NPPES file of Aug 9, 2026

John C. Wlezniak, M.D.

Emergency Medicine Physician · Livonia, MI

John C. Wlezniak, M.D. is an emergency medicine physician with a practice address in Livonia, Michigan, and NPI 1760405369, issued on Jul 25, 2006. Check the license (Michigan 4301057564, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1760405369
Name
John C. Wlezniak
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
4301057564 MI
Self-reported in NPPES; status is on the state search
Practice location
36475 5 Mile RD, Livonia, MI 48154
Phone
(734) 655-1420
Enumerated
Jul 25, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(734) 655-1445
Medicaid ID
4200396 MI
Medicare enrollment
Enrolled (PECOS I20100724000160); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 1991
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 36475 5 Mile RD

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

  1. Patricia Arabo, M.D.Emergency Medicine Physician1235235599
  2. Lisa Barton, OTROccupational Therapist1033616834
  3. Michael Biller, CRNACertified Registered Nurse Anesthetist1063442432
  4. Amgad Bissada, M.D.Internal Medicine Physician1295753101
  5. Kathryn Borromeo, RNFARegistered Nurse First Assistant1598844458
  6. Brenni Brown-Polanski, CRNACertified Registered Nurse Anesthetist1609806967

Verify John C. Wlezniak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301057564
    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 Michigan 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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2.9 times the Medicare Part D claims of the average emergency medicine physician in 2024

650 Medicare Part D claims for 405 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 111 claims were for opioids.

  1. John Wlezniak650
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt95 claims
  2. Hydrocodone-Acetaminophen73 claims
  3. Prednisone59 claims
  4. Ibuprofen43 claims
  5. Cefdinir38 claims
  6. Dexamethasone29 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: $104.62

1 payment: food and beverage; the largest payer was Csl Behring. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Wlezniak$104.62
  2. Specialty average$953.79

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. Ballantyne Emergency Physicians PLLCCharlotte, NC
  2. Wake Forest Emergency ProvidersConcord, NC

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

John C. Wlezniak among 3,083 emergency medicine physician records in Michigan

John C. Wlezniak, M.D. is one of 3,083 emergency medicine physician records with a practice address in Michigan. 82% 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 1% of them.

  • NPI issued2006 · 1% of these records are older, 77% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1991 · median 2013 among the 1,931 with a school on file
  • Record last updated2007 · 53% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Michigan

There are 3,083 emergency medicine physician records in Michigan.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Patricia Arabo, M.D.Livonia, MI 481541235235599
  2. Nicholas Branscomb, D.O.Livonia, MI 481541689907206
  3. Michael Calice, M.D.Livonia, MI 481541518993617
  4. Stephen Chabala, D.O.Livonia, MI 481541265525281
  5. Sara Chakel, MDLivonia, MI 481541235259458
  6. Jeffery Chapman, D.O.Livonia, MI 481541457464174
  7. Jodi Galdes, M.D.Livonia, MI 481541053331983
  8. Dominique Hill, MDLivonia, MI 481541942529045

Common questions

What is John C. Wlezniak, M.D.'s NPI number?

John C. Wlezniak, M.D.'s National Provider Identifier (NPI) is 1760405369, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John C. Wlezniak, M.D. located?

The NPPES record lists a practice address at 36475 5 Mile RD, Livonia, MI, 48154. Phone: (734) 655-1420. Providers update this record themselves, so call before visiting.

How can I verify John C. Wlezniak, M.D.'s license?

NPPES lists Michigan license number 4301057564, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John C. Wlezniak, M.D. prescribe under Medicare Part D?

In 2024, John C. Wlezniak, M.D. had 650 Medicare Part D claims for 405 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.

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.