NPPES file of Aug 9, 2026

Michael N. Katzoff, MD

Pulmonary Disease Physician · Milwaukee, WI

Michael N. Katzoff, MD is a pulmonary disease physician with a practice address in Milwaukee, Wisconsin, and NPI 1558304485, issued on Jun 14, 2006. Check the license (Wisconsin 22418-020, 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
1558304485
Name
Michael N. Katzoff
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
22418-020 WI
Self-reported in NPPES; status is on the state search
Practice location
3237 S 16TH St, Milwaukee, WI 53215
Phone
(414) 647-5000
Enumerated
Jun 14, 2006
Record last updated
Feb 1, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
30422900 WI
Medicare enrollment
Enrolled (PECOS I20040628001038); accepts Medicare assignment
Medical or professional school
New York Medical College, 1976
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 3237 S 16TH St

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

  1. Eileen Abrams, PSY.DClinical Psychologist1730855172
  2. Eili AdamsNurse's Aide1750958930
  3. Francisco Aguilar, M.D.Infectious Disease Physician1326197831
  4. Yassir Ahmed, M.D.Hospitalist Physician1689068942
  5. Arthur Arena, MDObstetrics & Gynecology Physician1376583286
  6. Michael Armstrong, MDEmergency Medicine Physician1336191162

Verify Michael N. Katzoff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 22418-020
    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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56% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

631 Medicare Part D claims for 92 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Michael Katzoff631
  2. Specialty average1,425

Most prescribed

  1. Clonazepam156 claims
  2. Albuterol Sulfate Hfa73 claims
  3. Zolpidem Tartrate61 claims
  4. Modafinil48 claims
  5. Anoro Ellipta37 claims
  6. Trelegy Ellipta30 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.

Industry payments in 2024: $211.40

6 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Katzoff$211.40
  2. Specialty average$5,159.88

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Michael N. Katzoff among 300 pulmonary disease physician records in Wisconsin

Michael N. Katzoff, MD is one of 300 pulmonary disease physician records with a practice address in Wisconsin. 81% 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, 49% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1976 · median 2003 among the 220 with a school on file
  • Record last updated2021 · 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 207RP1001X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Wisconsin

There are 300 pulmonary disease physician records in Wisconsin.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Maqbool Arshad, MDMilwaukee, WI 532151518999655
  2. Dinesh Belani, M. D.Milwaukee, WI 532151659642452
  3. Ernesto Brauer, MDMilwaukee, WI 532151114970795
  4. Mary Ellis, MDMilwaukee, WI 532151962452706
  5. Theodore Gronski, MDMilwaukee, WI 532151659320059
  6. Muhammad Nadeem, M.D.Milwaukee, WI 532151760580955
  7. Kiran Padala, MDMilwaukee, WI 532151194805200
  8. Jason Prudom, M.D.Milwaukee, WI 532151265775993

Common questions

What is Michael N. Katzoff, MD's NPI number?

Michael N. Katzoff, MD's National Provider Identifier (NPI) is 1558304485, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael N. Katzoff, MD located?

The NPPES record lists a practice address at 3237 S 16TH St, Milwaukee, WI, 53215. Phone: (414) 647-5000. Providers update this record themselves, so call before visiting.

How can I verify Michael N. Katzoff, MD's license?

NPPES lists Wisconsin license number 22418-020, 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 Michael N. Katzoff, MD prescribe under Medicare Part D?

In 2024, Michael N. Katzoff, MD had 631 Medicare Part D claims for 92 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.