NPPES file of Aug 9, 2026

John D. Steiner, MD

Internal Medicine Physician · Oshkosh, WI

John D. Steiner, MD is an internal medicine physician with a practice address in Oshkosh, Wisconsin, and NPI 1326155540, issued on Aug 24, 2006. Check the license (Wisconsin 33573, 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
1326155540
Name
John D. Steiner
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
33573 WI
Self-reported in NPPES; status is on the state search
Practice location
3151 Eden CT, Oshkosh, WI 54904
Phone
(920) 651-4000
Enumerated
Aug 24, 2006
Record last updated
Jan 22, 2024
Medicaid ID
31854900 WI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3151 Eden CT

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

  1. Nicole Stevens, OTROccupational Therapist1013213578

Verify John D. Steiner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 33573
    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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3.4 times the Medicare Part D claims of the average internal medicine physician in 2024

10,676 Medicare Part D claims for 317 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 273 claims were for opioids.

  1. John Steiner10,676
  2. Specialty average3,176

Most prescribed

  1. Furosemide443 claims
  2. Gabapentin403 claims
  3. Atorvastatin Calcium400 claims
  4. Levothyroxine Sodium363 claims
  5. Eliquis340 claims
  6. Pantoprazole Sodium260 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: $401.80

2 payments; by number, the most common kind was travel and lodging; the largest payer was Medtronic, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Steiner$401.80
  2. Specialty average$1,303.06

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

John D. Steiner among 2,078 internal medicine physician records in Wisconsin

John D. Steiner, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 46% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2024 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

25 internal medicine physician records list a practice address in Oshkosh

They are 25 of the 1,527 NPPES records with a practice address in Oshkosh, and 2,078 internal medicine physician records in Wisconsin.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ammar Alzoubi, MDOshkosh, WI 549041598773152
  2. Lisa Anthony, MDOshkosh, WI 549041659346773
  3. Mark Cockley, MDOshkosh, WI 549041669456422
  4. Michael Duffy, MDOshkosh, WI 549041922113182
  5. Elizabeth Kimbrough, MDOshkosh, WI 549041750366704
  6. Teresa Lee, MDOshkosh, WI 549041700871209
  7. Joseph McCausland, DOOshkosh, WI 549041558416644
  8. Denise Prehn, MDOshkosh, WI 549041992812200

Common questions

What is John D. Steiner, MD's NPI number?

John D. Steiner, MD's National Provider Identifier (NPI) is 1326155540, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John D. Steiner, MD located?

The NPPES record lists a practice address at 3151 Eden CT, Oshkosh, WI, 54904. Phone: (920) 651-4000. Providers update this record themselves, so call before visiting.

How can I verify John D. Steiner, MD's license?

NPPES lists Wisconsin license number 33573, 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 John D. Steiner, MD prescribe under Medicare Part D?

In 2024, John D. Steiner, MD had 10,676 Medicare Part D claims for 317 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.