Julian J. Nicholas, M.D.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

A72818 Issued in CA

Practice address

2400 S Avenue a
Yuma, AZ 85364-7170

Phone

(928) 344-2000

NPI assigned

Sep 3, 2006

Reactivated

Mar 5, 2026

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

Other identifiers 4

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Riverside Medical Clinic, Inc

  • Dermatology Physician
  • Riverside, CA
  • NPI 1720183403
  NPD
• Scripps Clinic Medical Group

  • Multi-Specialty Clinic/Center
  • San Diego, CA
  • NPI 1124003280
  NPD (past)
• Scripps Clinic Medical Group, Inc

  • Radiation Oncology Physician
  • San Diego, CA
  • NPI 1073853180
  NPD (past)

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

{
    "created_epoch": "1157241600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772668800000",
    "number": "1033211685",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7891 PIPIT PL",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921294532"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2400 S AVENUE A",
            "city": "YUMA",
            "state": "AZ",
            "postal_code": "853647170",
            "telephone_number": "928-344-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "21634 Retreat Pkwy",
            "address_purpose": "LOCATION",
            "city": "Corona",
            "state": "CA",
            "postal_code": "928836100",
            "country_code": "US",
            "telephone_number": "951-683-6370",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NICHOLAS",
        "first_name": "JULIAN",
        "middle_name": "J.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-03",
        "last_updated": "2026-03-05",
        "certification_date": "2024-09-16",
        "deactivation_date": "2025-12-16",
        "reactivation_date": "2026-03-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A72818",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "110218178",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CHAMPUS",
            "identifier": "F675",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CHAMPUS",
            "identifier": "B179",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A728180",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Hanh Tien Thi Nguyen, MD
• Khang Nguyen, PA
• Leyah Nguyen, PHARMD
• Nhut Nguyen, MD
• Sang M Nguyen
• Ashley Taylor Nickerson, PA
• Lisa Nickle
• Alissa J Nieves
• Krishna Nimmagadda
• Stephen Njoroge, MD

• Gastroenterology Physician in Yuma, AZ
• Providers in Yuma, AZ by specialty
• Gastroenterology Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 5, 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.