NPIMap

Individual provider Active NPI

John Holloway, DO

  • Diagnostic Radiology Physician
  • San Francisco, CA
National Provider Identifier
1386207801
Registry record updated Jun 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
20A22658 Issued in CA
Practice address
450 Stanyan St
San Francisco, CA 94117-1019
Phone
(714) 456-8888
NPI assigned
Apr 19, 2019
Last updated
Jun 5, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 5, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X 20A22658 CA Primary

Addresses

Primary practice location

450 Stanyan St
San Francisco, CA 94117-1019

Mailing address

450 Stanyan St
San Francisco, CA 94117-1019

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240625002812 CA Practitioner - Diagnostic Radiology 0042549628 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dignity Health Medical FoundationGroup PAC ID 7810800661, 1,211 clinicians
Image Guided Therapeutics IncGroup PAC ID 6608874896, 16 clinicians

Practice addresses (Care Compare)

1595 Soquel Dr
Santa Cruz, CA 95065-1724

1700 Prairie City Rd
Folsom, CA 95630-9594
Phone (916) 351-4800

1730 Prairie City Rd
Suite 120
Folsom, CA 95630-9594
Phone (916) 351-4800

3000 Q St
Sacramento, CA 95816-7058
Phone (916) 560-0319

450 Stanyan St
San Francisco, CA 94117-1019
Phone (415) 750-5770

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
20A22658CAMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Image Guided Therapeutics, Inc. Diagnostic Radiology CurrentSince May 1, 2025 Accepting new patients
UC Regents Diagnostic Radiology CurrentSince Jul 1, 2024 Accepting new patients
Elite Imaging LLC Diagnostic Radiology CurrentSince Apr 26, 2025 Accepting new patients
Dignity Health Medical Foundation Current Accepting new patients
Dignity Health Medical Foundation Current Accepting new patients
Dignity Health Medical Foundation CurrentSince Jul 1, 2025 Accepting new patients
UC Regents Diagnostic Radiology CurrentSince Jul 1, 2024 Accepting new patients
Dignity Health Medical Foundation CurrentSince Jul 1, 2025 Accepting new patients
Elite Imaging, LLC Diagnostic Radiology Current Accepting new patients

Locations

6305 Coyle Ave
Carmichael, CA 95608
Phone (916) 961-6920

18460 Roscoe Blvd
Fl 2
Northridge, CA 91325
Phone (818) 885-5480

101 The City Dr S
Orange, CA 92868
Phone (714) 456-6054

1801 W Olympic Blvd
Pasadena, CA 91199

2510 Airpark Dr
Ste 301
Redding, CA 96001
Phone (530) 242-3500

170 Alameda de las Pulgas
Redwood City, CA 94062
Phone (650) 367-5536

450 Stanyan St
San Francisco, CA 94117
Phone (415) 668-1000

900 Hyde St
San Francisco, CA 94109
Phone (415) 353-6000

1595 Soquel Dr
Ste 400
Santa Cruz, CA 95065
Phone (831) 475-1111

Interoperability endpoints

  • Direct secure messaging: jholloway444635@direct-ucsfmedicalcenter.org

Organizations & group practices 10

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

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": "1555632000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749081600000",
    "number": "1386207801",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "450 STANYAN ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941171019"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "450 STANYAN ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941171019",
            "telephone_number": "714-456-8888"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLLOWAY",
        "first_name": "JOHN",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-19",
        "last_updated": "2025-06-05",
        "certification_date": "2025-06-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "20A22658",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.