NPIMap

Organization Active NPI

MJ Medical Group,Inc.

Doing business as Oceana Gastroenterology Associates

  • Gastroenterology Physician
  • Corona, CA
National Provider Identifier
1699194423
Registry record updated Mar 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
A46078 Issued in CA
Legal business name
MJ MEDICAL GROUP,INC.
Doing business as
Oceana Gastroenterology Associates
Oceana Gastroenterology OC
Practice address
2097 Compton Ave Ste 103
Corona, CA 92881-7289
Phone
(951) 934-0505
Fax
(951) 934-0506
NPI assigned
Apr 9, 2014
Last updated
Mar 17, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Mar 17, 2026

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

Authorized official

Name
Mrs. Roula Jamal
Title
Admin
Phone
(949) 306-5115

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X A46078 CA Primary

Addresses

Primary practice location

2097 Compton Ave Ste 103
Corona, CA 92881-7289

Mailing address

3943 Irvine Blvd
Box#40
Irvine, CA 92602-8840
Phone (951) 934-0505

Other practice location 1

26501 Rancho Pkwy S Ste 103
Lake Forest, CA 92630-8359
Phone (949) 415-7747

Other identifiers 1

IdentifierTypeStateIssuer
1003916727OtherCANPI

Other names 2

  • OCEANA GASTROENTEROLOGY ASSOCIATES Doing business as
  • Oceana Gastroenterology OC Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20140722001124 CA Part B Supplier - Clinic/Group Practice 8022234384 Receives reassigned benefits from 14 practitioners
Practice locations: Corona, CA; Foothill Ranch, CA; Lake Forest, CA

National Provider Directory

National Provider Directory

Locations

2097 Compton Ave
Ste 103
Corona, CA 92881
Phone (951) 934-0505

26501 Rancho Pkwy S
Ste 103
Lake Forest, CA 92630
Phone (949) 306-5115

Practitioners & affiliated clinicians

Practitioners 15

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 15

NPI Registry JSON

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

{
    "created_epoch": "1397001600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1773705600000",
    "number": "1699194423",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3943 IRVINE BLVD",
            "address_2": "BOX#40",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926028840",
            "telephone_number": "951-934-0505"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2097 COMPTON AVE STE 103",
            "city": "CORONA",
            "state": "CA",
            "postal_code": "928817289",
            "telephone_number": "951-934-0505",
            "fax_number": "951-934-0506"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "26501 Rancho Pkwy S Ste 103",
            "address_purpose": "LOCATION",
            "city": "Lake Forest",
            "state": "CA",
            "postal_code": "926308359",
            "country_code": "US",
            "telephone_number": "949-415-7747",
            "fax_number": "949-415-7771",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "MJ MEDICAL GROUP,INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2014-04-09",
        "last_updated": "2026-03-17",
        "certification_date": "2026-03-17",
        "status": "A",
        "authorized_official_last_name": "JAMAL",
        "authorized_official_first_name": "ROULA",
        "authorized_official_title_or_position": "ADMIN",
        "authorized_official_telephone_number": "949-306-5115",
        "authorized_official_name_prefix": "Mrs."
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A46078",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NPI",
            "identifier": "1003916727",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "OCEANA GASTROENTEROLOGY ASSOCIATES",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Oceana Gastroenterology OC",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Corona, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.