Elliot Joel Nielson, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

A206889 Issued in CA

Practice address

101 The City Dr S Ste 835
Orange, CA 92868-3201

Phone

(714) 480-2440

NPI assigned

Mar 24, 2023

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1679616000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778112000000",
    "number": "1023711389",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 S MANCHESTER AVE STE 835",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683213"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 THE CITY DR S STE 835",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683201",
            "telephone_number": "714-480-2440"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIELSON",
        "first_name": "ELLIOT",
        "middle_name": "JOEL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-03-24",
        "last_updated": "2026-05-07",
        "certification_date": "2026-05-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A206889",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nina Christie Nicolas, NP
• Nicole Haydt DDS, Ms Inc
• Carli Shea Nielsen
• Hannah Nielsen
• Julie Ann Nielsen, DDS
• Nancy Niemiec, HIS
• Brittani Nieto
• Jersson Nieto
• Michael Joseph Nieto, M.D.
• Roberta Nieto, MD

• Family Medicine Physician in Orange, CA
• Providers in Orange, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.