Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SARA BUCK GEISINGER DNP, AGNP-C
NPI 1922848662
Nurse Practitioner - Gerontology in Phoenix, AZ

Active since May 30, 2024PECOS Enrolled
240 W THOMAS RD # 301, PHOENIX, AZ 85013(602) 406-6262(602) 406-6261 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 17, 2026, May 22, 2025, Sep 10, 2024 and 2 more (5 updates tracked since 2024).

About Sara Buck Geisinger Dnp, Agnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SARA BUCK GEISINGER DNP, AGNP-C (NPI 1922848662) is an individual gerontology provider in Phoenix, Arizona, licensed in Arizona (308015) and active in the NPI registry since May 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1922848662
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameSARA BUCK GEISINGERCredential: DNP, AGNP-C
Location Address240 W THOMAS RD # 301Phoenix, AZ 85013-4407
Mailing Address240 W Thomas Rd # 301Phoenix, AZ 85013-4407 · (602) 406-6262 · Fax (602) 406-6261
Fax(602) 406-6261
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateMay 30, 2024
Last NPPES UpdateAugust 17, 20265 updates tracked since enumeration
NPPES CertifiedAugust 17, 2026
NPI 1922848662 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License Licensed in AZ · 308015
Also ListedRegistered Nurse · NeuroscienceTaxonomy 163WN0800X · License RN215739 (AZ)
Also ListedNurse PractitionerTaxonomy 363L00000X · License 308015 (AZ)
240 W THOMAS RD # 301, Phoenix, AZ 85013

Other Names 1

Former Name (1)Sara Smith

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Sara Buck Geisinger Dnp, Agnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID143769703
PECOS Enrollment IDI20240827002025
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
103 services97 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85013 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
240 W THOMAS RD # 301
PHOENIX, AZ 85013
Psychiatry & Neurology (Neurology)
240 W THOMAS RD # 301
PHOENIX, AZ 85013
Psychiatry & Neurology (Neurology)
240 W THOMAS RD # 301
PHOENIX, AZ 85013
Dietitian, Registered
240 W THOMAS RD # 301
PHOENIX, AZ 85013
Psychiatry & Neurology (Neurology)
240 W THOMAS RD # 301
PHOENIX, AZ 85013
Nurse Practitioner (Acute Care)
240 W THOMAS RD # 301
PHOENIX, AZ 85013
Psychiatry & Neurology (Neurology)
240 W THOMAS RD # 301
PHOENIX, AZ 85013
Psychiatry & Neurology (Neurology)
240 W THOMAS RD # 301
PHOENIX, AZ 85013

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sara Geisinger's NPI number?

The NPI number for Sara Geisinger is 1922848662. It was assigned to this individual provider in the NPPES registry on May 30, 2024. The provider is also known as Sara Smith.

Where is Sara Geisinger located?

Sara Geisinger practices at 240 W Thomas Rd # 301, Phoenix, AZ 85013. The listed phone number is (602) 406-6262.

What is Sara Geisinger's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Sara Geisinger enrolled in Medicare?

Yes. Sara Geisinger is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Sara Geisinger accept?

Health plans from Blue Cross Blue Shield of Arizona list Sara Geisinger as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Sara Geisinger was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.