Individual provider Active NPI

Diana Diaz, NP

  • Family Nurse Practitioner
  • Petaluma, CA
National Provider Identifier
1396321998
Registry record updated Mar 23, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
95015657 Issued in CA
Practice address
1179 N McDowell Blvd
Petaluma, CA 94954-6559
Phone
(707) 559-7500
Fax
(707) 559-7620
NPI assigned
Mar 23, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 23, 2021

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 95015657 CA Primary

Addresses

Primary practice location

1179 N McDowell Blvd
Petaluma, CA 94954-6559

Mailing address

1179 N McDowell Blvd
Petaluma, CA 94954-6559
Phone (707) 559-7500

Other practice location 1

5900 State Farm Dr
Rohnert Park, CA 94928-2149
Phone (707) 559-7600

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
I20220725001081 CA Practitioner - Nurse Practitioner 5597173880 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Northbay Physicians Surgery Center, LLCGroup PAC ID 0042122244, 336 clinicians
Northbay Health Medical FoundationGroup PAC ID 3274010871, 207 clinicians

Practice addresses (Care Compare)

416 Napa Junction Rd
American Canyon, CA 94503-1281
Phone (707) 646-5500

Hospital & facility affiliations

  • Northbay Medical Center Hospital, Fairfield, CA, CCN 050367

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Brighter Beginnings CurrentSince Oct 1, 2024 Accepting new patients
Northbay Healthcare Group CurrentSince May 13, 2025 Accepting new patients
Brighter Beginnings CurrentSince Oct 1, 2024 Accepting new patients
Northbay Healthcare Group Current Accepting new patients
Northbay Health Medical Foundation CurrentSince Jan 1, 2026 Accepting new patients

Locations

416 Napa Junction Rd
American Canyon, CA 94503

416 Napa Junction Rd
#140
American Canyon, CA 94503

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

2727 Macdonald Ave
Richmond, CA 94804
Phone (510) 213-6681

1165 Montgomery Dr
#1112
Santa Rosa, CA 95405
Phone (707) 546-3210

421 Nut Tree Rd
Vacaville, CA 95687
Phone (707) 455-3000

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

1010 Nut Tree Rd
Ste 100B
Vacaville, CA 95687
Phone (707) 646-7999

101 Main St
Winters, CA 95694
Phone (530) 795-4123

Interoperability endpoints

  • Direct secure messaging: ddiaz2467082@oc.providencedirect.org

Organizations & group practices 5

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.

Hospital & facility affiliations 1

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": "1616457600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1616457600000",
    "number": "1396321998",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1179 N MCDOWELL BLVD",
            "city": "PETALUMA",
            "state": "CA",
            "postal_code": "949546559",
            "telephone_number": "707-559-7500",
            "fax_number": "707-559-7620"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1179 N MCDOWELL BLVD",
            "city": "PETALUMA",
            "state": "CA",
            "postal_code": "949546559",
            "telephone_number": "707-559-7500",
            "fax_number": "707-559-7620"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5900 State Farm Dr",
            "address_purpose": "LOCATION",
            "city": "Rohnert Park",
            "state": "CA",
            "postal_code": "949282149",
            "country_code": "US",
            "telephone_number": "707-559-7600",
            "fax_number": "707-559-7620",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "DIANA",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-03-23",
        "last_updated": "2021-03-23",
        "certification_date": "2021-03-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "95015657",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Petaluma, CA

Sources for this page

Verify at the official NPI Registry.