Ramsey G. Larson, MD
Family Medicine Physician · Fort Atkinson, WI
Ramsey G. Larson, MD is a family medicine physician with a practice address in Fort Atkinson, Wisconsin, and NPI 1710928387, issued on Jun 8, 2006. Check the license (Wisconsin 84203-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Ramsey G. Larson
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 84203-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 611 Sherman Ave E, Fort Atkinson, WI 53538
- Phone
- (920) 563-5571
- Enumerated
- Jun 8, 2006
- Record last updated
- Dec 17, 2025
- Fax
- (920) 563-7705
- Medicare enrollment
- Enrolled (PECOS I20210205000330); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 611 Sherman Ave E
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Anderson, M.D.Otolaryngology Physician1588685077
- Lisa Ashwill, RDN, CDRegistered Dietitian1689217580
- Jonathan Beck, DNP, CRNACertified Registered Nurse Anesthetist1831648989
- Debra Bingham, CRNACertified Registered Nurse Anesthetist1154479889
- James Brown, P.A.Physician Assistant1831179910
Verify Ramsey G. Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 84203-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average family medicine physician in 2024
628 Medicare Part D claims for 256 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium30 claims
- Omeprazole29 claims
- Levothyroxine Sodium26 claims
- Metoprolol Succinate21 claims
- Lisinopril20 claims
- Simvastatin19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Fort Healthcare IncWhitewater, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ramsey G. Larson among 3,765 family medicine physician records in Wisconsin
Ramsey G. Larson, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1992 · median 2007 among the 2,347 with a school on file
- Record last updated2025 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 family medicine physician records list a practice address in Fort Atkinson
They are 16 of the 361 NPPES records with a practice address in Fort Atkinson, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Fort Atkinson → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Harold Anschuetz, MDFort Atkinson, WI 535381427008648
- Ernesto Bogarin Miranda, M.D.Fort Atkinson, WI 535381376951046
- Scott Brantmeier, DOFort Atkinson, WI 535381457329526
- Barry Cash, MDFort Atkinson, WI 535381033169016
- Patrick Daley, M.D.Fort Atkinson, WI 535381164817961
- John Doerfer, M.D.Fort Atkinson, WI 535381760466460
- Edwin Fischer, M.D.Fort Atkinson, WI 535381295759306
- Gregory Gehred, MDFort Atkinson, WI 535381578531711
Common questions
What is Ramsey G. Larson, MD's NPI number?
Ramsey G. Larson, MD's National Provider Identifier (NPI) is 1710928387, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ramsey G. Larson, MD located?
The NPPES record lists a practice address at 611 Sherman Ave E, Fort Atkinson, WI, 53538. Phone: (920) 563-5571. Providers update this record themselves, so call before visiting.
How can I verify Ramsey G. Larson, MD's license?
NPPES lists Wisconsin license number 84203-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ramsey G. Larson, MD prescribe under Medicare Part D?
In 2024, Ramsey G. Larson, MD had 628 Medicare Part D claims for 256 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.