Tessa N. Warner, MD
Emergency Medicine Physician · Madison, WI
Tessa N. Warner, MD is an emergency medicine physician with a practice address in Madison, Wisconsin, and NPI 1760911549, issued on Jun 6, 2017. Check the license (Wisconsin 86534-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Tessa N. Warner
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 86534-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1821 S Stoughton RD, Madison, WI 53716
- Phone
- (608) 260-6000
- Enumerated
- Jun 6, 2017
- Record last updated
- Nov 17, 2025
- Fax
- (608) 260-6161
- Medicaid ID
- 1760911549 WI
- Medicare enrollment
- Enrolled (PECOS I20251126001066); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,464 in Wisconsin → Look up another NPI →
Also registered at 1821 S Stoughton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Alt, MDInternal Medicine Physician1578500872
- Darcey Amundson, PA-CPhysician Assistant1588691398
- Richard Armstrong, MDInternal Medicine Physician1689774523
- Wendy Arrington, O.D.Optometrist1750394334
- Bhawani Ballamudi, M.D.Psychiatry Physician1831148691
- Zachary Barber, PTPhysical Therapist1609054212
Verify Tessa N. Warner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 86534-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average emergency medicine physician in 2024
260 Medicare Part D claims for 174 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Hyclate42 claims
- Amoxicillin-Clavulanate Potass35 claims
- Cephalexin28 claims
- Prednisone22 claims
- Azithromycin17 claims
- Sulfamethoxazole-Trimethoprim11 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 3 group practices
- City OF BrookingsBrookings, SD
- Dean Health Systems IncMadison, WI
- Rural Health Care IncBrookings, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tessa N. Warner among 1,464 emergency medicine physician records in Wisconsin
Tessa N. Warner, MD is one of 1,464 emergency medicine physician records with a practice address in Wisconsin. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 78% of them.
- NPI issued2017 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2017 · median 2011 among the 844 with a school on file
- Record last updated2025 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
241 emergency medicine physician records list a practice address in Madison
They are 241 of the 15,014 NPPES records with a practice address in Madison, and 1,464 emergency medicine physician records in Wisconsin.
All 1,464 in Wisconsin → Every provider in Madison → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Kirk Berger, MDMadison, WI 537161801830971
- Don Breckbill, MDMadison, WI 537161295779064
- John Colmenares, MDMadison, WI 537161861428609
- Christine Hale, M.D.Madison, WI 537161427276393
- Christopher Harkin, MDMadison, WI 537161396824488
- Steven Reed, MDMadison, WI 537161912941162
- Joong Eun Shin, MDMadison, WI 537161043415904
- Robert Steele, MDMadison, WI 537161114961158
Common questions
What is Tessa N. Warner, MD's NPI number?
Tessa N. Warner, MD's National Provider Identifier (NPI) is 1760911549, issued on Jun 6, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Tessa N. Warner, MD located?
The NPPES record lists a practice address at 1821 S Stoughton RD, Madison, WI, 53716. Phone: (608) 260-6000. Providers update this record themselves, so call before visiting.
How can I verify Tessa N. Warner, MD's license?
NPPES lists Wisconsin license number 86534-20, 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 Tessa N. Warner, MD prescribe under Medicare Part D?
In 2024, Tessa N. Warner, MD had 260 Medicare Part D claims for 174 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.