NPPES file of Aug 9, 2026

Lynn L. Maxa, D.O

Emergency Medicine Physician · Milwaukee, WI

Lynn L. Maxa, D.O is an emergency medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1598298275, issued on Apr 9, 2017. Check the license (Wisconsin 76087, 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
1598298275
Name
Lynn L. Maxa
Credential
D.O
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
76087 WI
036152515 IL
Self-reported in NPPES; status is on the state search
Practice location
945 N 12TH St, Milwaukee, WI 53233
Phone
(414) 219-2000
Enumerated
Apr 9, 2017
Record last updated
Oct 21, 2024
Medicaid ID
100181894 WI
Medicare enrollment
Enrolled (PECOS I20211013001706); accepts Medicare assignment
Medical or professional school
Midwestern University, Chicago College Of Osteopathic Med, 2017
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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Also registered at 945 N 12TH St

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

  1. Ahmed Abdelmagid, M.D.Critical Care Medicine (Internal Medicine) Physician1144589383
  2. Mohammad Abdul AzeemNeurology Physician1295229797
  3. Ibrahim Abu-ArqoubPharmacist1033539390
  4. Stephanie Adamczyk, PAPhysician Assistant1063007441
  5. Shant Adamian, DOObstetrics & Gynecology Physician1952861668
  6. Ola AhmadStudent in an Organized Health Care Education/Training Program1629871645

Verify Lynn L. Maxa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 76087
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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70% fewer Medicare Part D claims than the average emergency medicine physician in 2024

67 Medicare Part D claims for 53 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Lynn Maxa67
  2. Specialty average226

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. Aurora Medical Group, Inc.Milwaukee, WI

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

Lynn L. Maxa among 1,464 emergency medicine physician records in Wisconsin

Lynn L. Maxa, D.O 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 2017, is newer than 78% of them.

  • NPI issued2017 · 78% of these records are older, 19% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2017 · median 2011 among the 844 with a school on file
  • Record last updated2024 · 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.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Ryan Bass, D.O.Milwaukee, WI 532331548467764
  2. Jaime Butler, MDMilwaukee, WI 532331033120126
  3. Paul Coogan, MDMilwaukee, WI 532331679526065
  4. Warren Entwistle, DOMilwaukee, WI 532331225004310
  5. James Holmberg, M.D.Milwaukee, WI 532331902889736
  6. Cheryl Jeanpierre, D.O.Milwaukee, WI 532331750343497
  7. Anne Johnson, M.D.Milwaukee, WI 532331235156878
  8. Ann Lagerlund, M.D.Milwaukee, WI 532331497965172

Common questions

What is Lynn L. Maxa, D.O's NPI number?

Lynn L. Maxa, D.O's National Provider Identifier (NPI) is 1598298275, issued on Apr 9, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Lynn L. Maxa, D.O located?

The NPPES record lists a practice address at 945 N 12TH St, Milwaukee, WI, 53233. Phone: (414) 219-2000. Providers update this record themselves, so call before visiting.

How can I verify Lynn L. Maxa, D.O's license?

NPPES lists Wisconsin license number 76087, 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 Lynn L. Maxa, D.O prescribe under Medicare Part D?

In 2024, Lynn L. Maxa, D.O had 67 Medicare Part D claims for 53 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.

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.