James Harry Thomsen, M.D.
Cardiovascular Disease Physician · Madison, WI
James Harry Thomsen, M.D. is a cardiovascular disease physician with a practice address in Madison, Wisconsin, and NPI 1073844932, issued on Jan 15, 2010. Check the license (Wisconsin 14758, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- James Harry Thomsen
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 14758 WI
Self-reported in NPPES; status is on the state search - Practice location
- 7709 Twinflower Dr, Madison, WI 53719
- Phone
- (608) 833-1480
- Enumerated
- Jan 15, 2010
- Record last updated
- Jan 15, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 449 in Wisconsin → Look up another NPI →
Verify James Harry Thomsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 14758Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
James Harry Thomsen among 449 cardiovascular disease physician records in Wisconsin
James Harry Thomsen, M.D. is one of 449 cardiovascular disease physician records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2010, is newer than 70% of them.
- NPI issued2010 · 70% of these records are older, 28% newer
- In a Medicare fileNo · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2010 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Wisconsin
There are 449 cardiovascular disease physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 449 in Wisconsin → Every provider in Madison → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Douglas Chapman, M.D.Madison, WI 537181619944238
- John Frangiskakis, MDMadison, WI 537181871753632
- Todd Goldman, M.D.Madison, WI 537181588875777
- Tamara Hagen, MDMadison, WI 537181861469470
- Nicole Reilly, M.D.Madison, WI 537181700164811
- Thomas Teelin, M.D.Madison, WI 537181457309072
- Mary Zasadil, M.D.Madison, WI 537181881659175
- Kay Barrett, MDMadison, WI 537161033160460
Common questions
What is James Harry Thomsen, M.D.'s NPI number?
James Harry Thomsen, M.D.'s National Provider Identifier (NPI) is 1073844932, issued on Jan 15, 2010. An NPI identifies a provider in billing; it is not a license.
Where is James Harry Thomsen, M.D. located?
The NPPES record lists a practice address at 7709 Twinflower Dr, Madison, WI, 53719. Phone: (608) 833-1480. Providers update this record themselves, so call before visiting.
How can I verify James Harry Thomsen, M.D.'s license?
NPPES lists Wisconsin license number 14758, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.