Brian Tillis, MD
Obstetrics & Gynecology Physician · Pleasant Prairie, WI
Brian Tillis, MD is an obstetrics & gynecology physician with a practice address in Pleasant Prairie, Wisconsin, and NPI 1396107405, issued on Mar 28, 2016. Check the license (Wisconsin 69543-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Brian Tillis
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 69543-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 9555 76TH St Ste 4105, Pleasant Prairie, WI 53158
- Phone
- (262) 577-8080
- Enumerated
- Mar 28, 2016
- Record last updated
- Jul 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (262) 577-8081
- Medicare enrollment
- Enrolled (PECOS I20200722003812); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 796 in Wisconsin → Look up another NPI →
Also registered at 9555 76TH St Ste 4105
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Ambro, MDObstetrics & Gynecology Physician1316993678
- Brittany Frederick, APNPObstetrics & Gynecology Nurse Practitioner1568256287
Verify Brian Tillis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 69543-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
76 Medicare Part D claims for 29 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Froedtert South IncPleasant Prairie, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Tillis among 796 obstetrics & gynecology physician records in Wisconsin
Brian Tillis, MD is one of 796 obstetrics & gynecology physician records with a practice address in Wisconsin. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 81% of them.
- NPI issued2016 · 81% of these records are older, 17% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2016 · median 2007 among the 478 with a school on file
- Record last updated2020 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 obstetrics & gynecology physician records list a practice address in Pleasant Prairie
They are 4 of the 307 NPPES records with a practice address in Pleasant Prairie, and 796 obstetrics & gynecology physician records in Wisconsin.
All 796 in Wisconsin → Every provider in Pleasant Prairie → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Thomas Ambro, MDPleasant Prairie, WI 531581316993678
- Caroline Bednarski, MDPleasant Prairie, WI 531581407218894
- Michael Schellpfeffer, MDPleasant Prairie, WI 531581164457479
- Walter Melnyczenko, M.D.Oak Creek, WI 531541811915366
- Mary Anderson, MDLake Geneva, WI 531471487662060
- Andrea Boeckman, MDLake Geneva, WI 531471194882514
- Susan Hagnell, MDLake Geneva, WI 531471871672923
- Debora Sportiello, MDLake Geneva, WI 531471588719660
Common questions
What is Brian Tillis, MD's NPI number?
Brian Tillis, MD's National Provider Identifier (NPI) is 1396107405, issued on Mar 28, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Brian Tillis, MD located?
The NPPES record lists a practice address at 9555 76TH St Ste 4105, Pleasant Prairie, WI, 53158. Phone: (262) 577-8080. Providers update this record themselves, so call before visiting.
How can I verify Brian Tillis, MD's license?
NPPES lists Wisconsin license number 69543-20, 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 Brian Tillis, MD prescribe under Medicare Part D?
In 2024, Brian Tillis, MD had 76 Medicare Part D claims for 29 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Brian Tillis, MD's MIPS final score?
The 2023 MIPS final score is 79.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.