NPPES file of Aug 9, 2026

Derek T. Tessman, DO

Trauma Surgery Physician · Madison, WI

Derek T. Tessman, DO is a trauma surgery physician with a practice address in Madison, Wisconsin, and NPI 1275023988, issued on May 17, 2018. Check the license (Wisconsin 81525-21, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275023988
Name
Derek T. Tessman
Credential
DO
Primary taxonomy
Trauma Surgery Physician 2086S0127X
License number
81525-21 WI
Self-reported in NPPES; status is on the state search
Practice location
700 S Park St, Madison, WI 53715
Phone
(608) 251-6100
Enumerated
May 17, 2018
Record last updated
Aug 29, 2024
Fax
(608) 260-2976
Medicaid ID
1275023988 WI
Medicare enrollment
Enrolled (PECOS I20241030003065); accepts Medicare assignment
Medical or professional school
Des Moines University Of Osteopathic Medicine And Health Sciences, 2018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest trauma surgery physician records → All 54 in Wisconsin → Look up another NPI →

Also registered at 700 S Park St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Axel AdamsEmergency Medicine Physician1366905192
  2. Muhammad Akbar, MDHospitalist Physician1720096753
  3. Ibrahim Al-Sanouri, MDPulmonary Disease Physician1356452833
  4. Clark Albert, MDAnesthesiology Physician1457300634
  5. Michael Allan, MDGastroenterology Physician1558300822
  6. Shane Allen, M.D.Emergency Medicine Physician1649478231

Verify Derek T. Tessman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 81525-21    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Dean Health Systems IncMadison, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Derek T. Tessman among 54 trauma surgery physician records in Wisconsin

Derek T. Tessman, DO is one of 54 trauma surgery physician records with a practice address in Wisconsin. 87% 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 93% of them.

  • NPI issued2018 · 93% of these records are older, 2% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 85% of these records are
  • Graduated2018 · median 2009 among the 46 with a school on file
  • Record last updated2024 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0127X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Trauma Surgery Physician providers in Wisconsin

There are 54 trauma surgery physician records in Wisconsin.

All 54 in Wisconsin → Every provider in Madison → Trauma Surgery Physician nationwide →

The 8 trauma surgery physician records with the nearest ZIP codes

  1. Jon Bowersox, M.D.Madison, WI 537151164488946
  2. Ryan Holden, DOMadison, WI 537151962934075
  3. Jordan Makela, M.D.Madison, WI 537151245632389
  4. Adam Martin, MDMadison, WI 537151609074160
  5. Fatima Sadiq, M.D.Madison, WI 537151295175743
  6. Douglas Soltys, M.D.Madison, WI 537151417261363
  7. Melody Threlkeld, M.D.Madison, WI 537151174843478
  8. Nicole Werner, MD, MSMadison, WI 537151730476243

Common questions

What is Derek T. Tessman, DO's NPI number?

Derek T. Tessman, DO's National Provider Identifier (NPI) is 1275023988, issued on May 17, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Derek T. Tessman, DO located?

The NPPES record lists a practice address at 700 S Park St, Madison, WI, 53715. Phone: (608) 251-6100. Providers update this record themselves, so call before visiting.

How can I verify Derek T. Tessman, DO's license?

NPPES lists Wisconsin license number 81525-21, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.