NPIMap

Individual provider Active NPI

Sara Buck Geisinger, DNP, AGNP-C

  • Gerontology Nurse Practitioner
  • Phoenix, AZ
National Provider Identifier
1922848662
Registry record updated Aug 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gerontology Nurse PractitionerTaxonomy code 363LG0600X
License
308015 Issued in AZ
Practice address
240 W Thomas Rd # 301
Phoenix, AZ 85013-4407
Phone
(602) 406-6262
Fax
(602) 406-6261
NPI assigned
May 30, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 17, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 308015 AZ
Neuroscience Registered Nurse 163WN0800X RN215739 AZ
Gerontology Nurse Practitioner 363LG0600X 308015 AZ Primary

Addresses

Primary practice location

240 W Thomas Rd # 301
Phoenix, AZ 85013-4407

Mailing address

240 W Thomas Rd # 301
Phoenix, AZ 85013-4407
Phone (602) 406-6262

Other names 1

  • Sara Smith Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ
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
I20240827002025 AZ Practitioner - Nurse Practitioner 0143769703 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2024
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Sjhmc Physician ServicesGroup PAC ID 4486646197, 645 clinicians

Practice addresses (Care Compare)

500 W Thomas Rd
680 DHMG St Joseph's Pelvic Pain and Surg
Phoenix, AZ 85013-4235
Phone (602) 406-6017

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
308015AZMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Sjhmc Physician Services CurrentSince Sep 1, 2024 Accepting new patients
St. Joseph's Hospital and Medical Center CurrentSince Aug 30, 2020 Accepting new patients
St. Joseph's Outpatient Surgery Center, LLC Current Accepting new patients

Locations

240 W Thomas Rd
Phoenix, AZ 85013
Phone (602) 406-3552

500 W Thomas Rd
Ste 680
Phoenix, AZ 85013
Phone (602) 406-6017

240 W Thomas Rd
Ste 301
Phoenix, AZ 85013
Phone (602) 406-6262

2910 N 3rd Ave
Ste 430
Phoenix, AZ 85013
Phone (602) 406-7421

240 W Thomas Rd
#301
Phoenix, AZ 85013
Phone (602) 406-6262

File 56765
Los Angeles, CA 90074

Organizations & group practices 3

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.

Hospital & facility affiliations 7

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": "1717027200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786924800000",
    "number": "1922848662",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "240 W THOMAS RD # 301",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850134407",
            "telephone_number": "602-406-6262",
            "fax_number": "602-406-6261"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "240 W THOMAS RD # 301",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850134407",
            "telephone_number": "602-406-6262",
            "fax_number": "602-406-6261"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEISINGER",
        "first_name": "SARA",
        "middle_name": "BUCK",
        "credential": "DNP, AGNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-05-30",
        "last_updated": "2026-08-17",
        "certification_date": "2026-08-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "AZ",
            "license": "308015",
            "primary": false
        },
        {
            "code": "163WN0800X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Neuroscience",
            "state": "AZ",
            "license": "RN215739",
            "primary": false
        },
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "AZ",
            "license": "308015",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SARA",
            "last_name": "SMITH",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Phoenix, AZ

Sources for this page

Verify at the official NPI Registry.