Individual provider Active NPI

Uta Guo

  • Family Medicine Physician
  • Irvine, CA
National Provider Identifier
1225564172
Registry record updated Sep 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
C202986 Issued in CA
Practice address
4050 Barranca Pkwy Ste 200
Irvine, CA 92604-1723
Phone
(949) 551-1090
Fax
(949) 262-5500
NPI assigned
May 11, 2017
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 22, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 306421 NY
Family Medicine Physician 207Q00000X C202986 CA Primary

Addresses

Primary practice location

4050 Barranca Pkwy Ste 200
Irvine, CA 92604-1723

Mailing address

4050 Barranca Pkwy Ste 200
Irvine, CA 92604-1723
Phone (949) 551-1090

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://memorialcare.org/fhir/api/FHIR/R4/ Health Information Exchange (HIE) MemorialCare Medical Foundation

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, CA2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20201104000512 NY Practitioner - Family Practice 8820369259 Reassigns benefits to 1 organization
I20251006003021 CA Practitioner - Family Practice 8820369259 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Memorialcare Medical FoundationGroup PAC ID 8729277314, 555 clinicians

Practice addresses (Care Compare)

4050 Barranca Pkwy
Suite 200
Irvine, CA 92604-1723
Phone (949) 551-1090

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
C202986CAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Icahn School of Medicine at Mount Sinai CurrentSince Nov 1, 2020 Accepting new patients
Memorialcare Medical Foundation Family Medicine CurrentSince Sep 1, 2025 Accepting new patients
Icahn School of Medicine at Mount Sinai Family Medicine CurrentSince Nov 1, 2020 Accepting new patients
Bristol Park Medical Group, Inc Family Medicine Past Accepting new patients

Locations

722 Baker St
Costa Mesa, CA 92626
Phone (714) 557-6300

17360 Brookhurst St
Fountain Vly, CA 92708
Phone (657) 241-3592

4050 Barranca Pkwy
Ste 200
Irvine, CA 92604
Phone (949) 551-1090

518 E 20th St
New York, NY 10009
Phone (646) 682-3555

5 E 98th St
Fl 5
New York, NY 10029
Phone (212) 241-8234

150 E 42nd St
Frnt D
New York, NY 10017

55 E 34th St
New York, NY 10016
Phone (212) 252-6131

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H3359
  • Healthfirst Medicare Network H1722

Interoperability endpoints

  • Direct secure messaging: uguo913395@direct.memorialcare.org

Organizations & group practices 4

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.

NPI Registry JSON

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

{
    "created_epoch": "1494460800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758499200000",
    "number": "1225564172",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4050 BARRANCA PKWY STE 200",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926041723",
            "telephone_number": "949-551-1090",
            "fax_number": "949-262-5500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4050 BARRANCA PKWY STE 200",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926041723",
            "telephone_number": "949-551-1090",
            "fax_number": "949-262-5500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUO",
        "first_name": "UTA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-05-11",
        "last_updated": "2025-09-22",
        "certification_date": "2025-09-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NY",
            "license": "306421",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "C202986",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://memorialcare.org/fhir/api/FHIR/R4/",
            "affiliation": "Y",
            "endpointDescription": "MemorialCare FHIR Endpoint",
            "affiliationName": "MemorialCare Medical Foundation",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "17360 Brookhurst St",
            "city": "Fountain Valley",
            "state": "CA",
            "country_code": "US",
            "postal_code": "927083720",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Irvine, CA

Sources for this page

Verify at the official NPI Registry.