NPIMap

Individual provider Active NPI

Alejandra Diaz

  • Physician Assistant
  • Modesto, CA
National Provider Identifier
1922578657
Registry record updated May 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
Practice address
4601 Dale Rd
Modesto, CA 95356-9718
Phone
(209) 735-0000
NPI assigned
Nov 26, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 12, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Respiratory Therapist 227900000X 35585 CA
Physician Assistant 363A00000X Primary

Addresses

Primary practice location

4601 Dale Rd
Modesto, CA 95356-9718

Mailing address

1751 Bayberry LN
Tracy, CA 95376-5263
Phone (209) 914-3710

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
I20251029001721 CA Practitioner - Physician Assistant 4284123340 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Sutter Valley Medical FoundationGroup PAC ID 9830094515, 2,473 clinicians

Practice addresses (Care Compare)

441 W Eaton Ave
Tracy, CA 95376-3420
Phone (209) 830-4062

445 W Eaton Ave
Tracy, CA 95376-3420
Phone (209) 524-1211

447 W Eaton Ave
Tracy, CA 95376-3420
Phone (209) 830-4062

473 W Eaton Ave
Tracy, CA 95376-3420
Phone (209) 833-3320

815 Court St
Jackson, CA 95642-2154

Hospital & facility affiliations

  • Sutter Tracy Community Hospital Hospital, Tracy, CA, CCN 050313

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
35585CAMDGeneral Practice Dentistry

Practice roles

OrganizationSpecialtyStatusNew patients
Sutter Valley Medical Foundation CurrentSince Oct 1, 2025 Accepting new patients
Sutter Valley Medical Foundation Physician Assistant CurrentSince Oct 1, 2025 Accepting new patients
Sutter Valley Medical Foundation Current Accepting new patients
Sutter North Medical Foundation Past Accepting new patients

Locations

2720 Low Ct
Fairfield, CA 94534
Phone (707) 428-2731

815 Court St
Ste 7
Jackson, CA 95642
Phone (209) 257-5900

600 Coffee Rd
Modesto, CA 95355
Phone (209) 550-4755

2800 L St
Ste 500
Sacramento, CA 95816
Phone (916) 454-6850

445 W Eaton Ave
Tracy, CA 95376
Phone (209) 830-4062

250 W Main St
Woodland, CA 95695
Phone (916) 668-6100

Interoperability endpoints

  • Direct secure messaging: adiaz683308@hisp.ehr.sutterhealth.org

Organizations & group practices 26

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.

View all 26

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": "1543190400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747008000000",
    "number": "1922578657",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1751 BAYBERRY LN",
            "city": "TRACY",
            "state": "CA",
            "postal_code": "953765263",
            "telephone_number": "209-914-3710"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4601 DALE RD",
            "city": "MODESTO",
            "state": "CA",
            "postal_code": "953569718",
            "telephone_number": "209-735-0000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "ALEJANDRA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-11-26",
        "last_updated": "2025-05-12",
        "certification_date": "2025-05-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "227900000X",
            "taxonomy_group": "",
            "desc": "Respiratory Therapist, Registered",
            "state": "CA",
            "license": "35585",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Modesto, CA

Sources for this page

Verify at the official NPI Registry.