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Hospitalist

Ruthanna S. Seidel, MD

Works at hospitals in Fort Atkinson, WI · Beaver Dam, WI · Janesville, WI … · Wisconsin

Summary

Dr. Ruthanna S. Seidel, MD is a hospitalist at 700 S Park St, Suite A, Madison, WI 53715. Phone: (608) 260-2900. Accepts Medicare assignment. In 2024, Ruthanna S. Seidel had 153 Original Medicare patients and 158 services. NPI 1730447988. 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 Ruthanna S. Seidel, 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 Ruthanna S. Seidel accept Medicare assignment?
Yes. Medicare's clinician data says Ruthanna S. Seidel 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 Ruthanna S. Seidel see?
In 2024, CMS data shows 153 Original Medicare patients and 158 services for Ruthanna S. Seidel. This counts Original Medicare only and measures volume, not quality.
What is Ruthanna S. Seidel's NPI number?
1730447988. 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 Ruthanna S. Seidel, 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 patients153
Services billed to Medicare158
Different services or procedures9
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)131 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%
  • Diabetes51%
  • Chronic kidney disease48%
  • Depression46%
  • Anxiety43%

Hospitals where Ruthanna S. Seidel works

Medicare's Facility Affiliation Data lists Ruthanna S. Seidel 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 Ruthanna S. Seidel is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Dean Health Systems Inc1,159 clinicians in the group

Specialties

Find other Hospitalist doctors in Wisconsin →

Other hospitalists in Madison

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

All hospitalists in Madison →

Other clinicians in Dean Health Systems Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Arizona College Of Medicine
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1730447988
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