NPIMap

Individual provider Active NPI

Tiffany Simpson-Vassall, NP

  • Obstetrics & Gynecology Nurse Practitioner
  • Laveen, AZ
National Provider Identifier
1700846599
Registry record updated Nov 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology Nurse PractitionerTaxonomy code 363LX0001X
License
AP1935 Issued in AZ
Practice address
17487 S Healthcare Dr
Laveen, AZ 85339-8500
Phone
(520) 550-6000
Fax
(520) 550-6027
NPI assigned
Mar 24, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 24, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X RN109710 AZ
Obstetrics & Gynecology Nurse Practitioner 363LX0001X AP1935 AZ Primary

Addresses

Primary practice location

17487 S Healthcare Dr
Laveen, AZ 85339-8500

Mailing address

PO Box 115
Sacaton, AZ 85147-0002
Phone (520) 796-2600

Other identifiers 1

IdentifierTypeStateIssuer
863648MedicaidAZ

Other names 1

  • Tiffany Simpson Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
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
I20251205004100 TX Practitioner - Nurse Practitioner 6103857198 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

17487 S Health Care Dr
Hu Hu Kam Memorial Hospital
Laveen, AZ 85339-0038
Phone (520) 550-6000

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Gila River Health Care Corporation Current Accepting new patients
Gila River Health Care Corporation CurrentSince Sep 25, 2025 Accepting new patients
Gila River Health Care CurrentSince Sep 25, 2025 Accepting new patients
Gila River Health Care Corporation Current Accepting new patients
Mountain Park Health Center Past Accepting new patients
Sanford Medical Center Fargo Past Accepting new patients
Mountain Park Health Center - Dental Past Accepting new patients

Locations

17487 S Healthcare Dr
Laveen, AZ 85339
Phone (520) 550-6000

17487 S Healthcare Dr
#H
Laveen, AZ 85339
Phone (520) 550-6000

Organizations & group practices 7

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 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": "1143158400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763942400000",
    "number": "1700846599",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 115",
            "city": "SACATON",
            "state": "AZ",
            "postal_code": "851470002",
            "telephone_number": "520-796-2600",
            "fax_number": "602-528-1296"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "17487 S HEALTHCARE DR",
            "city": "LAVEEN",
            "state": "AZ",
            "postal_code": "853398500",
            "telephone_number": "520-550-6000",
            "fax_number": "520-550-6027"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIMPSON-VASSALL",
        "first_name": "TIFFANY",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-24",
        "last_updated": "2025-11-24",
        "certification_date": "2025-11-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "AZ",
            "license": "RN109710",
            "primary": false
        },
        {
            "code": "363LX0001X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Obstetrics & Gynecology",
            "state": "AZ",
            "license": "AP1935",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "863648",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "TIFFANY",
            "last_name": "SIMPSON",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Laveen, AZ

Sources for this page

Verify at the official NPI Registry.