Jonathan William Thoma, MD
Family Medicine Physician · Madison, WI
Jonathan William Thoma, MD is a family medicine physician with a practice address in Madison, Wisconsin, and NPI 1871090142, issued on Apr 12, 2018. Check the license on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jonathan William Thoma
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 2018028929 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4410 Regent St, Madison, WI 53705
- Phone
- (608) 233-9746
- Enumerated
- Apr 12, 2018
- Record last updated
- Dec 8, 2025
- Fax
- (608) 233-0026
- Medicare enrollment
- Enrolled (PECOS I20240726003615); accepts Medicare assignment
- Medical or professional school
- University Of New Mexico School Of Medicine, 2018
- 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 4410 Regent St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jonathan William Thoma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average family medicine physician in 2024
531 Medicare Part D claims for 193 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 54 claims were for opioids.
Most prescribed
- Lorazepam22 claims
- Gabapentin20 claims
- Oxycodone Hcl17 claims
- Clonazepam15 claims
- Furosemide15 claims
- Levothyroxine Sodium13 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
- Associated Physicians, LLPMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan William Thoma among 3,765 family medicine physician records in Wisconsin
Jonathan William Thoma, 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 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2018 · 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).
284 family medicine physician records list a practice address in Madison
They are 284 of the 15,014 NPPES records with a practice address in Madison, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Madison → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Karen Berger, MDMadison, WI 537051376562702
- Ann Braus, MDMadison, WI 537051033401609
- Randall Brown, MDMadison, WI 537051376508481
- Sahmon Fallahian, M.D.Madison, WI 537051164621173
- Namrata Magar, MDMadison, WI 537051063458339
- Farhat Malik, MDMadison, WI 537051811956964
- Jordan Mills, D.O.Madison, WI 537051992067060
- Susan Montgomery, MDMadison, WI 537051083658116
Common questions
What is Jonathan William Thoma, MD's NPI number?
Jonathan William Thoma, MD's National Provider Identifier (NPI) is 1871090142, issued on Apr 12, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan William Thoma, MD located?
The NPPES record lists a practice address at 4410 Regent St, Madison, WI, 53705. Phone: (608) 233-9746. Providers update this record themselves, so call before visiting.
How can I verify Jonathan William Thoma, MD's license?
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 Jonathan William Thoma, MD prescribe under Medicare Part D?
In 2024, Jonathan William Thoma, MD had 531 Medicare Part D claims for 193 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.