Individual provider Active NPI

Danielle Marie Bertoni, MD

  • Surgery Physician
  • Walnut Creek, CA
National Provider Identifier
1780843185
Registry record updated Sep 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
A105375 Issued in CA
Practice address
575 Lennon LN
Walnut Creek, CA 94598-2443
Phone
(925) 433-8786
Fax
(925) 433-8788
NPI assigned
Jun 2, 2008
Last updated
Sep 2, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 2, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X A105375 CA Primary
Surgical Oncology Physician 2086X0206X A105375 CA

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

Other practice location 1

6600 Lone Tree Way
Brentwood, CA 94513-5256
Phone (925) 433-8786

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
I20140811001522 CA Practitioner - Surgical OncologyPractitioner - General Surgery 1153545884 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Surgical OncologyAlso: General Surgery
Education
Other, 2007
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

2637 Shadelands Dr
Walnut Creek, CA 94598-2512
Phone (925) 378-4512

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

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
97.89 of 100Reported as individual
Quality
96
Promoting interoperability
100
Improvement activities
40
Cost
96.96

Procedures performed for Medicare patients

ProcedureNumber of procedures
Mastectomy31
Melanoma (skin cancer) excision12
Skin biopsy1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A105375CAMDSurgical Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Bass Medical Group Current Accepting new patients
Bay Area Surgical Specialists, Inc a Medical Corporation CurrentSince Jul 18, 2022 Accepting new patients
Bass Medical Group CurrentSince Jul 18, 2022 Accepting new patients
Bass Medical Group Past Accepting new patients
Stanford Hospital and Clinics Past Accepting new patients
Good Samaritan Hospital Corvallis PastSince Nov 1, 2020 Accepting new patients
Yale New Haven Hospital Past Accepting new patients
John Muir Health Past Accepting new patients
John Muir Health Past Accepting new patients

Locations

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

6600 Lone Tree Way
Brentwood, CA 94513
Phone (925) 433-8786

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

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

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: dbertoni154683@ehr.johnmuirhealth.com
  • Direct secure messaging: dbertoni191390@samhealth.direct-ci.com

Organizations & group practices 9

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 2

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": "1212364800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788307200000",
    "number": "1780843185",
    "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": [
        {
            "address_1": "6600 Lone Tree Way",
            "address_purpose": "LOCATION",
            "city": "Brentwood",
            "state": "CA",
            "postal_code": "945135256",
            "country_code": "US",
            "telephone_number": "925-433-8786",
            "fax_number": "925-433-8788",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BERTONI",
        "first_name": "DANIELLE",
        "middle_name": "MARIE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-06-02",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "A105375",
            "primary": true
        },
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "CA",
            "license": "A105375",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

Verify at the official NPI Registry.