NPPES file of Aug 9, 2026

Mark D. Weissman, M.D.

Emergency Medicine Physician · Marinette, WI

Mark D. Weissman, M.D. is an emergency medicine physician with a practice address in Marinette, Wisconsin, and NPI 1366426538, issued on Dec 1, 2005. Check the license (Wisconsin 33134020, 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
1366426538
Name
Mark D. Weissman
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
33134020 WI
01040184A IN
Self-reported in NPPES; status is on the state search
Practice location
3003 University Dr, Marinette, WI 54143
Phone
(715) 735-4200
Enumerated
Dec 1, 2005
Record last updated
Mar 7, 2025
Medicaid ID
31806700 WI
Medicare enrollment
Enrolled (PECOS I20040813000380); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1990
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 3003 University Dr

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

  1. Siddhanth Ahluwalia, MDAnesthesiology Physician1851813489
  2. Emmanouil Alimpertis, M.D.Hematology & Oncology Physician1366827768
  3. Alok Arora, MD, MRCP(UK) ACUTE MInternal Medicine Physician1093121527
  4. Brooke Berg, PA-CPhysician Assistant1023772084
  5. Jacob Brugger, MDEmergency Medicine Physician1619474129
  6. Kirsten Buck, M.D.Anesthesiology Physician1366447278

Verify Mark D. Weissman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 33134020    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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42% more Medicare Part D claims than the average emergency medicine physician in 2024

321 Medicare Part D claims for 202 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 44 claims were for opioids.

  1. Mark Weissman321
  2. Specialty average226

Most prescribed

  1. Baclofen33 claims
  2. Ondansetron Odt28 claims
  3. Hydrocodone-Acetaminophen23 claims
  4. Prednisone23 claims
  5. Tramadol Hcl19 claims
  6. Cefdinir15 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 2 group practices

  1. Aurora Medical Group, Inc.Marinette, WI
  2. MD @ Home Illinois, SCChicago, IL

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

Mark D. Weissman among 1,464 emergency medicine physician records in Wisconsin

Mark D. Weissman, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1990 · median 2011 among the 844 with a school on file
  • Record last updated2025 · 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).

11 emergency medicine physician records list a practice address in Marinette

They are 11 of the 452 NPPES records with a practice address in Marinette, and 1,464 emergency medicine physician records in Wisconsin.

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

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Bianca Asan Borja, M.D.Marinette, WI 541431306258728
  2. Jacob Brugger, MDMarinette, WI 541431619474129
  3. Michael Hartmann, DOMarinette, WI 541431215986930
  4. Aubrey Hoye, DOMarinette, WI 541431396977278
  5. James Reeves, D.O.Marinette, WI 541431437537248
  6. Kevin Reid, MDMarinette, WI 541431831652940
  7. Richard Stein, M.D.Marinette, WI 541431033143318
  8. Jeffrey Swift, MDMarinette, WI 541431548569767

Common questions

What is Mark D. Weissman, M.D.'s NPI number?

Mark D. Weissman, M.D.'s National Provider Identifier (NPI) is 1366426538, issued on Dec 1, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark D. Weissman, M.D. located?

The NPPES record lists a practice address at 3003 University Dr, Marinette, WI, 54143. Phone: (715) 735-4200. Providers update this record themselves, so call before visiting.

How can I verify Mark D. Weissman, M.D.'s license?

NPPES lists Wisconsin license number 33134020, 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 Mark D. Weissman, M.D. prescribe under Medicare Part D?

In 2024, Mark D. Weissman, M.D. had 321 Medicare Part D claims for 202 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.