Individual provider Active NPI

Brian Melton Loui, MD

  • Internal Medicine Physician
  • San Diego, CA
National Provider Identifier
1801536636
Registry record updated Aug 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A191358 Issued in CA
Practice address
1809 National Ave
San Diego, CA 92113-2113
Phone
(619) 515-2300
NPI assigned
Mar 30, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 25, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Internal Medicine Physician 207R00000X A191358 CA Primary

Addresses

Primary practice location

1809 National Ave
San Diego, CA 92113-2113

Mailing address

823 Gateway Center Way
San Diego, CA 92102-4541
Phone (619) 515-2300

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
I20250814000181 CA Practitioner - Internal Medicine 1951809334 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Loma Linda University School of Medicine, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Family Health Centers of San Diego IncGroup PAC ID 3476446378, 299 clinicians
Scripps Health Inpatient Providers Medical Group IncGroup PAC ID 9436314762, 209 clinicians

Practice addresses (Care Compare)

1000 Euclid Ave
National City, CA 91950-3856
Phone (619) 515-2399

4077 5TH Ave
San Diego, CA 92103-2105
Phone (619) 294-8111

8788 Jamacha Rd
Spring Valley, CA 91977-4035
Phone (619) 515-2555

Hospital & facility affiliations

  • Scripps Mercy Hospital Hospital, San Diego, CA, CCN 050077
  • Paradise Valley Hospital Hospital, National City, CA, CCN 050024

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A191358CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Family Health Centers of San Diego Inc CurrentSince Aug 11, 2025 Accepting new patients
Scripps Health Inpatient Providers Medical Group Inc. CurrentSince Aug 31, 2025 Accepting new patients
Family Health Centers of San Diego, Inc Current Accepting new patients
Family Health Centers of San Diego, Inc CurrentSince Aug 11, 2025 Accepting new patients
Scripps Health Current Accepting new patients

Locations

435 H St
Chula Vista, CA 91910
Phone (619) 691-7000

1809 National Ave
San Diego, CA 92113
Phone (619) 515-2500

550 Washington St
Ste 725727
San Diego, CA 92103
Phone (619) 713-7974

823 Gateway Center Way
San Diego, CA 92102
Phone (619) 515-2323

4077 5th Ave
#35
San Diego, CA 92103
Phone (619) 260-7220

4077 5th Ave
San Diego, CA 92103
Phone (619) 260-7245

Organizations & group practices 5

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": "1648598400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756080000000",
    "number": "1801536636",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "823 GATEWAY CENTER WAY",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921024541",
            "telephone_number": "619-515-2300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1809 NATIONAL AVE",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921132113",
            "telephone_number": "619-515-2300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LOUI",
        "first_name": "BRIAN",
        "middle_name": "MELTON",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-30",
        "last_updated": "2025-08-25",
        "certification_date": "2025-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A191358",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Diego, CA

Sources for this page

Verify at the official NPI Registry.