SYDNEY GUENTHER FNP-C
NPI 1093442725
Nurse Practitioner - Family in Buckeye, AZ

Active since August 03, 2022PECOS EnrolledAccepts Medicare Assignment
20751 W MARKET ST, BUCKEYE, AZ 85396(623) 463-5000 Get Directions Write a Review

NPPES record last updated: September 10, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 10, 2025, Sep 8, 2022, Aug 3, 2022 (3 updates tracked since 2022).

About Sydney Guenther Fnp-c NPPES

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

SYDNEY GUENTHER FNP-C (NPI 1093442725) is an individual family provider in Buckeye, Arizona, licensed in Arizona (228428) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1093442725
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameSYDNEY GUENTHERCredential: FNP-C
Location Address20751 W MARKET STBuckeye, AZ 85396-7893
Mailing Address20751 W Market StBuckeye, AZ 85396-7893
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateAugust 3, 2022
Last NPPES UpdateSeptember 10, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2025
NPI 1093442725 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in AZ · 228428
20751 W MARKET ST, Buckeye, AZ 85396

Other Names 1

Former Name (1)Sydney Allen

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

Sydney Guenther Fnp-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 ID6800263542
PECOS Enrollment IDI20250528001411
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.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
37 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85396 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 12

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

Internal Medicine
20751 W MARKET ST
BUCKEYE, AZ 85396
Nurse Practitioner (Family)
20751 W MARKET ST
BUCKEYE, AZ 85396
Nurse Practitioner (Family)
20751 W MARKET ST
BUCKEYE, AZ 85396
Family Medicine (Adult Medicine)
20751 W MARKET ST
BUCKEYE, AZ 85396
Family Medicine
20751 W MARKET ST
BUCKEYE, AZ 85396
Durable Medical Equipment & Medical Supplies
20751 W MARKET ST
BUCKEYE, AZ 85396
Nurse Practitioner (Family)
20751 W MARKET ST
BUCKEYE, AZ 85396
Family Medicine
20751 W MARKET ST
BUCKEYE, AZ 85396

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 Sydney Guenther's NPI number?

The NPI number for Sydney Guenther is 1093442725. It was assigned to this individual provider in the NPPES registry on August 3, 2022. The provider is also known as Sydney Allen.

Where is Sydney Guenther located?

Sydney Guenther practices at 20751 W Market St, Buckeye, AZ 85396. The listed phone number is (623) 463-5000.

What is Sydney Guenther's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Sydney Guenther enrolled in Medicare?

Yes. Sydney Guenther 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 Sydney Guenther accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and Avera Health Plans and 5 other insurers list Sydney Guenther 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 Sydney Guenther was last updated on September 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.