Individual provider Active NPI

Jungmo James Gahng, MD

  • Diagnostic Radiology Physician
  • Palo Alto, CA
National Provider Identifier
1598392896
Registry record updated Jul 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
A200777 Issued in CA
Practice address
300 Pasteur Dr
Palo Alto, CA 94304-2203
Phone
(650) 723-4000
NPI assigned
Mar 25, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 8, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
General Practice Physician 208D00000X A200777 CA
Diagnostic Radiology Physician 2085R0202X A200777 CA Primary
Diagnostic Neuroimaging (Radiology) Physician 2085D0003X A200777 CA

Addresses

Primary practice location

300 Pasteur Dr
Palo Alto, CA 94304-2203

Mailing address

300 Pasteur Dr
Palo Alto, CA 94304-2203
Phone (650) 723-4000

Other practice location 1

453 Quarry Rd
Palo Alto, CA 94304-1419
Phone (650) 725-6344

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
I20250716001166 CA Practitioner - Diagnostic Radiology 6507371770 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Sutter Valley Medical FoundationGroup PAC ID 9830094515, 2,473 clinicians
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

1 Medical Plaza Dr
Roseville, CA 95661-3037
Phone (916) 454-6868

1640 E Roseville Pkwy
Suite 9
Roseville, CA 95661-3902
Phone (916) 784-2277

1651 Exposition Blvd
Sacramento, CA 95815-5149
Phone (916) 731-7770

1655 Creekside Dr
Folsom, CA 95630-3489
Phone (916) 984-0739

1661 Creekside Dr
Folsom, CA 95630-3489
Phone (916) 984-0739

16911 Willow Glen Rd
Brownsville, CA 95919-9707
Phone (530) 675-2457

2 Medical Plaza Dr
Roseville, CA 95661-3042

200 Mission Blvd
Jackson, CA 95642-2564
Phone (916) 733-3777

2261 Douglas Blvd
Roseville, CA 95661-3831
Phone (916) 791-0900

250 W Main St
Woodland, CA 95695-3652
Phone (916) 668-6100

2800 L St
Sacramento, CA 95816-5616

2825 Capitol Ave
Sacramento, CA 95816-6039
Phone (916) 454-6600

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

3133 Professional Dr
Auburn, CA 95603-2463
Phone (530) 885-8821

3161 L St
Sacramento, CA 95816-5234
Phone (916) 453-9999

406 Sunrise Ave
Roseville, CA 95661-4106
Phone (916) 755-7235

440 Plumas Blvd
Yuba City, CA 95991-5071
Phone (530) 749-3409

444 Plumas Blvd
Yuba City, CA 95991-5071
Phone (530) 749-3420

470 Plumas Blvd
Suite 201
Yuba City, CA 95991-5077
Phone (530) 741-3358

550 B St
Yuba City, CA 95991-5067
Phone (530) 749-3650

8118 Timberlake Way
Sacramento, CA 95823-5400
Phone (916) 681-8852

815 Court St
Jackson, CA 95642-2154

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A200777CAMDGeneral Practice Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stanford Health Care CurrentSince Jul 1, 2025 Accepting new patients
Stanford Health Care Diagnostic Radiology CurrentSince Jul 1, 2025 Accepting new patients
Stanford Health Care Diagnostic Radiology Current Accepting new patients
Sutter Valley Medical Foundation Diagnostic Radiology Current Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince Feb 17, 2026 Accepting new patients
Sutter Valley Medical Foundation CurrentSince Oct 20, 2025 Accepting new patients
Sutter Valley Medical Foundation CurrentSince Oct 20, 2025 Accepting new patients

Locations

2720 Low Ct
Fairfield, CA 94534
Phone (707) 428-2731

815 Court St
Ste 7
Jackson, CA 95642
Phone (209) 257-5900

600 Coffee Rd
Modesto, CA 95355
Phone (209) 550-4755

300 Pasteur Dr
Palo Alto, CA 94304
Phone (650) 723-6469

725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979

2800 L St
Ste 500
Sacramento, CA 95816
Phone (916) 454-6850

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

250 W Main St
Woodland, CA 95695
Phone (916) 668-6100

Interoperability endpoints

  • Direct secure messaging: jgahng751767@hisp.ehr.sutterhealth.org

Organizations & group practices 7

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 10

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": "1585094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783468800000",
    "number": "1598392896",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943042203",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943042203",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "453 Quarry Rd",
            "address_purpose": "LOCATION",
            "city": "Palo Alto",
            "state": "CA",
            "postal_code": "943041419",
            "country_code": "US",
            "telephone_number": "650-725-6344",
            "fax_number": "650-736-1523",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GAHNG",
        "first_name": "JUNGMO",
        "middle_name": "JAMES",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-25",
        "last_updated": "2026-07-08",
        "certification_date": "2026-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "CA",
            "license": "A200777",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A200777",
            "primary": true
        },
        {
            "code": "2085D0003X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Neuroimaging",
            "state": "CA",
            "license": "A200777",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Palo Alto, CA

Sources for this page

Verify at the official NPI Registry.