Individual provider Active NPI

Peter Thanhtung Nguyen, D.O.

  • Emergency Medicine Physician
  • Irvine, CA
National Provider Identifier
1871933366
Registry record updated Nov 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
20A14978 Issued in CA
Practice address
1000 Fivepoint
Irvine, CA 92618-2377
Phone
(888) 333-4673
NPI assigned
Jun 27, 2013
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 24, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 20A14978 CA Primary
Emergency Medicine Physician 207P00000X OP70029432 WA

Addresses

Primary practice location

1000 Fivepoint
Irvine, CA 92618-2377

Mailing address

1000 Fivepoint
Irvine, CA 92618-2621
Phone (847) 342-6842

Other practice location 1

1500 Duarte Rd
Duarte, CA 91010-3012
Phone (800) 826-4673

Other practice location 2

2420 S State St
Tacoma, WA 98405-2845
Phone (510) 867-2515

Electronic endpoints 2

TypeEndpointUseAffiliation
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
Direct Messaging Address direct@cityofhope.direct-ci.com Direct CITY OF HOPE MEDICAL FOUNDATION

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20170616002298 CA Practitioner - Emergency Medicine 3870893795 Reassigns benefits to 8 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Arizona College of Osteopathic Medicine Mid Western University, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Franciscan Medical GroupGroup PAC ID 0547173866, 1,400 clinicians
DRH Medical GroupGroup PAC ID 1456794866, 25 clinicians
City of Hope Medical FoundationGroup PAC ID 3779751656, 964 clinicians
Cep America - CaliforniaGroup PAC ID 6103739131, 1,278 clinicians

Practice addresses (Care Compare)

Irvine, CA 92602
Phone (253) 792-4363

Oakland, CA 94609
Phone (808) 808-2000

1000 Fivepoint
Irvine, CA 92618-2377
Phone (949) 671-4673

12601 Garden Grove Blvd
Garden Grove, CA 92843-1908
Phone (714) 537-5160

Hospital & facility affiliations

  • City of Hope Helford Clinical Research Hospital Hospital, Duarte, CA, CCN 050146
  • Garden Grove Hospital & Medical Center Hospital, Garden Grove, CA, CCN 050230
  • Hoag Memorial Hospital Presbyterian Hospital, Newport Beach, CA, CCN 050224

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
20A14978CAMDEmergency Medicine Physician
OP70029432WAMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Southern California Permanente Medical Group Current Accepting new patients
Cep America - California Emergency Medicine Current Accepting new patients
Southern California Permanente Medical Group CurrentSince May 6, 2017 Accepting new patients
Cep America-California Emergency Medicine CurrentSince Jan 1, 2025 Accepting new patients
Southern California Permanente Medical Group CurrentSince Apr 19, 2018 Accepting new patients
Gem Medical Group Corporation Emergency Medicine CurrentSince Apr 1, 2025 Accepting new patients
North County Health Project Inc CurrentSince Apr 15, 2025 Accepting new patients
North County Health Project Inc Current Accepting new patients
Southern California Permanente Medical Group Current Accepting new patients
North County Health Project Inc CurrentSince Apr 15, 2025 Accepting new patients
Cep America - California Emergency Medicine CurrentSince Jan 1, 2025 Accepting new patients
City of Hope Medical Foundation CurrentSince Jul 15, 2025 Accepting new patients
Franciscan Medical Group CurrentSince Nov 1, 2025 Accepting new patients
Southern California Permanente Medical Group CurrentSince May 6, 2017 Accepting new patients
DRH Medical Group Past Accepting new patients
Franciscan Medical Group Past Accepting new patients
Gem Medical Group Corporation Emergency Medicine Past Accepting new patients

Locations

5475 E La Palma Ave
Anaheim, CA 92807
Phone (714) 279-6088

9333 Rosecrans Ave
Bellflower, CA 90706
Phone (562) 461-3340

9333 Imperial Hwy
Downey, CA 90242
Phone (562) 657-8850

1500 Duarte Rd
Duarte, CA 91010
Phone (626) 359-8111

9961 Sierra Ave
Fontana, CA 92335
Phone (909) 427-3910

12601 Garden Grove Blvd
Garden Grove, CA 92843
Phone (714) 537-5160

25825 Vermont Ave
Harbor City, CA 90710
Phone (310) 325-5111

1000 Fivepoint
Irvine, CA 92618
Phone (888) 333-4673

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

900 S Atlantic Blvd
Monterey Park, CA 91754
Phone (626) 457-7450

525 N Garfield Ave
Monterey Park, CA 91754
Phone (626) 573-2222

1601 Avocado Ave
Newport Beach, CA 92660
Phone (949) 763-2204

3998 Vista Way
Ste 200
Oceanside, CA 92056
Phone (760) 724-5352

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

150 Valpreda Rd
San Marcos, CA 92069
Phone (619) 736-6700

1701 Santa Anita Ave
South El Monte, CA 91733
Phone (626) 350-7916

9080 Colima Rd
Whittier, CA 90605
Phone (562) 907-1565

2420 S State St
Tacoma, WA 98405
Phone (253) 426-4000

Interoperability endpoints

  • Direct secure messaging: pnguyen923340@fhsce.catholichealth.net
  • Direct secure messaging: direct@cityofhope.direct-ci.com
  • Direct secure messaging: pnguyen788933@direct.ochin.org
  • Direct secure messaging: pnguyen270862@cityofhope.direct-ci.com

Organizations & group practices 17

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.

View all 17

Hospital & facility affiliations 3

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": "1372291200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763942400000",
    "number": "1871933366",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 FIVEPOINT",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926182621",
            "telephone_number": "847-342-6842"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 FIVEPOINT",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926182377",
            "telephone_number": "888-333-4673"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1500 Duarte Rd",
            "address_purpose": "LOCATION",
            "city": "Duarte",
            "state": "CA",
            "postal_code": "910103012",
            "country_code": "US",
            "telephone_number": "800-826-4673",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2420 S State St",
            "address_purpose": "LOCATION",
            "city": "Tacoma",
            "state": "WA",
            "postal_code": "984052845",
            "country_code": "US",
            "telephone_number": "510-867-2515",
            "fax_number": "510-867-2515",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "PETER",
        "middle_name": "THANHTUNG",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-06-27",
        "last_updated": "2025-11-24",
        "certification_date": "2025-11-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "20A14978",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WA",
            "license": "OP70029432",
            "primary": false
        }
    ],
    "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": "9333 Imperial Hwy",
            "city": "Downey",
            "state": "CA",
            "country_code": "US",
            "postal_code": "902422812",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "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": []
}

Other providers in Irvine, CA

Sources for this page

Verify at the official NPI Registry.