James D. Mathers, MD
Family Medicine Physician · Baraboo, WI
James D. Mathers, MD is a family medicine physician with a practice address in Baraboo, Wisconsin, and NPI 1851358006, issued on Apr 28, 2006. Check the license (Wisconsin 26427-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- James D. Mathers
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 26427-020 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 28, 2006
- Record last updated
- Dec 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (608) 355-7001
- Medicaid ID
- 1851358006 WI
- Medicare enrollment
- Enrolled (PECOS I20050118000981); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1981
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 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.
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- 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 James D. Mathers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 26427-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family medicine physician in 2024
399 Medicare Part D claims for 136 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Brimonidine Tartrate18 claims
- Triamcinolone Acetonide15 claims
- Atorvastatin Calcium12 claims
- Tamsulosin Hcl12 claims
- Lisinopril11 claims
- Prednisone11 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 IncBaraboo, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James D. Mathers among 3,765 family medicine physician records in Wisconsin
James D. Mathers, 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
- Graduated1981 · median 2007 among the 2,347 with a school on file
- Record last updated2020 · 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).
14 family medicine physician records list a practice address in Baraboo
They are 14 of the 410 NPPES records with a practice address in Baraboo, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Baraboo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ethan Carlson, MDBaraboo, WI 539131265498588
- James Damos, MDBaraboo, WI 539131881650604
- Amy De Long, MD MPHBaraboo, WI 539131932278090
- Bridget Delong, M.D.Baraboo, WI 539131942469242
- Cheryl Gehin, MDBaraboo, WI 539131831155480
- Stuart Hannah, MDBaraboo, WI 539131164488839
- Sadie Jackson, MDBaraboo, WI 539131235824632
- Frederick Kron, MDBaraboo, WI 539131972566628
Common questions
What is James D. Mathers, MD's NPI number?
James D. Mathers, MD's National Provider Identifier (NPI) is 1851358006, issued on Apr 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James D. Mathers, 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 James D. Mathers, MD's license?
NPPES lists Wisconsin license number 26427-020, 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 James D. Mathers, MD prescribe under Medicare Part D?
In 2024, James D. Mathers, MD had 399 Medicare Part D claims for 136 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.