NPPES file of Aug 9, 2026

Conrad Kozlowski, MD

Sleep Medicine (Internal Medicine) Physician · Muskegon, MI

Conrad Kozlowski, MD is a sleep medicine (internal medicine) physician with a practice address in Muskegon, Michigan, and NPI 1710479399, issued on May 31, 2018. Check the license (Michigan 4301504087, 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
1710479399
Name
Conrad Kozlowski
Credential
MD
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License numbers
4301504087 MI
27-1511893 CO
Self-reported in NPPES; status is on the state search
Practice location
1277 Mercy Dr, Muskegon, MI 49444
Phone
(231) 672-6186
Enumerated
May 31, 2018
Record last updated
Jan 17, 2024
Fax
(231) 672-6181
Medicare enrollment
Enrolled (PECOS I20230426001852); accepts Medicare assignment
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 1277 Mercy Dr

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

  1. Kelsi Drudy, PA-CMedical Physician Assistant1871067819
  2. Brian Gradwohl, PHDClinical Neuropsychologist1457974784
  3. Syed Husaini, M.DSleep Medicine (Family Medicine) Physician1386098804
  4. Barry Kram, D.O.Nephrology Physician1508863457
  5. Leah Martin, PA-CPhysician Assistant1063930550
  6. Bao-Min Twu, MDNephrology Physician1356342448

Verify Conrad Kozlowski 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 4301504087
    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

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83% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024

98 Medicare Part D claims for 37 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D.

  1. Conrad Kozlowski98
  2. Specialty average585

Most prescribed

  1. Gabapentin30 claims
  2. Clonazepam18 claims
  3. Trazodone Hcl11 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: $262.24

11 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 664 providers of this specialty with any payment received $3,724.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Conrad Kozlowski$262.24
  2. Specialty average$3,724.37

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

Bills Medicare through 4 group practices

  1. Advantage Health/saint Mary's Medical GroupGrand Rapids, MI
  2. Lakeshore Community Hospital IncShelby, MI
  3. Mercy Health PartnersShelby, MI
  4. Mercy Health Partners Sub-Specialty ServicesMuskegon, MI

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

Sleep Medicine (Internal Medicine) Physician providers in Michigan

There are 52 sleep medicine (internal medicine) physician records in Michigan.

Other sleep medicine (internal medicine) physician records in Michigan

  1. Darian Aboubakare, MDRoyal Oak, MI1558941674
  2. Kwsai Al-Rahhal, MDKalamazoo, MI1639159247
  3. Emad Alatassi, M.D.Roseville, MI1528018256
  4. Michel Alkhalil, MDTroy, MI1518062942
  5. William Allen, MDSouthfield, MI1891016317
  6. Khaled Almadhoun, DODetroit, MI1710544630
  7. Ruth Barnett, D.O.Detroit, MI1306969944
  8. Luisa Bazan, M.D.Detroit, MI1891863320
  9. Nathan Boss, M.D.Charlevoix, MI1699794958
  10. Satya Chaparala, MDBattle Creek, MI1457311300

Common questions

What is Conrad Kozlowski, MD's NPI number?

Conrad Kozlowski, MD's National Provider Identifier (NPI) is 1710479399, issued on May 31, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Conrad Kozlowski, MD located?

The NPPES record lists a practice address at 1277 Mercy Dr, Muskegon, MI, 49444. Phone: (231) 672-6186. Providers update this record themselves, so call before visiting.

How can I verify Conrad Kozlowski, MD's license?

NPPES lists Michigan license number 4301504087, 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 Conrad Kozlowski, MD prescribe under Medicare Part D?

In 2024, Conrad Kozlowski, MD had 98 Medicare Part D claims for 37 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. 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.