NPPES file of Aug 9, 2026

Michael Leroy Landrum, M.D.

Infectious Disease Physician · Green Bay, WI

Michael Leroy Landrum, M.D. is an infectious disease physician with a practice address in Green Bay, Wisconsin, and NPI 1932280104, issued on Oct 17, 2006. Check the license (Wisconsin 56939, 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
1932280104
Name
Michael Leroy Landrum
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License numbers
56939 WI
01054143A IN
4301503113 MI
Self-reported in NPPES; status is on the state search
Practice location
744 S Webster Ave, Green Bay, WI 54301
Phone
(920) 433-3456
Enumerated
Oct 17, 2006
Record last updated
Jan 20, 2023
Fax
(920) 433-3469
Medicare enrollment
Enrolled (PECOS I20210721002257); accepts Medicare assignment
Medical or professional school
University Of Missouri, Columbia School Of Medicine, 1999
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 744 S Webster Ave

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

  1. Adam Aicher, D.O.Emergency Medicine Physician1336280585
  2. Manar Al Shahrouri, MDPulmonary Disease Physician1093731382
  3. Hannah Alsteen, FNP-CFamily Nurse Practitioner1649823881
  4. Kyle Anderson, CRNACertified Registered Nurse Anesthetist1205580313
  5. Lori Anderson, CRNACertified Registered Nurse Anesthetist1508953274
  6. Paul AndersonAnesthesiology Physician1750648481

Verify Michael Leroy Landrum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 56939
    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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29% fewer Medicare Part D claims than the average infectious disease physician in 2024

490 Medicare Part D claims for 46 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 68% of claims.

  1. Michael Landrum490
  2. Specialty average689

Most prescribed

  1. Biktarvy103 claims
  2. Tivicay80 claims
  3. Descovy48 claims
  4. Prezcobix27 claims
  5. Emtricitabine-Tenofovir Disop22 claims
  6. Triumeq20 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. Bellin Memorial Hospital IncIron Mountain, MI

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

Michael Leroy Landrum among 171 infectious disease physician records in Wisconsin

Michael Leroy Landrum, M.D. is one of 171 infectious disease physician records with a practice address in Wisconsin. 83% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 53% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1999 · median 2004 among the 125 with a school on file
  • Record last updated2023 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Wisconsin

There are 171 infectious disease physician records in Wisconsin.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Adetunji Adejumo, MDGreen Bay, WI 543011942532528
  2. David Brooks, M.D.Green Bay, WI 543011407993066
  3. Sarah Lulloff, MDGreen Bay, WI 543011215953062
  4. Agnes Kresch, M.D.Green Bay, WI 543031871720995
  5. Ann Laake, MDGreen Bay, WI 543031144456187
  6. Edward Morales, MDGreen Bay, WI 543031770579757
  7. Kali Maniam, MDGreen Bay, WI 543111972164903
  8. David Miller, MDGreen Bay, WI 543111780769638

Common questions

What is Michael Leroy Landrum, M.D.'s NPI number?

Michael Leroy Landrum, M.D.'s National Provider Identifier (NPI) is 1932280104, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Leroy Landrum, M.D. located?

The NPPES record lists a practice address at 744 S Webster Ave, Green Bay, WI, 54301. Phone: (920) 433-3456. Providers update this record themselves, so call before visiting.

How can I verify Michael Leroy Landrum, M.D.'s license?

NPPES lists Wisconsin license number 56939, 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 Michael Leroy Landrum, M.D. prescribe under Medicare Part D?

In 2024, Michael Leroy Landrum, M.D. had 490 Medicare Part D claims for 46 beneficiaries; the average among infectious disease physician prescribers was 689. 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.