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

Family Practice

Stace A. Fritzler, MD

Works at hospitals in Loveland, CO · Fort Collins, CO · Greeley, CO · Colorado

Summary

Dr. Stace A. Fritzler, MD is a family doctor at 2964 Ginnala Dr, Loveland, CO 80538. Phone: (970) 667-7755. Accepts Medicare assignment. In 2024, Stace A. Fritzler had 239 Original Medicare patients and 2,349 services. NPI 1912099599. 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 Stace A. Fritzler, 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 Stace A. Fritzler accept Medicare assignment?
Yes. Medicare's clinician data says Stace A. Fritzler 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 Stace A. Fritzler see?
In 2024, CMS data shows 239 Original Medicare patients and 2,349 services for Stace A. Fritzler. This counts Original Medicare only and measures volume, not quality.
What is Stace A. Fritzler's NPI number?
1912099599. 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 Stace A. Fritzler, 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 patients239
Services billed to Medicare2,349
Different services or procedures49
Participating Medicare providerYes
Average age of these patients74

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)263 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)261 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)144 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)100 services
  5. Administration of influenza virus vaccine (G0008)50 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 cholesterol58%
  • High blood pressure57%
  • Arthritis48%
  • Depression26%
  • Osteoporosis19%
  • Diabetes18%

Hospitals where Stace A. Fritzler works

Medicare's Facility Affiliation Data lists Stace A. Fritzler 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.

Practice locations

Addresses where Stace A. Fritzler is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Stace A. Fritzler as a member of these groups (CMS data updated October 2, 2026).

  • Poudre Valley Medical Group LLC2,440 clinicians in the group
  • Select Physical Therapy of West Denver Limited Partnership548 clinicians in the group

Specialties

Find other Family Practice doctors in Colorado →

Other family doctors in Loveland

Clinicians with the same Medicare primary specialty in Loveland, CO — not a recommendation.

All family doctors in Loveland →

Other clinicians in Poudre Valley Medical Group LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Washington School Of Medicine
Graduation year1996 (30 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1912099599
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