NPIMap

Individual provider Active NPI

James Douglas Mitchell, MD

  • Radiation Oncology Physician
  • Walnut Creek, CA
National Provider Identifier
1700057569
Registry record updated Mar 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
A122777 Issued in CA
Practice address
575 Lennon LN
Walnut Creek, CA 94598-2443
Phone
(925) 433-8786
Fax
(925) 433-8788
NPI assigned
Mar 19, 2008
Last updated
Mar 3, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 3, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology Physician 2085R0001X A122777 CA Primary

Addresses

Primary practice location

575 Lennon LN
Walnut Creek, CA 94598-2443

Mailing address

575 Lennon LN
Walnut Creek, CA 94598-2443
Phone (925) 433-8786

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
I20170619002182 CA Practitioner - Radiation Oncology 4284803131 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Radiation Oncology
Education
Tulane University School of Medicine, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Bass Medical GroupGroup PAC ID 9032111281, 292 clinicians

Practice addresses (Care Compare)

1505 Saint Alphonsus Way
Alamo, CA 94507-1570
Phone (925) 932-6330

2001 Dwight Way
Berkeley, CA 94704-2608
Phone (510) 204-5311

575 Lennon LN
Walnut Creek, CA 94598-2443
Phone (925) 378-4512

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A122777CAMDRadiation Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Advanced Sleep Diagnostics, Inc. CurrentSince Aug 1, 2022 Accepting new patients
Northbay Healthcare Group CurrentSince Jan 2, 2019 Accepting new patients
John Muir Trauma Physicians Billing Service CurrentSince Mar 26, 2018 Accepting new patients
Bass Medical Group CurrentSince Aug 1, 2022 Accepting new patients
Bass Medical Group Current Accepting new patients
Northbay Healthcare Group Current Accepting new patients
John Muir Trauma Physicians Billing Service Current Accepting new patients
Northern California Radiation Therapists & Oncologists Medical Group I Radiation Oncology CurrentSince Dec 1, 2024 Accepting new patients
Singing River Health System Past Accepting new patients
Sutter Bay Hospitals Past Accepting new patients
John Muir Health Past Accepting new patients
Eden Medical Center/San Leandro Hospital Campus Past Accepting new patients
Bass Medical Group Past Accepting new patients
John Muir Health Past Accepting new patients

Locations

1505 Saint Alphonsus Way
Alamo, CA 94507
Phone (925) 837-4225

2001 Dwight Way
Berkeley, CA 94704
Phone (510) 204-1880

1200 B Gale Wilson Blvd
Fairfield, CA 94533
Phone (707) 429-3600

450 Glass Ln
Ste C
Modesto, CA 95356

101 Bodin Cir
Travis AFB, CA 94535
Phone (707) 423-3000

1020 Nut Tree Rd
Ste 390
Vacaville, CA 95687
Phone (707) 624-8000

1000 Nut Tree Rd
Vacaville, CA 95687
Phone (707) 446-4000

1020 Nut Tree Rd
Ste 190
Vacaville, CA 95687
Phone (707) 624-8100

575 Lennon Ln
Walnut Creek, CA 94598
Phone (925) 378-4512

2637 Shadelands Dr
Walnut Creek, CA 94598
Phone (925) 627-3424

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

355 Lennon Ln
Ste 205
Walnut Creek, CA 94598
Phone (925) 935-0627

Interoperability endpoints

  • Direct secure messaging: jmitchell341845@hisp.ehr.sutterhealth.org
  • Direct secure messaging: jmitchell111396@ehr.johnmuirhealth.com

Organizations & group practices 14

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.

View all 14

Hospital & facility affiliations 13

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

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1205884800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740960000000",
    "number": "1700057569",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "575 LENNON LN",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982443",
            "telephone_number": "925-433-8786",
            "fax_number": "925-433-8788"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "575 LENNON LN",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982443",
            "telephone_number": "925-433-8786",
            "fax_number": "925-433-8788"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MITCHELL",
        "first_name": "JAMES",
        "middle_name": "DOUGLAS",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-03-19",
        "last_updated": "2025-03-03",
        "certification_date": "2025-03-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "CA",
            "license": "A122777",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

Verify at the official NPI Registry.