Individual provider Active NPI

Joyce P. Lazarus, M.D.

  • Internal Medicine Physician
  • Norco, CA
National Provider Identifier
1831143056
Registry record updated Oct 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A87020 Issued in CA
Practice address
1901 Town and Country Dr Ste 104
Norco, CA 92860-3611
Phone
(951) 737-8141
Fax
(657) 215-4553
NPI assigned
May 20, 2006
Last updated
Oct 1, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 1, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Specialist 174400000X A87020 CA
Internal Medicine Physician 207R00000X A87020 CA Primary

Addresses

Primary practice location

1901 Town and Country Dr Ste 104
Norco, CA 92860-3611

Mailing address

940 N Haven Ave Ste 180-25
Ontario, CA 91764-4970

Other practice location 1

12523 Limonite Ave Ste 400
Eastvale, CA 91752-3666
Phone (951) 808-6300

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
I20060525000148 CA Practitioner - Internal MedicinePractitioner - Geriatric Medicine 0840201174 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Geriatric Medicine
Education
Other, 1988
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Citrus Valley Medical Associates IncGroup PAC ID 0446329932, 14 clinicians

Practice addresses (Care Compare)

1901 Town and Country Dr
Suite 104
Norco, CA 92860-3611
Phone (951) 737-8141

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal or shaving of skin growth1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Citrus Valley Medical Associates, Inc. Internal Medicine CurrentSince Mar 1, 2015 Accepting new patients
Walk-in Medical Care Past Accepting new patients

Locations

12523 Limonite Ave
Ste 400
Eastvale, CA 91752
Phone (951) 398-6868

1901 Town and Country Dr
Ste 104
Norco, CA 92860
Phone (951) 737-8141

940 N Haven Ave
Ste 18025
Ontario, CA 91764

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: joyce.lazarus.p1@direct.cvma.nextgenshare.com

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1148083200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759276800000",
    "number": "1831143056",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "940 N HAVEN AVE STE 180-25",
            "city": "ONTARIO",
            "state": "CA",
            "postal_code": "917644970"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1901 TOWN AND COUNTRY DR STE 104",
            "city": "NORCO",
            "state": "CA",
            "postal_code": "928603611",
            "telephone_number": "951-737-8141",
            "fax_number": "657-215-4553"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "12523 Limonite Ave Ste 400",
            "address_purpose": "LOCATION",
            "city": "Eastvale",
            "state": "CA",
            "postal_code": "917523666",
            "country_code": "US",
            "telephone_number": "951-808-6300",
            "fax_number": "657-215-4553",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LAZARUS",
        "first_name": "JOYCE",
        "middle_name": "P.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-20",
        "last_updated": "2025-10-01",
        "certification_date": "2025-10-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "CA",
            "license": "A87020",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A87020",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Norco, CA

Sources for this page

Verify at the official NPI Registry.