Benjamin Maruska, MD
Anesthesiology Physician · Milwaukee, WI
Benjamin Maruska, MD is an anesthesiology physician with a practice address in Milwaukee, Wisconsin, and NPI 1699525691, issued on Mar 25, 2024. Check the license (Wisconsin 101200-851, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Benjamin Maruska
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 101200-851 WI
Self-reported in NPPES; status is on the state search - Practice location
- 8701 Watertown Plank RD, Milwaukee, WI 53226
- Phone
- (414) 955-4575
- Enumerated
- Mar 25, 2024
- Record last updated
- Jun 13, 2024
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,313 in Wisconsin → Look up another NPI →
Also registered at 8701 Watertown Plank RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Benjamin Maruska in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 101200-851Check 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 anesthesiology physician in 2024
13 Medicare Part D claims, against an average of 402 among the 4,319 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.
Benjamin Maruska among 1,313 anesthesiology physician records in Wisconsin
Benjamin Maruska, MD is one of 1,313 anesthesiology 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 2024, is newer than 96% of them.
- NPI issued2024 · 96% of these records are older, 3% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
387 anesthesiology physician records list a practice address in Milwaukee
They are 387 of the 18,389 NPPES records with a practice address in Milwaukee, and 1,313 anesthesiology physician records in Wisconsin.
All 1,313 in Wisconsin → Every provider in Milwaukee → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Meredith Albrecht, MD PHDMilwaukee, WI 532261750363099
- Athlene Alexis, M.D.Milwaukee, WI 532261346223161
- Melissa Anglin, M.D.Milwaukee, WI 532261174522130
- Lourdes Burgos, MDMilwaukee, WI 532261154371680
- Antonio Caballero, M.D.Milwaukee, WI 532261245213941
- Adam Cambray, M.D.Milwaukee, WI 532261639134786
- Robert Corish, M.D.Milwaukee, WI 532261194708008
- Su-Ryong Hur, M.D.Milwaukee, WI 532261245214659
Common questions
What is Benjamin Maruska, MD's NPI number?
Benjamin Maruska, MD's National Provider Identifier (NPI) is 1699525691, issued on Mar 25, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Maruska, MD located?
The NPPES record lists a practice address at 8701 Watertown Plank RD, Milwaukee, WI, 53226. Phone: (414) 955-4575. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Maruska, MD's license?
NPPES lists Wisconsin license number 101200-851, 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 Benjamin Maruska, MD prescribe under Medicare Part D?
In 2024, Benjamin Maruska, MD had 13 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. 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.