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Diagnostic Radiology

Douglas P. Caldwell, MD

Works at hospitals in Minneapolis, MN · Faribault, MN · New Ulm, MN … · Minnesota

Summary

Dr. Douglas P. Caldwell, MD is a radiologist at 1230 E Main St, Mankato, MN 56001. Phone: (507) 625-1811. Accepts Medicare assignment. In 2024, Douglas P. Caldwell had 1,255 Original Medicare patients and 1,885 services. NPI 1982682209. 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 Douglas P. Caldwell, 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 Douglas P. Caldwell accept Medicare assignment?
Yes. Medicare's clinician data says Douglas P. Caldwell 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 Douglas P. Caldwell see?
In 2024, CMS data shows 1,255 Original Medicare patients and 1,885 services for Douglas P. Caldwell. This counts Original Medicare only and measures volume, not quality.
What is Douglas P. Caldwell's NPI number?
1982682209. 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 Douglas P. Caldwell, 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 patients1,255
Services billed to Medicare1,885
Different services or procedures74
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. X-ray of chest, 2 views (71046)277 services
  2. X-ray of chest, 1 view (71045)252 services
  3. Ct scan head or brain without contrast (70450)188 services
  4. Ultrasound study of one arm or leg veins with compression and maneuvers (93971)96 services
  5. Ct scan of abdomen and pelvis with contrast (74177)80 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 cholesterol68%
  • Arthritis51%
  • Anxiety37%
  • Depression36%
  • Ischemic heart disease34%

Hospitals where Douglas P. Caldwell works

Medicare's Facility Affiliation Data lists Douglas P. Caldwell 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 Douglas P. Caldwell is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.

Group practices

Medicare enrollment lists Douglas P. Caldwell as a member of these groups (CMS data updated October 2, 2026).

  • Allina Health System3,842 clinicians in the group
  • Olmsted Medical Center336 clinicians in the group
  • Mankato Clinic Ltd242 clinicians in the group
  • St Francis Regional Medical Center119 clinicians in the group
  • Consulting Radiologists Ltd77 clinicians in the group
  • Mercy Medical Center77 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Minnesota →

Other radiologists in Mankato

Clinicians with the same Medicare primary specialty in Mankato, MN — not a recommendation.

All radiologists in Mankato →

Other clinicians in Allina Health System

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

Clinician information

CredentialMD
Medical schoolUniversity Of Cincinnati College Of Medicine
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982682209
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