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Family Practice

Ramsey G. Larson, MD

Works at hospitals in Fort Atkinson, WI · Wisconsin

Summary

Dr. Ramsey G. Larson, MD is a family doctor at 1461 W Main St, Whitewater, WI 53190. Phone: (262) 473-5888. Accepts Medicare assignment. NPI 1710928387. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 1461 W Main St, Whitewater, WI 53190 · Directions (3 more locations)
  • Phone: (262) 473‑5888
  • Medicare: Accepts Medicare assignment
  • Hospital: Fort Memorial Hospital
  • Group practice: Fort Healthcare Inc
  • Medical school: graduated 1992 (34 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Ramsey G. Larson, 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 Ramsey G. Larson accept Medicare assignment?
Yes. Medicare's clinician data says Ramsey G. Larson 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.
What is Ramsey G. Larson's NPI number?
1710928387. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ramsey G. Larson works

Medicare's Facility Affiliation Data lists Ramsey G. Larson 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.

  • Fort Memorial HospitalFort Atkinson, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520071

Practice locations

Addresses where Ramsey G. Larson is enrolled with Medicare (CMS data updated October 2, 2026).

  • 1461 W Main StWhitewater, WI 53190 (262) 473‑5888
  • 611 E Sherman AveFort Atkinson, WI 53538 (920) 568‑5000
  • 611 Sherman Ave EFort Atkinson, WI 53538
  • 611 Sherman Ave E, Fl 1Fort Atkinson, WI 53538

Group practices

Medicare enrollment lists Ramsey G. Larson as a member of this group (CMS data updated October 2, 2026).

  • Fort Healthcare Inc155 clinicians in the group

Specialties

Find other Family Practice doctors in Wisconsin →

Other family doctors in Whitewater

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

All family doctors in Whitewater →

Other clinicians in Fort Healthcare Inc

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

Clinician information

CredentialMD
Graduation year1992 (34 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710928387
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians