Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Tiarra I. Sitzer, NP

Works at hospitals in Lake Havasu City, AZ · Kingman, AZ · Arizona

Summary

Tiarra I. Sitzer, NP is a nurse practitioner at 1845 McCulloch Blvd N, Unit D1 4, Lake Havasu City, AZ 86403. Phone: (928) 854-2568. Accepts Medicare assignment. In 2024, Tiarra I. Sitzer had 270 Original Medicare patients and 1,976 services. NPI 1487150652. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Tiarra I. Sitzer, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Tiarra I. Sitzer accept Medicare assignment?
Yes. Medicare's clinician data says Tiarra I. Sitzer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Tiarra I. Sitzer see?
In 2024, CMS data shows 270 Original Medicare patients and 1,976 services for Tiarra I. Sitzer. This counts Original Medicare only and measures volume, not quality.
What is Tiarra I. Sitzer's NPI number?
1487150652. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Tiarra I. Sitzer, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients270
Services billed to Medicare1,976
Different services or procedures32
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)511 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)315 services
  3. Complete ultrasound study of arm and leg arteries (93923)148 services
  4. Advance care planning, first 30 minutes (99497)141 services
  5. Annual alcohol misuse screening, 5 to 15 minutes (G0442)132 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure70%
  • High cholesterol67%
  • Arthritis37%
  • Anxiety24%
  • Diabetes23%
  • Depression19%

Hospitals where Tiarra I. Sitzer works

Medicare's Facility Affiliation Data lists Tiarra I. Sitzer at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Havasu Regional Medical CenterLake Havasu City, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030069
  • Kingman Regional Medical CenterKingman, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030055

Practice locations

Addresses where Tiarra I. Sitzer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Tiarra I. Sitzer as a member of this group (CMS data updated October 2, 2026).

  • Sunrise Family Healthcare Inc2 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Arizona →

Other nurse practitioners in Lake Havasu City

Clinicians with the same Medicare primary specialty in Lake Havasu City, AZ — not a recommendation.

All nurse practitioners in Lake Havasu City →

Other clinicians in Sunrise Family Healthcare Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1487150652
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians