NPPES file of Aug 9, 2026

Tracy A. Warsing, MD

Family Medicine Physician · Sparta, WI

Tracy A. Warsing, MD is a family medicine physician with a practice address in Sparta, Wisconsin, and NPI 1639156128, issued on Dec 27, 2005. Check the license (Wisconsin 42659, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639156128
Name
Tracy A. Warsing
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
42659 WI
Self-reported in NPPES; status is on the state search
Practice location
310 W. Main Street, Sparta, WI 54656
Phone
(608) 269-2132
Enumerated
Dec 27, 2005
Record last updated
Jun 26, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(608) 791-9898
Medicare enrollment
Enrolled (PECOS I20040323000047); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 1999
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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Also registered at 310 W. Main Street

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

  1. Ashlee Brozak, PTPhysical Therapist1588992531
  2. Jessica Sosso, MDFamily Medicine Physician1205042199

Verify Tracy A. Warsing in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 42659
    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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46% more Medicare Part D claims than the average family medicine physician in 2024

5,179 Medicare Part D claims for 283 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 205 claims were for opioids.

  1. Tracy Warsing5,179
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium257 claims
  2. Levothyroxine Sodium205 claims
  3. Lisinopril178 claims
  4. Gabapentin150 claims
  5. Amlodipine Besylate140 claims
  6. Metformin Hcl Er132 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

  1. Mayo Clinic Health System-Southwest Wisconsin Region IncSparta, WI

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

Tracy A. Warsing among 3,765 family medicine physician records in Wisconsin

Tracy A. Warsing, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1999 · median 2007 among the 2,347 with a school on file
  • Record last updated2021 · 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).

16 family medicine physician records list a practice address in Sparta

They are 16 of the 178 NPPES records with a practice address in Sparta, and 3,765 family medicine physician records in Wisconsin.

The 8 family medicine physician records with the nearest ZIP codes

  1. Zachary April, DOSparta, WI 546561114423845
  2. Christina Deboer-Collins, DOSparta, WI 546561083145148
  3. Daniel Landdeck, MDSparta, WI 546561760451165
  4. Joseph Lehner, DOSparta, WI 546561700876240
  5. Michael Pace, MDSparta, WI 546561295730240
  6. Patricia Raftery, DOSparta, WI 546561063402568
  7. Jessica Sosso, MDSparta, WI 546561205042199
  8. Jill Stebbins, MDSparta, WI 546561780688564

Common questions

What is Tracy A. Warsing, MD's NPI number?

Tracy A. Warsing, MD's National Provider Identifier (NPI) is 1639156128, issued on Dec 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Tracy A. Warsing, MD located?

The NPPES record lists a practice address at 310 W. Main Street, Sparta, WI, 54656. Phone: (608) 269-2132. Providers update this record themselves, so call before visiting.

How can I verify Tracy A. Warsing, MD's license?

NPPES lists Wisconsin license number 42659, 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 Tracy A. Warsing, MD prescribe under Medicare Part D?

In 2024, Tracy A. Warsing, MD had 5,179 Medicare Part D claims for 283 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.