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

Diagnostic Radiology

Ralph N. Ricco I, MD

Works at hospitals in Appleton, WI · Sturgeon Bay, WI · Fond Du Lac, WI … · Wisconsin

Summary

Dr. Ralph N. Ricco I, MD is a radiologist in Appleton, WI, listed at Ascension NE Wisconsin - St Elizabeth Campus and Door County Medical Center. Accepts Medicare assignment. In 2024, Ralph N. Ricco I had 2,153 Original Medicare patients and 3,867 services. NPI 1801834460. 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 Ralph N. Ricco I, 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 Ralph N. Ricco I accept Medicare assignment?
Yes. Medicare's clinician data says Ralph N. Ricco I 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 Ralph N. Ricco I see?
In 2024, CMS data shows 2,153 Original Medicare patients and 3,867 services for Ralph N. Ricco I. This counts Original Medicare only and measures volume, not quality.
What is Ralph N. Ricco I's NPI number?
1801834460. 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 Ralph N. Ricco I, 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 patients2,153
Services billed to Medicare3,867
Different services or procedures128
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. X-ray of chest, 1 view (71045)884 services
  2. Ct scan head or brain without contrast (70450)485 services
  3. X-ray of chest, 2 views (71046)409 services
  4. Ct scan of upper spine without contrast (72125)176 services
  5. Ct scan of chest without contrast (71250)158 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 cholesterol75%
  • Arthritis57%
  • Ischemic heart disease55%
  • Diabetes45%
  • Chronic kidney disease42%

Hospitals where Ralph N. Ricco I works

Medicare's Facility Affiliation Data lists Ralph N. Ricco I 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.

Group practices

Medicare enrollment lists Ralph N. Ricco I as a member of this group (CMS data updated October 2, 2026).

  • Radiology Associates of the Fox Valley SC81 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Wisconsin →

Other radiologists in Wisconsin

Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.

All radiologists in Wisconsin →

Other clinicians in Radiology Associates of the Fox Valley SC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical Branch At Galveston
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1801834460
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