Individual provider Active NPI

Maximillian Youchun Yang, MD

  • Emergency Medicine Physician
  • Los Angeles, CA
National Provider Identifier
1174690192
Registry record updated Jan 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
A70600 Issued in CA
Practice address
6041 Cadillac Ave
Los Angeles, CA 90034-1702
Phone
(323) 857-2000
NPI assigned
Nov 29, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 30, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X DR.0074503 CO
Emergency Medicine Physician 207P00000X MD61636877 WA
Emergency Medicine Physician 207P00000X MD223587 OR
Emergency Medicine Physician 207P00000X A70600 CA Primary

Addresses

Primary practice location

6041 Cadillac Ave
Los Angeles, CA 90034-1702

Mailing address

6041 Cadillac Ave
Los Angeles, CA 90034-1702
Phone (323) 857-2000

Other practice location 1

10350 E Dakota Ave
Denver, CO 80247-1314
Phone (303) 338-4545

Other practice location 2

3175 NE Aloclek Dr
Hillsboro, OR 97124-7135
Phone (800) 813-2000

Other practice location 3

201 16th Ave E
Seattle, WA 98112-5226
Phone (206) 326-3000

Electronic endpoints 3

TypeEndpointUseAffiliation
SOAP URL https://careepiceast.kp.org:14430/Interconnect-prodcom/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq Health Information Exchange (HIE)
SOAP URL https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq Health Information Exchange (HIE) Southern California Permanente Medical Group
SOAP URL https://careepicwa.kp.org:14430/Interconnect-CE-PRD/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, WA, CO, OR4 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 4

Enrollment IDStateProvider typePAC IDDetails
I20031218001018 CA Practitioner - Emergency Medicine 2466359120 Reassigns benefits to 1 organization
I20250319003670 WA Practitioner - Emergency Medicine 2466359120 Reassigns benefits to 2 organizations
I20250325003903 CO Practitioner - Emergency Medicine 2466359120 Reassigns benefits to 1 organization
I20260221000900 OR Practitioner - Emergency Medicine 2466359120 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Hahnemann University College of Medicine, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

500 NE Multnomah St
Suite 100
Portland, OR 97232-2031

Hospital & facility affiliations

  • Kaiser Foundation Hospital - West la Hospital, Los Angeles, CA, CCN 050561

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A70600CAMDEmergency Medicine Physician
MD223587ORMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Kaiser Foundation Health Plan of the Northwest CurrentSince Jan 7, 2026 Accepting new patients
Southern California Permanente Medical Group CurrentSince Jun 1, 2002 Accepting new patients
Kaiser Foundation Health Plan of Washington CurrentSince Mar 1, 2025 Accepting new patients
Kaiser Foundation Health Plan of Washington Current Accepting new patients
Colorado Permanente Medical Group, P.C. Emergency Medicine CurrentSince Apr 1, 2025 Accepting new patients
Kaiser Foundation Health Plan of the Northwest Emergency Medicine CurrentSince Jan 7, 2026 Accepting new patients
Kaiser Foundation Health Plan of Washington CurrentSince Mar 1, 2025 Accepting new patients
Southern California Permanente Medical Group Current Accepting new patients
Southern California Permanente Medical Group CurrentSince Jun 1, 2002 Accepting new patients
Kaiser Foundation Health Plan of the Northwest Emergency Medicine CurrentSince Feb 15, 2026 Accepting new patients

Locations

17284 Slover Ave
Fontana, CA 92337
Phone (909) 609-3326

4733 W Sunset Blvd
Los Angeles, CA 90027
Phone (213) 667-4784

6041 Cadillac Ave
Los Angeles, CA 90034
Phone (323) 857-2000

393 E Walnut St
Fl 3
Pasadena, CA 91188
Phone (626) 405-7914

5601 De Soto Ave
Woodland Hls, CA 91367
Phone (818) 719-2000

10350 E Dakota Ave
Denver, CO 80247
Phone (303) 636-3350

10350 E Dakota Ave
Ofc
Denver, CO 80247
Phone (303) 344-7771

10100 SE Sunnyside Rd
Clackamas, OR 97015
Phone (503) 571-2946

3175 NE Aloclek Dr
Hillsboro, OR 97124
Phone (503) 240-6148

2400 Lancaster Dr NE
Salem, OR 97305
Phone (503) 361-5400

1230 7th Ave
Longview, WA 98632
Phone (360) 575-4801

200 15th Ave E
Seattle, WA 98112
Phone (206) 326-4530

201 16th Ave E
Seattle, WA 98112
Phone (206) 326-4545

9505 S Steele St
Tacoma, WA 98444
Phone (253) 597-6800

7101 NE 137th Ave
Vancouver, WA 98682
Phone (360) 418-6000

14406 NE 20th Ave
Vancouver, WA 98686
Phone (360) 418-6001

Organizations & group practices 10

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1164758400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769731200000",
    "number": "1174690192",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6041 CADILLAC AVE",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900341702",
            "telephone_number": "323-857-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6041 CADILLAC AVE",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900341702",
            "telephone_number": "323-857-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10350 E Dakota Ave",
            "address_purpose": "LOCATION",
            "city": "Denver",
            "state": "CO",
            "postal_code": "802471314",
            "country_code": "US",
            "telephone_number": "303-338-4545",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3175 NE Aloclek Dr",
            "address_purpose": "LOCATION",
            "city": "Hillsboro",
            "state": "OR",
            "postal_code": "971247135",
            "country_code": "US",
            "telephone_number": "800-813-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "201 16th Ave E",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981125226",
            "country_code": "US",
            "telephone_number": "206-326-3000",
            "fax_number": "877-515-2975",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YANG",
        "first_name": "MAXIMILLIAN",
        "middle_name": "YOUCHUN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-29",
        "last_updated": "2026-01-30",
        "certification_date": "2026-01-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CO",
            "license": "DR.0074503",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WA",
            "license": "MD61636877",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "OR",
            "license": "MD223587",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A70600",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepiceast.kp.org:14430/Interconnect-prodcom/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "10350 E Dakota Ave",
            "city": "Denver",
            "state": "CO",
            "country_code": "US",
            "postal_code": "802471314",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "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": "6041 Cadillac Ave",
            "city": "Los Angeles",
            "state": "CA",
            "country_code": "US",
            "postal_code": "900341702",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwa.kp.org:14430/Interconnect-CE-PRD/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "201 16th Ave E",
            "city": "Seattle",
            "state": "WA",
            "country_code": "US",
            "postal_code": "981125226",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Los Angeles, CA

Sources for this page

Verify at the official NPI Registry.