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

Diagnostic Radiology

Nancy Ann B. Little, MD

Works at hospitals in Columbus, WI · Fort Atkinson, WI · Mauston, WI … · Wisconsin

Summary

Dr. Nancy Ann B. Little, MD is a radiologist at 1111 Highland Ave, Madison, WI 53705. Phone: (608) 265-8731. Accepts Medicare assignment. In 2024, Nancy Ann B. Little had 66 Original Medicare patients and 105 services. NPI 1003376401. 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 Nancy Ann B. Little, 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 Nancy Ann B. Little accept Medicare assignment?
Yes. Medicare's clinician data says Nancy Ann B. Little 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 Nancy Ann B. Little see?
In 2024, CMS data shows 66 Original Medicare patients and 105 services for Nancy Ann B. Little. This counts Original Medicare only and measures volume, not quality.
What is Nancy Ann B. Little's NPI number?
1003376401. 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 Nancy Ann B. Little, 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 patients66
Services billed to Medicare105
Different services or procedures29
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. X-ray of chest, 1 view (71045)26 services
  2. Ct scan head or brain without contrast (70450)14 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%
  • Ischemic heart disease39%
  • Chronic kidney disease39%
  • Arthritis36%
  • Heart failure36%

Hospitals where Nancy Ann B. Little works

Medicare's Facility Affiliation Data lists Nancy Ann B. Little 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 Nancy Ann B. Little is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.

Group practices

Medicare enrollment lists Nancy Ann B. Little as a member of these groups (CMS data updated October 2, 2026).

  • University of Wisconsin Medical Foundation Inc2,553 clinicians in the group
  • Group Health Cooperative of South Central Wisconsin236 clinicians in the group
  • Fort Healthcare Inc155 clinicians in the group
  • University of Wisconsin System Non Payroll109 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Wisconsin →

Other radiologists in Madison

Clinicians with the same Medicare primary specialty in Madison, WI — not a recommendation.

All radiologists in Madison →

Other clinicians in University of Wisconsin Medical Foundation Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Utah School Of Medicine
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003376401
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