Individual provider Active NPI

Jiwon Youm, M.D.

  • Vascular & Interventional Radiology Physician
  • Walnut Creek, CA
National Provider Identifier
1265876478
Registry record updated Dec 12, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Vascular & Interventional Radiology PhysicianTaxonomy code 2085R0204X
License
A138033 Issued in CA
Practice address
2125 Oak Grove Rd Ste 200
Walnut Creek, CA 94598-2520
Phone
(252) 967-1509
NPI assigned
Apr 18, 2013
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 12, 2023

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X A138033 CA
Student in an Organized Health Care Education/Training Program 390200000X
Vascular & Interventional Radiology Physician 2085R0204X A138033 CA Primary

Addresses

Primary practice location

2125 Oak Grove Rd Ste 200
Walnut Creek, CA 94598-2520

Mailing address

2125 Oak Grove Rd Ste 200
Walnut Creek, CA 94598-2520

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq Health Information Exchange (HIE)

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
I20220627002983 CA Practitioner - Diagnostic Radiology 6406147370 Reassigns benefits to 8 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
University of California, San Francisco School of Medicine, 2013
Medicare assignment
May accept Medicare assignment
Group practices
John Muir Magnetic Imaging CenterGroup PAC ID 9032019625, 57 clinicians

Practice addresses (Care Compare)

1601 Ygnacio Valley Rd
Walnut Creek, CA 94598-3122
Phone (925) 295-1545

1601 Ygnacio Vly Rd
Walnut Creek, CA 94596-0921
Phone (925) 939-3000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
90.67 of 100Reported as group
Quality
84.1
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A138033CAMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Magnetic Imaging Affiliates, LLC Diagnostic Radiology CurrentSince Aug 1, 2022 Accepting new patients
Permanente Medical Group Inc Diagnostic Radiology CurrentSince Sep 17, 2022 Accepting new patients
Queens University Medical Group CurrentSince Jan 25, 2025 Accepting new patients
Queens North Hawaii Community Hospital Current Accepting new patients
Permanente Medical Group, Inc CurrentSince Sep 17, 2022 Accepting new patients
Bay Imaging Consultants Medical Group Inc Diagnostic Radiology CurrentSince Jul 1, 2022 Accepting new patients
Bay Imaging Consultants Medical Group Inc Diagnostic Radiology CurrentSince Jul 1, 2022 Accepting new patients
John Muir Magnetic Imaging Center Diagnostic Radiology CurrentSince Jul 1, 2022 Accepting new patients
Michael P Sherman MD PHD, a Medical Corporation CurrentSince May 11, 2023 Accepting new patients
John Muir Trauma Physicians Billing Service Diagnostic Radiology CurrentSince Jan 13, 2026 Accepting new patients
Permanente Medical Group Inc Diagnostic Radiology Current Accepting new patients
Bay Imaging Consultants Medical Group Inc Diagnostic Radiology Current Accepting new patients
Queens North Hawaii Community Hospital CurrentSince Jan 25, 2025 Accepting new patients
John Muir Call Coverage Medical Group, Inc. Past Accepting new patients
Bay Imaging Consultants Medical Group Inc Diagnostic Radiology Past Accepting new patients

Locations (25 of 26)

750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131

2540 East St
Concord, CA 94520
Phone (925) 674-2228

4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738

900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014

5730 Telegraph Ave
Oakland, CA 94609
Phone (510) 204-1507

1800 Harrison St
Fl 7
Oakland, CA 94612

3100 Summit St
Oakland, CA 94609
Phone (510) 869-8377

101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109

1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015

901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500

930 W Main St
Ripon, CA 95366
Phone (209) 599-4221

501 J St
Sacramento, CA 95814
Phone (916) 497-3000

2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000

250 Hospital Pkwy
San Jose, CA 95119
Phone (408) 972-6320

710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400

5615 Scotts Valley Dr
Scotts Valley, CA 95066
Phone (831) 430-2700

7373 West Ln
Stockton, CA 95210
Phone (209) 476-2000

975 Sereno Dr
Vallejo, CA 94589
Phone (707) 651-1000

300 Hospital Dr
#1112
Vallejo, CA 94589
Phone (707) 554-4107

300 Hospital Dr
Vallejo, CA 94589
Phone (707) 554-4107

2125 Oak Grove Rd
Ste 200
Walnut Creek, CA 94598
Phone (925) 993-9440

115 La Casa Via
#100
Walnut Creek, CA 94598
Phone (925) 295-1545

1601 Ygnacio Valley Rd
Walnut Creek, CA 94598
Phone (925) 295-1545

500 Lennon Ln
Walnut Creek, CA 94598
Phone (925) 939-9610

320 N Crawford St
Willows, CA 95988
Phone (530) 934-2834

Organizations & group practices 16

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.

View all 16

Hospital & facility affiliations 5

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": "1366243200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1702339200000",
    "number": "1265876478",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2125 OAK GROVE RD STE 200",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982520"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2125 OAK GROVE RD STE 200",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982520",
            "telephone_number": "252-967-1509"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YOUM",
        "first_name": "JIWON",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-04-18",
        "last_updated": "2023-12-12",
        "certification_date": "2023-12-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A138033",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2085R0204X",
            "taxonomy_group": "",
            "desc": "Radiology, Vascular & Interventional Radiology",
            "state": "CA",
            "license": "A138033",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "250 Hospital Pkwy",
            "city": "San Jose",
            "state": "CA",
            "country_code": "US",
            "postal_code": "951191103",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

Verify at the official NPI Registry.