Active NPI
Danielle Marie Bertoni, MD
- Surgery Physician
- Walnut Creek, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgery Physician
- License
- A105375
- 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, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Surgical Oncology
- Education
- Other, 2007
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
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 100
- Quality
- 96
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 96.96
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Mastectomy | 31 |
| Melanoma (skin cancer) excision | 12 |
| Skin biopsy | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A105375 | CA | MD | Surgical Oncology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Bass Medical Group | Current | Accepting new patients | |
| Bay Area Surgical Specialists, Inc a Medical Corporation | Current | Accepting new patients | |
| Bass Medical Group | Current | Accepting new patients | |
| Bass Medical Group | Past | Accepting new patients | |
| Stanford Hospital and Clinics | Past | Accepting new patients | |
| Good Samaritan Hospital Corvallis | Past | 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
- dbertoni154683@ehr.johnmuirhealth.com
- 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.
-
- Obstetrics & Gynecology Physician
- Walnut Creek, CA
- NPI 1174253405
-
- Orthopaedic Surgery Physician
- San Ramon, CA
- NPI 1467329904
-
- Orthopaedic Surgery Physician
- Sacramento, CA
- NPI 1356702526
-
- Specialist
- Walnut Creek, CA
- NPI 1154401941
-
- Rehabilitation Hospital Unit
- Walnut Creek, CA
- NPI 1447269303
-
dba John Muir Health Medical Center, Concord Campus
- General Acute Care Hospital
- Concord, CA
- NPI 1801821376
-
dba SHC Reference Laboratory
- Clinical Medical Laboratory
- Palo Alto, CA
- NPI 1174698468
-
dba Good Samaritan Regional Medical Center Breast & Surgical Oncology
- Clinic/Center
- Corvallis, OR
- NPI 1376164129
-
- Psychiatric Hospital Unit
- New Haven, CT
- NPI 1427100957
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba John Muir Health, Walnut Creek Medical Center
- General Acute Care Hospital
- Walnut Creek, CA
- NPI 1740215219
-
dba John Muir Health Medical Center, Concord Campus
- General Acute Care Hospital
- Concord, CA
- NPI 1801821376
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.