Individual provider Active NPI

Jaclyn Ballin Tracy

  • Dermatology Physician
  • Danville, CA
National Provider Identifier
1598337487
Registry record updated Jan 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
License
59670 Issued in CA
Practice address
3860 Blackhawk Rd Ste 140
Danville, CA 94506-4832
Phone
(925) 837-6000
NPI assigned
Jul 12, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 8, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology Physician 207N00000X 59670 CA Primary

Addresses

Primary practice location

3860 Blackhawk Rd Ste 140
Danville, CA 94506-4832

Mailing address

3860 Blackhawk Rd Ste 140
Danville, CA 94506-4832
Phone (925) 837-6000

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230414000596 CA Practitioner - Physician Assistant 8729453287 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Hayes B Gladstone MD PCGroup PAC ID 4587987474, 6 clinicians

Practice addresses (Care Compare)

101 Park PL
Suite 200
San Ramon, CA 94583-1753
Phone (925) 837-6000

1660 W Yosemite Ave
Suite 4
Manteca, CA 95337-5194
Phone (925) 837-6000

3860 Blackhawk Rd
Suite 140
Danville, CA 94506-4832
Phone (925) 837-6000

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
59670CAMDDentist

Practice roles

OrganizationSpecialtyStatusNew patients
Hayes B. Gladstone, MD, PC. PastSince Dec 17, 2023 Accepting new patients

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1626048000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767830400000",
    "number": "1598337487",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3860 BLACKHAWK RD STE 140",
            "city": "DANVILLE",
            "state": "CA",
            "postal_code": "945064832",
            "telephone_number": "925-837-6000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3860 BLACKHAWK RD STE 140",
            "city": "DANVILLE",
            "state": "CA",
            "postal_code": "945064832",
            "telephone_number": "925-837-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TRACY",
        "first_name": "JACLYN",
        "middle_name": "BALLIN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-07-12",
        "last_updated": "2026-01-08",
        "certification_date": "2026-01-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "CA",
            "license": "59670",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Danville, CA

Sources for this page

Verify at the official NPI Registry.