Stephen R. Bartos, MD
Surgery Physician · Waukesha, WI
Stephen R. Bartos, MD is a surgery physician with a practice address in Waukesha, Wisconsin, and NPI 1083601645, issued on Sep 29, 2005. Check the license (Wisconsin 37461, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Stephen R. Bartos
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 37461 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1111 Delafield St, Waukesha, WI 53188
- Phone
- (262) 542-0444
- Enumerated
- Sep 29, 2005
- Record last updated
- Apr 24, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (262) 542-8214
- Medicaid ID
- 32240400 WI
- Medicare enrollment
- Enrolled (PECOS I20100217000263); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 726 in Wisconsin → Look up another NPI →
Also registered at 1111 Delafield St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Beth Angsten, M.D.Obstetrics & Gynecology Physician1174596217
- Amy Attwell, MDPediatric Adolescent Medicine Physician1972578383
- April Barron, MS, RD, CSR, CDRegistered Dietitian1144347758
- Gerald Berman, M.D.Internal Medicine Physician1215909734
- Joseph BestOral and Maxillofacial Surgery (Dentist)1881702439
- Dhun Bhathena, MDSpecialist1841262862
Verify Stephen R. Bartos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 37461Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average surgery physician in 2024
110 Medicare Part D claims for 56 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Clopidogrel51 claims
- Hydrocodone-Acetaminophen23 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.
Industry payments in 2024: $78.24
1 payment: travel and lodging; the largest payer was Baxter Healthcare. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Waukesha Surgical Specialists, S.C.Waukesha, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen R. Bartos among 726 surgery physician records in Wisconsin
Stephen R. Bartos, MD is one of 726 surgery physician records with a practice address in Wisconsin. 72% 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, 88% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1987 · median 2006 among the 446 with a school on file
- Record last updated2019 · 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 208600000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Wisconsin
There are 726 surgery physician records in Wisconsin.
All 726 in Wisconsin → Every provider in Waukesha → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- William Davies, MDWaukesha, WI 531881336136985
- Christopher Davies, MDWaukesha, WI 531881437146099
- Justin Dux, MDWaukesha, WI 531881518209022
- Christopher Fox, MDWaukesha, WI 531881609863273
- Edward Kreimier III, M.D.Waukesha, WI 531881851633754
- Riom Kwakman, MDWaukesha, WI 531881952963811
- Archebald Pequet, MDWaukesha, WI 531881952398521
- Kelli Pettit, MDWaukesha, WI 531881477643807
Common questions
What is Stephen R. Bartos, MD's NPI number?
Stephen R. Bartos, MD's National Provider Identifier (NPI) is 1083601645, issued on Sep 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stephen R. Bartos, MD located?
The NPPES record lists a practice address at 1111 Delafield St, Waukesha, WI, 53188. Phone: (262) 542-0444. Providers update this record themselves, so call before visiting.
How can I verify Stephen R. Bartos, MD's license?
NPPES lists Wisconsin license number 37461, 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 Stephen R. Bartos, MD prescribe under Medicare Part D?
In 2024, Stephen R. Bartos, MD had 110 Medicare Part D claims for 56 beneficiaries; the average among surgery physician prescribers was 147. 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.