RAMSEY G LARSON MD
NPI 1710928387
Family Medicine in Fort Atkinson, WI
About Ramsey G Larson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RAMSEY G LARSON MD (NPI 1710928387) is an individual family medicine provider in Fort Atkinson, Wisconsin, licensed in Wisconsin (84203-20) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Fort Memorial Hospital, and maintains a secondary practice location in Whitewater.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ramsey G Larson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Ramsey Larson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fort Atkinson, WI 53538
- Reassigned Medicare billing, Wisconsin enrollment
- 298 clinicians in this Medicare group
Pierz, MN 56364
- Reassigned Medicare billing, Minnesota enrollment
- Also billed through NPI 1326234006 (Minnesota)
- 205 clinicians in this Medicare group
Hibbing, MN 55746
- Reassigned Medicare billing, Minnesota enrollment
- 707 clinicians in this Medicare group
Staples, MN 56479
- Reassigned Medicare billing, Minnesota enrollment
- 179 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Fort Memorial Hospital
Acute Care Hospitals · Fort Atkinson, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53538 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FORT ATKINSON, WI 53538
FORT ATKINSON, WI 53538
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ramsey Larson's NPI number?
The NPI number for Ramsey Larson is 1710928387. It was assigned to this individual provider in the NPPES registry on June 8, 2006.
Where is Ramsey Larson located?
Ramsey Larson practices at 611 Sherman Ave E, Fort Atkinson, WI 53538. The listed phone number is (920) 563-5571.
What is Ramsey Larson's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Ramsey Larson enrolled in Medicare?
Yes. Ramsey Larson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ramsey Larson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ramsey Larson reassigns Medicare benefits to 4 organizations: Fort Healthcare, Inc. (Fort Atkinson, WI), Unity Family Healthcare (Pierz, MN), Range Regional Health Services (Hibbing, MN) and Lakewood Health System (Staples, MN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ramsey Larson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ramsey Larson accept?
Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, Group Health Cooperative-SCW, MercyCare Health Plans and Quartz list Ramsey Larson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Ramsey Larson affiliated with any hospitals?
According to CMS data, Ramsey Larson is affiliated with Fort Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Ramsey Larson was last updated on December 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ramsey G Larson, MD · NPI 1710928387
Family Medicine physician in Fort Atkinson, Wisconsin. Individual provider, active in the CMS NPPES registry since June 8, 2006.
## Identity
- **NPI:** 1710928387 (Entity type: Individual)
- **Enumerated:** June 8, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 84203-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 611 SHERMAN AVE E, Fort Atkinson, WI 53538-1960
- **Phone:** (920) 563-5571 · **Fax:** (920) 563-7705
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Fort Healthcare, Inc. (NPI 1811916281, Fort Atkinson, WI); Unity Family Healthcare (NPI 1952530669, Pierz, MN); Range Regional Health Services (NPI 1356321699, Hibbing, MN); Lakewood Health System (NPI 1295726362, Staples, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1992
## Record status
- **NPPES last updated:** December 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1710928387) · Data from the CMS NPPES public registry.