NPPES file of Aug 9, 2026

William E. Maloney, M.D.

Emergency Medicine Physician · Milwaukee, WI

William E. Maloney, M.D. is an emergency medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1609810548, issued on Jun 15, 2006. Check the license (Wisconsin 37105-020, 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
1609810548
Name
William E. Maloney
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
37105-020 WI
036-081099 IL
Self-reported in NPPES; status is on the state search
Practice location
111 E Wisconsin Ave, Milwaukee, WI 53202
Phone
(414) 290-6720
Enumerated
Jun 15, 2006
Record last updated
Dec 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(414) 290-6755
Medicaid IDs
33269400 WI
036081099 IL
Medicare enrollment
Enrolled (PECOS I20060421000381); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1988
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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8 nearest emergency medicine physician records → All 1,464 in Wisconsin → Look up another NPI →

Also registered at 111 E Wisconsin Ave

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

  1. Manish Acharya, M.D.Emergency Medicine Physician1437129715
  2. Ayobami Adelayi, CRNACertified Registered Nurse Anesthetist1477926202
  3. Hector Aguilera, M.D.Emergency Medicine Physician1174593487
  4. Glenn Aldinger, M.D.Emergency Medicine Physician1639138381
  5. Adam Ankrum, D.O.Emergency Medicine Physician1003875303
  6. Toni Anschutz, N.P.Nurse Practitioner1558511253

Verify William E. Maloney in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 37105-020    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

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2.5 times the Medicare Part D claims of the average emergency medicine physician in 2024

569 Medicare Part D claims for 405 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 183 claims were for opioids.

  1. William Maloney569
  2. Specialty average226

Most prescribed

  1. Hydrocodone-Acetaminophen118 claims
  2. Tramadol Hcl55 claims
  3. Cephalexin47 claims
  4. Methylprednisolone42 claims
  5. Amoxicillin-Clavulanate Potass28 claims
  6. Azithromycin26 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. Cepamerica Illinois LLPSpringfield, IL

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

William E. Maloney among 1,464 emergency medicine physician records in Wisconsin

William E. Maloney, M.D. is one of 1,464 emergency medicine physician records with a practice address in Wisconsin. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 58% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1988 · median 2011 among the 844 with a school on file
  • Record last updated2021 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

358 emergency medicine physician records list a practice address in Milwaukee

They are 358 of the 18,389 NPPES records with a practice address in Milwaukee, and 1,464 emergency medicine physician records in Wisconsin.

All 1,464 in Wisconsin → Every provider in Milwaukee → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Manish Acharya, M.D.Milwaukee, WI 532021437129715
  2. Hector Aguilera, M.D.Milwaukee, WI 532021174593487
  3. Glenn Aldinger, M.D.Milwaukee, WI 532021639138381
  4. Adam Ankrum, D.O.Milwaukee, WI 532021003875303
  5. Jennifer Augustine, M.D.Milwaukee, WI 532021295795904
  6. Margaret Barron, M.D.Milwaukee, WI 532021831159482
  7. Stephanie Boyer, M.D.Milwaukee, WI 532021124081765
  8. Nathaniel Brackett, M.D.Milwaukee, WI 532021457314429

Common questions

What is William E. Maloney, M.D.'s NPI number?

William E. Maloney, M.D.'s National Provider Identifier (NPI) is 1609810548, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William E. Maloney, M.D. located?

The NPPES record lists a practice address at 111 E Wisconsin Ave, Milwaukee, WI, 53202. Phone: (414) 290-6720. Providers update this record themselves, so call before visiting.

How can I verify William E. Maloney, M.D.'s license?

NPPES lists Wisconsin license number 37105-020, 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 William E. Maloney, M.D. prescribe under Medicare Part D?

In 2024, William E. Maloney, M.D. had 569 Medicare Part D claims for 405 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.