Danny R. Sessler, MD
Internal Medicine Physician · Baraboo, WI
Danny R. Sessler, MD is an internal medicine physician with a practice address in Baraboo, Wisconsin, and NPI 1831154228, issued on Apr 19, 2006. Check the license (Wisconsin 25864-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Danny R. Sessler
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25864-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1700 Tuttle St, Baraboo, WI 53913
- Phone
- (608) 355-3800
- Enumerated
- Apr 19, 2006
- Record last updated
- Dec 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (608) 355-7001
- Medicaid ID
- 1831154228 WI
- Medicare enrollment
- Enrolled (PECOS I20051222000494); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1979
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 1700 Tuttle St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen Ailsworth, MDPediatrics Physician1467418335
- Faith Anderson, MDStudent in an Organized Health Care Education/Training Program1265285225
- Anna Badtke, PA-CPhysician Assistant1184496176
- Ellen BergendahlPharmacist1457733669
- Matthew Brelie, APNPNurse Practitioner1568292373
- Faye BricklPharmacist1144481540
Verify Danny R. Sessler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 25864-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
197 Medicare Part D claims for 56 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium21 claims
- Omeprazole20 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
- Dean Health Systems IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Danny R. Sessler among 2,078 internal medicine physician records in Wisconsin
Danny R. Sessler, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1979 · median 2002 among the 1,098 with a school on file
- Record last updated2020 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Wisconsin
There are 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Baraboo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Eric Hamburg, MDBaraboo, WI 539131922064518
- Mesfin Abera, M.D.Beaver Dam, WI 539161972852390
- William Bull, MDBeaver Dam, WI 539161104511179
- Marc Gladden, D.O.Beaver Dam, WI 539161073802161
- Sharon Haase, MDBeaver Dam, WI 539161881661494
- Kenneth Kuehnl, MDBeaver Dam, WI 539161497721567
- Patrick Leonberger, D.O.Beaver Dam, WI 539161063823763
- Joel Miller, DOBeaver Dam, WI 539161679549604
Common questions
What is Danny R. Sessler, MD's NPI number?
Danny R. Sessler, MD's National Provider Identifier (NPI) is 1831154228, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Danny R. Sessler, MD located?
The NPPES record lists a practice address at 1700 Tuttle St, Baraboo, WI, 53913. Phone: (608) 355-3800. Providers update this record themselves, so call before visiting.
How can I verify Danny R. Sessler, MD's license?
NPPES lists Wisconsin license number 25864-020, 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 Danny R. Sessler, MD prescribe under Medicare Part D?
In 2024, Danny R. Sessler, MD had 197 Medicare Part D claims for 56 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.