Individual provider Active NPI

Oriesa Wiyono Oeij, PA-C

  • Physician Assistant
  • Encinitas, CA
National Provider Identifier
1568020428
Registry record updated Oct 6, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA56848 Issued in CA
Practice address
1505 Encinitas Blvd
Encinitas, CA 92024-2933
Phone
(800) 926-8273
Fax
(888) 539-8781
NPI assigned
Jun 4, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 6, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X PA56848 CA Primary

Addresses

Primary practice location

1505 Encinitas Blvd
Encinitas, CA 92024-2933

Mailing address

File 57326
Los Angeles, CA 90074-7326

Other practice location 1

4510 Executive Dr STE 215
San Diego, CA 92121-3023
Phone (800) 926-8273

Other practice location 2

910 Sycamore Ave Ste 270
Vista, CA 92081-7852
Phone (800) 926-8273

Other practice location 3

16950 Via Tazon
San Diego, CA 92127-1607
Phone (800) 926-8273

Other practice location 4

203 W F St
San Diego, CA 92101-6016
Phone (800) 926-8273

Other practice location 5

2295 Otay Lakes Rd Ste 110
Chula Vista, CA 91915-1160
Phone (800) 926-8273

Other practice location 6

6030 Village Way Ste 200
San Diego, CA 92130-2973
Phone (800) 926-8273

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200106001477 CA Practitioner - Physician Assistant 8123452893 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
UC San Diego Health Community GroupGroup PAC ID 3971849175, 109 clinicians

Practice addresses (Care Compare)

16950 Via Tazon
San Diego, CA 92127-1607
Phone (800) 926-8273

203 W F St
San Diego, CA 92101-6016
Phone (800) 926-8273

4510 Executive Dr
Suite 215
San Diego, CA 92121-3023
Phone (800) 926-8273

Hospital & facility affiliations

  • UC San Diego Health Hillcrest - Hillcrest Med Ctr Hospital, San Diego, CA, CCN 050025

Merit-based Incentive Payment System (MIPS)

Final score
88.48 of 100Reported as group
Quality
92.1
Promoting interoperability
100
Improvement activities
40
Cost
69.49

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
PA56848CAMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Regents of the University of California Past Accepting new patients

Organizations & group practices 4

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.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1559606400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759708800000",
    "number": "1568020428",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "FILE 57326",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900747326"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1505 ENCINITAS BLVD",
            "city": "ENCINITAS",
            "state": "CA",
            "postal_code": "920242933",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4510 Executive Dr STE 215",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921213023",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "910 Sycamore Ave Ste 270",
            "address_purpose": "LOCATION",
            "city": "Vista",
            "state": "CA",
            "postal_code": "920817852",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "16950 Via Tazon",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921271607",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "203 W F St",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921016016",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2295 Otay Lakes Rd Ste 110",
            "address_purpose": "LOCATION",
            "city": "Chula Vista",
            "state": "CA",
            "postal_code": "919151160",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6030 Village Way Ste 200",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921302973",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OEIJ",
        "first_name": "ORIESA",
        "middle_name": "WIYONO",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-06-04",
        "last_updated": "2025-10-06",
        "certification_date": "2025-10-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "PA56848",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Encinitas, CA

Sources for this page

Verify at the official NPI Registry.