NPPES file of Aug 9, 2026

Michael H. Zeihen, MD

Internal Medicine Physician · Kenosha, WI

Michael H. Zeihen, MD is an internal medicine physician with a practice address in Kenosha, Wisconsin, and NPI 1043266992, issued on May 25, 2006. Check the license (Wisconsin 19746, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043266992
Name
Michael H. Zeihen
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
19746 WI
Self-reported in NPPES; status is on the state search
Practice location
6308 8TH Ave, Kenosha, WI 53143
Phone
(262) 653-5300
Enumerated
May 25, 2006
Record last updated
Mar 14, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(262) 653-5412
Medicaid ID
30262200 WI
Medicare enrollment
Enrolled (PECOS I20100319000667); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 1974
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 6308 8TH Ave

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

  1. Katherine Abbo, MD FACCCardiovascular Disease Physician1962488965
  2. Mary Ansari, CRNARegistered Nurse1700074440
  3. Theresa Aschenbrener, C.R.N.A.Certified Registered Nurse Anesthetist1275518276
  4. Mustafa Badrudduja, MDSurgery Physician1083744486
  5. Narayan BaligaAnesthesiology Physician1972586931
  6. Heather Barrett, PAMedical Physician Assistant1629080247

Verify Michael H. Zeihen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 19746
    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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3.1 times the Medicare Part D claims of the average internal medicine physician in 2024

9,988 Medicare Part D claims for 596 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 657 claims were for opioids.

  1. Michael Zeihen9,988
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate457 claims
  2. Atorvastatin Calcium449 claims
  3. Levothyroxine Sodium393 claims
  4. Lisinopril309 claims
  5. Metformin Hcl302 claims
  6. Simvastatin255 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 79.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score70.9
  2. Costout of 100 · 30%61.2
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $13.35

1 payment: food and beverage; the largest payer was Boston Scientific Corporation. 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. Michael Zeihen$13.35
  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.

Bills Medicare through 2 group practices

  1. Advantage Physical Therapy And Sports Rehab, LLCPleasant Prairie, WI
  2. Froedtert South IncKenosha, WI

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

Michael H. Zeihen among 2,078 internal medicine physician records in Wisconsin

Michael H. Zeihen, 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 fileYes · 53% of these records are
  • Graduated1974 · median 2002 among the 1,098 with a school on file
  • Record last updated2008 · 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).

31 internal medicine physician records list a practice address in Kenosha

They are 31 of the 1,852 NPPES records with a practice address in Kenosha, and 2,078 internal medicine physician records in Wisconsin.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ernesto Buencamino, MDKenosha, WI 531431093748493
  2. Wendel Friedl, MDKenosha, WI 531431700832797
  3. Catherine Gursky, D.O.Kenosha, WI 531431497980973
  4. Kelly Heidle, D.O.Kenosha, WI 531431992044846
  5. Seema Khan, MDKenosha, WI 531431306949243
  6. Mithin Mathew, DOKenosha, WI 531431265015267
  7. Suzanne Mattox, MDKenosha, WI 531431659327583
  8. Chigozie Nweke, MDKenosha, WI 531431588866644

Common questions

What is Michael H. Zeihen, MD's NPI number?

Michael H. Zeihen, MD's National Provider Identifier (NPI) is 1043266992, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael H. Zeihen, MD located?

The NPPES record lists a practice address at 6308 8TH Ave, Kenosha, WI, 53143. Phone: (262) 653-5300. Providers update this record themselves, so call before visiting.

How can I verify Michael H. Zeihen, MD's license?

NPPES lists Wisconsin license number 19746, 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 H. Zeihen, MD prescribe under Medicare Part D?

In 2024, Michael H. Zeihen, MD had 9,988 Medicare Part D claims for 596 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Michael H. Zeihen, MD's MIPS final score?

The 2023 MIPS final score is 79.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.