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Emergency Medicine

Scott W. Lotz, MD

Works at hospitals in Flagstaff, AZ · Cottonwood, AZ · Arizona

Summary

Dr. Scott W. Lotz, MD is an emergency medicine doctor at 1200 N Beaver St, Flagstaff, AZ 86001. Phone: (928) 774-1693. Accepts Medicare assignment. In 2024, Scott W. Lotz had 326 Original Medicare patients and 515 services. NPI 1316357163. 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 Scott W. Lotz, 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 Scott W. Lotz accept Medicare assignment?
Yes. Medicare's clinician data says Scott W. Lotz 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 Scott W. Lotz see?
In 2024, CMS data shows 326 Original Medicare patients and 515 services for Scott W. Lotz. This counts Original Medicare only and measures volume, not quality.
What is Scott W. Lotz's NPI number?
1316357163. 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 Scott W. Lotz, 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 patients326
Services billed to Medicare515
Different services or procedures28
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)245 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)159 services
  3. Emergency department visit with moderate level of medical decision making (99284)33 services
  4. Critical care, first 30-74 minutes (99291)31 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)13 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 pressure75%
  • High cholesterol70%
  • Arthritis49%
  • Ischemic heart disease37%
  • Anxiety36%
  • Diabetes34%

Hospitals where Scott W. Lotz works

Medicare's Facility Affiliation Data lists Scott W. Lotz 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.

  • Flagstaff Medical CenterFlagstaff, AZ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 030023
  • Verde Valley Medical CenterCottonwood, AZ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 030007

Practice locations

Addresses where Scott W. Lotz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Scott W. Lotz as a member of this group (CMS data updated October 2, 2026).

  • Flagstaff Emergency Physicians42 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Arizona →

Other emergency medicine doctors in Flagstaff

Clinicians with the same Medicare primary specialty in Flagstaff, AZ — not a recommendation.

All emergency medicine doctors in Flagstaff →

Other clinicians in Flagstaff Emergency Physicians

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

Clinician information

CredentialMD
Medical schoolIllinois Medical College
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1316357163
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