NPPES file of Aug 9, 2026

Robert Brian Kohen, M.D.

Sports Medicine (Orthopaedic Surgery) Physician · Warren, MI

Robert Brian Kohen, M.D. is a sports medicine (orthopaedic surgery) physician with a practice address in Warren, Michigan, and NPI 1780809574, issued on Apr 16, 2007. Check the license (Michigan 4301085601, 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
1780809574
Name
Robert Brian Kohen
Credential
M.D.
Primary taxonomy
Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X
License number
4301085601 MI
Self-reported in NPPES; status is on the state search
Practice location
28800 Ryan RD, Warren, MI 48092
Phone
(586) 558-2870
Enumerated
Apr 16, 2007
Record last updated
Oct 24, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(586) 558-4651
Medicare enrollment
Enrolled (PECOS I20110809000228); may accept Medicare assignment
Medical or professional school
University Of Michigan Medical School, 2005
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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8 nearest sports medicine (orthopaedic surgery) physician records → All 58 in Michigan → Look up another NPI →

Also registered at 28800 Ryan RD

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

  1. Britta Anderson, D.O.Sports Medicine (Family Medicine) Physician1780704999
  2. Marsha Arthur, PAPhysician Assistant1588684229
  3. Kathryn Aurand, PA-CPhysician Assistant1801207907
  4. Mamoun Dabbagh, M.D.Psychiatry Physician1962552158
  5. Stephen Dewitt, MDInternal Medicine Physician1932279874
  6. Christina Faita, LMSW, MSW, BASocial Worker1922391275

Verify Robert Brian Kohen 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 4301085601    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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3.1 times the Medicare Part D claims of the average sports medicine (orthopaedic surgery) physician in 2024

906 Medicare Part D claims for 296 beneficiaries, against an average of 288 among the 2,562 providers of this specialty who prescribed in Part D. Brand-name drugs were 1% of claims. 636 claims were for opioids.

  1. Robert Kohen906
  2. Specialty average288

Most prescribed

  1. Oxycodone-Acetaminophen300 claims
  2. Tramadol Hcl273 claims
  3. Mupirocin102 claims
  4. Amoxicillin56 claims
  5. Hydrocodone-Acetaminophen52 claims
  6. Ondansetron Hcl22 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: $356.90

7 payments; by number, the most common kind was food and beverage; the largest payer was Zimmer Biomet Holdings, Inc. The 2,400 providers of this specialty with any payment received $19,779.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Kohen$357
  2. Specialty average$19,779

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. Dearborn Physical Therapy LtdDearborn, MI
  2. Henry Ford Semi Medical GroupMacomb, MI
  3. Michigan Healthcare Professionals PCMadison Heights, MI
  4. Premier Therapy Centers, IncWest Bloomfield, MI

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

Robert Brian Kohen among 58 sports medicine (orthopaedic surgery) physician records in Michigan

Robert Brian Kohen, M.D. is one of 58 sports medicine (orthopaedic surgery) physician records with a practice address in Michigan. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 43% newer
  • In a Medicare fileYes · 93% of these records are
  • In the CMS Doctors and Clinicians fileYes · 90% of these records are
  • Graduated2005 · median 2003 among the 52 with a school on file
  • Record last updated2011 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XX0005X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sports Medicine (Orthopaedic Surgery) Physician providers in Michigan

There are 58 sports medicine (orthopaedic surgery) physician records in Michigan.

All 58 in Michigan → Every provider in Warren → Sports Medicine (Orthopaedic Surgery) Physician nationwide →

The 8 sports medicine (orthopaedic surgery) physician records with the nearest ZIP codes

  1. Michael Walsh, MDWarren, MI 480921881822237
  2. Ronald Rook, D.O.Warren, MI 480931134111032
  3. John Ryan, M.D.Warren, MI 480931023000882
  4. Steven Plomaritis, D.O.Warren, MI 480881235121138
  5. Richard Perry, MDSaint Clair Shores, MI 480801467414052
  6. Matthew Hartwell, MDAnn Arbor, MI 481051275074619
  7. Justin Schupbach, MDAnn Arbor, MI 481051457961716
  8. Matthew Siskosky, M.D.Royal Oak, MI 480731528018678

Common questions

What is Robert Brian Kohen, M.D.'s NPI number?

Robert Brian Kohen, M.D.'s National Provider Identifier (NPI) is 1780809574, issued on Apr 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Robert Brian Kohen, M.D. located?

The NPPES record lists a practice address at 28800 Ryan RD, Warren, MI, 48092. Phone: (586) 558-2870. Providers update this record themselves, so call before visiting.

How can I verify Robert Brian Kohen, M.D.'s license?

NPPES lists Michigan license number 4301085601, 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 Robert Brian Kohen, M.D. prescribe under Medicare Part D?

In 2024, Robert Brian Kohen, M.D. had 906 Medicare Part D claims for 296 beneficiaries; the average among sports medicine (orthopaedic surgery) physician prescribers was 288. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.