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Family Practice

Dena S. Sheppard Madden, MD

Sees patients in Eaton, CO · Greeley, CO · Fort Collins, CO · Colorado

Summary

Dr. Dena S. Sheppard Madden, MD is a family doctor at 100 S Cherry Ave, Unit 1, Eaton, CO 80615. Phone: (970) 454-3838. Accepts Medicare assignment. In 2024, Dena S. Sheppard Madden had 31 Original Medicare patients and 44 services. NPI 1841249968. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 100 S Cherry Ave, Unit 1, Eaton, CO 80615 · Directions (3 more locations)
  • Phone: (970) 454‑3838
  • Medicare: Accepts Medicare assignment
  • Group practice: Banner Health Physicians Colorado LLC
  • Medical school: University Of Colorado School Of Medicine, Denver · graduated 1987 (39 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Dena S. Sheppard Madden, 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 Dena S. Sheppard Madden accept Medicare assignment?
Yes. Medicare's clinician data says Dena S. Sheppard Madden 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 Dena S. Sheppard Madden see?
In 2024, CMS data shows 31 Original Medicare patients and 44 services for Dena S. Sheppard Madden. This counts Original Medicare only and measures volume, not quality.
What is Dena S. Sheppard Madden's NPI number?
1841249968. 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 Dena S. Sheppard Madden, 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 patients31
Services billed to Medicare44
Different services or procedures11
Participating Medicare providerYes
Average age of these patients80

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)15 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 cholesterol65%
  • Arthritis45%
  • Chronic kidney disease39%

Practice locations

Addresses where Dena S. Sheppard Madden is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Dena S. Sheppard Madden as a member of this group (CMS data updated October 2, 2026).

  • Banner Health Physicians Colorado LLC261 clinicians in the group

Specialties

Find other Family Practice doctors in Colorado →

Other family doctors in Eaton

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

All family doctors in Eaton →

Other clinicians in Banner Health Physicians Colorado LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Colorado School Of Medicine, Denver
Graduation year1987 (39 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841249968
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians