Individual provider Active NPI

Timothy Euiwon Byun, MD

  • Hematology & Oncology Physician
  • Orange, CA
National Provider Identifier
1871545012
Registry record updated Jun 4, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
A70195 Issued in CA
Practice address
805 W la Veta Ave Ste 101
Orange, CA 92868-3928
Phone
(714) 835-1800
NPI assigned
May 16, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 4, 2024

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X A70195 CA Primary

Addresses

Primary practice location

805 W la Veta Ave Ste 101
Orange, CA 92868-3928

Mailing address

805 W la Veta Ave Ste 101
Orange, CA 92868-3928
Phone (714) 835-1800

Other practice location 1

1010 W La Veta Ave
#200
Orange, CA 92868-4300
Phone (714) 835-1800

Other identifiers 2

IdentifierTypeStateIssuer
W969OtherGROUP MCARE
00A701950734MedicaidCA

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
I20040713001680 CA Practitioner - Hematology/OncologyPractitioner - Internal MedicinePractitioner - Medical Oncology 6305824491 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/Oncology
Education
Rush Medical College of Rush University, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Providence Medical FoundationGroup PAC ID 8921993205, 1,461 clinicians

Practice addresses (Care Compare)

1010 W la Veta Ave
Suite 200
Orange, CA 92868-4301
Phone (714) 835-1800

1100 W Stewart Dr
Orange, CA 92868-3849
Phone (714) 633-9111

1950 Sunny Crest Dr
Suite 2900
Fullerton, CA 92835-3641
Phone (714) 992-5350

2212 E 4TH St
Santa Ana, CA 92705-3870
Phone (714) 633-1011

8078 E Santa Ana Canyon Rd
Anaheim, CA 92808-1108
Phone (714) 974-2900

Hospital & facility affiliations

  • Providence at Home With Compassus Home Health Orange County Home health agency, Anaheim, CA, CCN 057600
  • Providence St. Joseph Hospital Hospital, Orange, CA, CCN 050069

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
70195CAMDMarriage & Family Therapist
A70195CAMDHematology & Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Providence Medical Foundation CurrentSince Oct 1, 2019 Accepting new patients
Providence Medical Foundation Current Accepting new patients
St. Joseph Hospital Past Accepting new patients
Providence Medical Foundation Past Accepting new patients
St. Joseph Health Northern California, LLC Past Accepting new patients

Locations

200 W Ctr St Promenade
Ste 300
Anaheim, CA 92805
Phone (714) 449-4841

1950 Sunny Crest Dr
Ste 2900
Fullerton, CA 92835

100 E Valencia Mesa Dr
Ste 105
Fullerton, CA 92835
Phone (714) 446-5200

1010 W La Veta Ave
Ste 200
Orange, CA 92868
Phone (714) 835-1800

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: tbyun1372926@oc.providencedirect.org

Organizations & group practices 5

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 3

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": "1147737600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1717459200000",
    "number": "1871545012",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "805 W LA VETA AVE STE 101",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683928",
            "telephone_number": "714-835-1800",
            "fax_number": "714-835-1811"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "805 W LA VETA AVE STE 101",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683928",
            "telephone_number": "714-835-1800"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1010 W La Veta Ave",
            "address_2": "#200",
            "address_purpose": "LOCATION",
            "city": "Orange",
            "state": "CA",
            "postal_code": "928684300",
            "country_code": "US",
            "telephone_number": "714-835-1800",
            "fax_number": "714-835-1811",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BYUN",
        "first_name": "TIMOTHY",
        "middle_name": "EUIWON",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-16",
        "last_updated": "2024-06-04",
        "certification_date": "2024-06-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "CA",
            "license": "A70195",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GROUP MCARE",
            "identifier": "W969",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A701950734",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Orange, CA

Sources for this page

Verify at the official NPI Registry.