Anthony Marchlewski, MD
Family Medicine Physician · Waukesha, WI
Anthony Marchlewski, MD is a family medicine physician with a practice address in Waukesha, Wisconsin, and NPI 1811685563, issued on Apr 28, 2023. Check the license on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Anthony Marchlewski
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036179659 IL
Self-reported in NPPES; status is on the state search - Practice location
- 210 NW Barstow St, Waukesha, WI 53188
- Phone
- (262) 548-6903
- Enumerated
- Apr 28, 2023
- Record last updated
- Jul 30, 2026
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 210 NW Barstow St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Anthony Marchlewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family medicine physician in 2024
100 Medicare Part D claims for 30 beneficiaries, against an average of 3,544 among the 117,163 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.
Anthony Marchlewski among 3,765 family medicine physician records in Wisconsin
Anthony Marchlewski, 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 2023, is newer than 96% of them.
- NPI issued2023 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2026 · 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).
76 family medicine physician records list a practice address in Waukesha
They are 76 of the 2,814 NPPES records with a practice address in Waukesha, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Waukesha → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ronald Cooper, MDWaukesha, WI 531881396799615
- James Dall, MDWaukesha, WI 531881205908159
- Todd Doenier, MDWaukesha, WI 531881265496319
- Paul Doenier, M.D.Waukesha, WI 531881720030489
- Leif Esbensen, MDWaukesha, WI 531881669544508
- Patrick Ginn, M.D.Waukesha, WI 531881265404586
- Susanne Krasovich, MDWaukesha, WI 531881043261886
- Karen Nelson, M.D.Waukesha, WI 531881225097405
Common questions
What is Anthony Marchlewski, MD's NPI number?
Anthony Marchlewski, MD's National Provider Identifier (NPI) is 1811685563, issued on Apr 28, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Anthony Marchlewski, MD located?
The NPPES record lists a practice address at 210 NW Barstow St, Waukesha, WI, 53188. Phone: (262) 548-6903. Providers update this record themselves, so call before visiting.
How can I verify Anthony Marchlewski, MD's license?
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 Anthony Marchlewski, MD prescribe under Medicare Part D?
In 2024, Anthony Marchlewski, MD had 100 Medicare Part D claims for 30 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.