Individual provider Active NPI

Scar Guizhi Guo

  • Emergency Medicine Physician
  • Oakland, CA
National Provider Identifier
1407448772
Registry record updated May 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
A198376 Issued in CA
Practice address
1411 E 31St St
Oakland, CA 94602-1092
Phone
(510) 437-4564
NPI assigned
Feb 9, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X A198376 CA Primary

Addresses

Primary practice location

1411 E 31St St
Oakland, CA 94602-1092

Mailing address

1411 E 31St St
Oakland, CA 94602-1018

Other names 1

  • Scarlett Guizhi Guo Former name

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
I20260616000385 CA Practitioner - Emergency Medicine 4284106816 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Johns Hopkins University School of Medicine, 2023
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

PO Box
Altamonte Springs, FL 32716

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
A198376CAMDEmergency Medicine Physician

Organizations & group practices 1

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": "1612828800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779235200000",
    "number": "1407448772",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1411 E 31ST ST",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946021018"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1411 E 31ST ST",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946021092",
            "telephone_number": "510-437-4564"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUO",
        "first_name": "SCAR",
        "middle_name": "GUIZHI",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-02-09",
        "last_updated": "2026-05-20",
        "certification_date": "2026-05-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A198376",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SCARLETT",
            "last_name": "GUO",
            "middle_name": "GUIZHI",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Oakland, CA

Sources for this page

Verify at the official NPI Registry.