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

TIARRA SITZER APRN FNP-C, FNP-BC
NPI 1487150652
Nurse Practitioner - Family in Lake Havasu City, AZ

Active since April 04, 2018PECOS Enrolled
95.81/100
CMS Quality Rating
1845 MCCULLOCH BLVD N STE D1, LAKE HAVASU CITY, AZ 86403(928) 854-2568(928) 854-2569 Get Directions Write a Review

NPPES record last updated: October 19, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 3, 2025, Jul 4, 2022, May 16, 2019 and 2 more (5 updates tracked since 2018).

About Tiarra Sitzer Aprn Fnp-c, Fnp-bc NPPES

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

TIARRA SITZER APRN FNP-C, FNP-BC (NPI 1487150652) is an individual family provider in Lake Havasu City, Arizona, licensed in Arizona (AP11605) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1487150652
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameTIARRA SITZERCredential: APRN FNP-C, FNP-BC
Location Address1845 MCCULLOCH BLVD N STE D1Lake Havasu City, AZ 86403-5810
Mailing AddressPo Box 115Lake Havasu City, AZ 86405-0115 · (928) 854-2568 · Fax (928) 854-2569
Fax(928) 854-2569
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 4, 2018
Last NPPES UpdateOctober 19, 20265 updates tracked since enumeration
NPPES CertifiedOctober 19, 2026
✔ NPI 1487150652 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 · AP11605
1845 MCCULLOCH BLVD N STE D1, Lake Havasu City, AZ 86403

Other Identifiers 1

OtherD00834311AZ · Driver License

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Tiarra Sitzer Aprn Fnp-c, Fnp-bc 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 ID547512261
PECOS Enrollment IDI20181008003380
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Tiarra Sitzer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

0.1 mi
Infectious Disease
1840 MESQUITE AVE, SUITE G
Lake Havasu City, AZ 86403
  • Reassigned Medicare billing, Arizona enrollment
  • 70 clinicians in this Medicare group
Family
1944 MESQUITE AVE
Lake Havasu City, AZ 86403
  • Reassigned Medicare billing, Arizona enrollment
  • 3 clinicians in this Medicare group
Urgent Care
914 N SCOTTSDALE RD STE 104
Tempe, AZ 85288
  • Reassigned Medicare billing, Arizona enrollment
  • 367 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 16

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.
511 services230 patients
Complete ultrasound study of arm and leg arteries 93923
This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.
148 services74 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
141 services138 patients
Annual alcohol misuse screening, 5 to 15 minutes G0442
An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.
132 services132 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
127 services127 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
118 services118 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 86403 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.81/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality100
Improvement Activities40
Cost86.05

Reported Quality Measures

Appropriate Treatment for Upper Respiratory Infection (URI)
96%399 patients4/55-star benchmark: 100%
Breast Cancer Screening
78%417 patients4/55-star benchmark: 93%
Controlling High Blood Pressure
66%407 patients3/55-star benchmark: 91%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
15%144 patients4/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
99%5,005 patients4/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
80%408 patients4/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
82%1,424 patients4/55-star benchmark: 98%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 46% · 1,326 patients
Patients screened: 48% · 1,326 patients
89%132 patients4/55-star benchmark: 100%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 0% · 446 patients
Patients totalRate: 2% · 446 patients
2%446 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
4 suppliers13 claims44 services$6.02 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
2 suppliers23 claims23 services$152.14 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Tiarra Sitzer's NPI number?

The NPI number for Tiarra Sitzer is 1487150652. It was assigned to this individual provider in the NPPES registry on April 4, 2018.

Where is Tiarra Sitzer located?

Tiarra Sitzer practices at 1845 Mcculloch Blvd N Ste D1, Lake Havasu City, AZ 86403. The listed phone number is (928) 854-2568.

What is Tiarra Sitzer's specialty?

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

Is Tiarra Sitzer enrolled in Medicare?

Yes. Tiarra Sitzer 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.

Which organizations bill Medicare for Tiarra Sitzer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tiarra Sitzer reassigns Medicare benefits to 3 organizations: Hrmc, LLC (Lake Havasu City, AZ), Sunrise Family Healthcare Inc (Lake Havasu City, AZ) and Nextcare Arizona LLC (Tempe, AZ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tiarra Sitzer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tiarra Sitzer accept?

Health plans from Blue Cross Blue Shield of Arizona and UnitedHealthcare list Tiarra Sitzer 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 Tiarra Sitzer was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.