Individual provider Active NPI

Michelle My Phung Nguyen, MD

  • Emergency Medicine Physician
  • Orange, CA
National Provider Identifier
1407367618
Registry record updated Nov 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
A192930 Issued in CA
Practice address
101 The City Dr S
Orange, CA 92868-3201
Phone
(714) 456-8888
NPI assigned
Oct 14, 2017
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 12, 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 A192930 CA Primary
Internal Medicine Physician 207R00000X A192930 CA

Addresses

Primary practice location

101 The City Dr S
Orange, CA 92868-3201

Mailing address

File 57326
Los Angeles, CA 90074-7326
Phone (800) 926-8273

Other practice location 1

200 W Arbor Dr
San Diego, CA 92103-9000
Phone (800) 926-8273

Other practice location 2

701 Park Ave
Minneapolis, MN 55415-1623
Phone (612) 873-3000

Other practice location 3

4610 X St
Sacramento, CA 95817-2200
Phone (916) 816-6260

Other practice location 4

6655 Alvarado Rd
San Diego, CA 92120-5208
Phone (800) 926-8273

Other practice location 5

9300 Campus Point Dr
LA Jolla, CA 92037-1300
Phone (800) 926-8273

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
I20240614001559 CA Practitioner - Emergency MedicinePractitioner - Internal Medicine 8527395623 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency MedicineAlso: Internal Medicine
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Regents of the University ofGroup PAC ID 7517869605, 126 clinicians

Practice addresses (Care Compare)

101 The City Dr S
Orange, CA 92868-3201
Phone (714) 456-7004

200 W Arbor Dr
San Diego, CA 92103-9000
Phone (858) 657-7000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
90.77 of 100Reported as group
Quality
84.13
Promoting interoperability
100
Improvement activities
40
Cost
73.88

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A192930CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Regents of the University of California Current Accepting new patients
Regents of the University of Emergency Medicine CurrentSince Nov 1, 2025 Accepting new patients
Regents of the University of California Emergency Medicine CurrentSince Jul 1, 2024 Accepting new patients
Regents of the University of California Internal Medicine CurrentSince Jul 1, 2024 Accepting new patients
Regents of the University of California CurrentSince Jul 1, 2024 Accepting new patients
Regents of the University of California Ucsd Head and Neck Surgery Past Accepting new patients
University of California Irvine Past Accepting new patients

Locations

9300 Campus Point Dr
La Jolla, CA 92037
Phone (619) 957-7000

File 57326
Los Angeles, CA 90074

101 The City Dr S
Orange, CA 92868
Phone (714) 456-6054

6655 Alvarado Rd
San Diego, CA 92120
Phone (619) 229-3130

200 W Arbor Dr
San Diego, CA 92103
Phone (619) 543-5754

Organizations & group practices 7

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 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": "1507939200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762905600000",
    "number": "1407367618",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "FILE 57326",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900747326",
            "telephone_number": "800-926-8273"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 THE CITY DR S",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683201",
            "telephone_number": "714-456-8888"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "200 W Arbor Dr",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921039000",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "701 Park Ave",
            "address_purpose": "LOCATION",
            "city": "Minneapolis",
            "state": "MN",
            "postal_code": "554151623",
            "country_code": "US",
            "telephone_number": "612-873-3000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4610 X St",
            "address_purpose": "LOCATION",
            "city": "Sacramento",
            "state": "CA",
            "postal_code": "958172200",
            "country_code": "US",
            "telephone_number": "916-816-6260",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6655 Alvarado Rd",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921205208",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9300 Campus Point Dr",
            "address_purpose": "LOCATION",
            "city": "LA Jolla",
            "state": "CA",
            "postal_code": "920371300",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "MICHELLE",
        "middle_name": "MY PHUNG",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-10-14",
        "last_updated": "2025-11-12",
        "certification_date": "2025-11-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A192930",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A192930",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Orange, CA

Sources for this page

Verify at the official NPI Registry.