Individual provider Active NPI

Julia Olson Farmer, MD

  • Internal Medicine Physician
  • Vista, CA
National Provider Identifier
1508959347
Registry record updated Feb 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
C171929 Issued in CA
Practice address
105 Durian St Ste B
Vista, CA 92083-6230
Phone
(760) 631-5000
Fax
(760) 414-3892
NPI assigned
Oct 2, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 26, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 43102 CO
Rheumatology Physician 207RR0500X C171929 CA
Internal Medicine Physician 207R00000X C171929 CA Primary

Addresses

Primary practice location

105 Durian St Ste B
Vista, CA 92083-6230

Mailing address

1000 Vale Terrace Dr
Vista, CA 92084-5218
Phone (760) 631-5000

Other practice location 1

1000 Vale Terrace Dr
Vista, CA 92084-5218
Phone (760) 631-5000

Other identifiers 1

IdentifierTypeStateIssuer
1508959347MedicaidCO

Other names 1

  • Julia Joelle Rhiannon 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
I20250917002139 CA Practitioner - Rheumatology 4587739644 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Rheumatology
Education
University of California, Davis School of Medicine, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Kayal Medical Group IncGroup PAC ID 3678866316, 3 clinicians

Practice addresses (Care Compare)

960 W San Marcos Blvd
Suite 210
San Marcos, CA 92078-1147
Phone (760) 736-8091

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
43102COMDInternal Medicine Physician
C171929CAMDRheumatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Kayal Medical Group Inc. Internal Medicine CurrentSince Aug 1, 2025 Accepting new patients
Harborview Meical Center Past Accepting new patients
Tri-City Hospital Past Accepting new patients
University of Washington Past Accepting new patients
South Coast Global Medical Center, Inc Past Accepting new patients

Locations

960 W San Marcos Blvd
Ste 210
San Marcos, CA 92078
Phone (760) 707-6765

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: julia.rhiannonmd.p1@direct.vistacommunityclinic.nextgenshare.com
  • FHIR API: https://api.platform.athenahealth.com/13982/brand/1/csg/1/fhir/r4

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.

NPI Registry JSON

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

{
    "created_epoch": "1159747200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740528000000",
    "number": "1508959347",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 VALE TERRACE DR",
            "city": "VISTA",
            "state": "CA",
            "postal_code": "920845218",
            "telephone_number": "760-631-5000",
            "fax_number": "760-414-3892"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "105 DURIAN ST STE B",
            "city": "VISTA",
            "state": "CA",
            "postal_code": "920836230",
            "telephone_number": "760-631-5000",
            "fax_number": "760-414-3892"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1000 Vale Terrace Dr",
            "address_purpose": "LOCATION",
            "city": "Vista",
            "state": "CA",
            "postal_code": "920845218",
            "country_code": "US",
            "telephone_number": "760-631-5000",
            "fax_number": "760-414-3892",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FARMER",
        "first_name": "JULIA",
        "middle_name": "OLSON",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-10-02",
        "last_updated": "2025-02-26",
        "certification_date": "2025-02-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "43102",
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "CA",
            "license": "C171929",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "C171929",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1508959347",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "JULIA",
            "last_name": "RHIANNON",
            "middle_name": "JOELLE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Vista, CA

Sources for this page

Verify at the official NPI Registry.