  • Irvine, CA
  • NPI 1518739309

  Hospital

  Care Compare affiliation
• University of California Irvine

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1689608150
  Care Compare affiliation

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

{
    "created_epoch": "1617840000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780963200000",
    "number": "1902486673",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3329 E LOCHLEVEN LN UNIT B",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928692832",
            "telephone_number": "530-574-6642"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1111 W LA PALMA AVE",
            "city": "ANAHEIM",
            "state": "CA",
            "postal_code": "928012804",
            "telephone_number": "714-774-1450"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "101 The City Dr S",
            "address_purpose": "LOCATION",
            "city": "Orange",
            "state": "CA",
            "postal_code": "928683201",
            "country_code": "US",
            "telephone_number": "714-456-8888",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LOPEZ",
        "first_name": "ISAI",
        "middle_name": "LORENZO",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-08",
        "last_updated": "2026-06-09",
        "certification_date": "2026-06-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A195042",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elaine Margarita Lopez
• Emily Lopez
• Evelyn Lopez
• Gabriel Lopez
• Grace Lopez
• Itzel Lopez
• Jacqueline Alicia Lopez, LCSW, PPS
• Jerra Cordova Lopez
• Jessica Ivette Lopez
• Joel A Lopez

• Emergency Medicine Physician in Anaheim, CA
• Providers in Anaheim, 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 9, 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.