Doctor profile · Federal record

Dr. Robert Kohen, M.D.

Sports Medicine (Orthopaedic Surgery) Physician (CMS: Orthopedic Surgery) · Student in an Organized Health Care Education/Training Program · Warren, MI

  • NPI 1780809574
  • 21 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
28800 Ryan RD, Suite 220
Warren, MI 480924272
(586) 558-2870
fax (586) 558-4651

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
October 24, 2011
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207XX0005X — NUCC code
State license (1)
Michigan #4301085601

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780809574. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
17,188
Distinct HCPCS
10
Medicare allowed
$651,770
HCPCS Description Services Patients Avg allowed
J7331 Hyaluronan or derivative, synojoynt, for intra-articular injection, 1 mg 9,362 109 $21
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 3,658 408 $1
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance 992 448 $121
99213 Established patient office or other outpatient visit, 20-29 minutes 778 440 $90
73564 X-ray of knee, 4 or more views 454 326 $43
73030 X-ray of shoulder, minimum of 2 views 279 211 $33
99204 New patient office or other outpatient visit, 45-59 minutes 244 244 $168
97750 Test or measurement for functional capacity, each 15 minutes 228 223 $33
72110 X-ray of lower and sacral spine, minimum of 4 views 207 196 $39
99214 Established patient office or other outpatient visit, 30-39 minutes 180 167 $128

In context: peer comparison

Among 2 peers in Warren Sports Medicine (Orthopaedic Surgery) Physician, average services per provider: 461. This provider delivers 37× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$357
Transactions
7
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Zimmer Biomet Holdings, INC. 1 $146.81
Stryker Corporation 1 $59.87
Smith+Nephew, INC. 1 $47.63
Orthofix Medical, INC. 2 $42.80
Pinnacle, INC 1 $39.04
DePuy Synthes Sales INC. 1 $20.75

By nature of payment

Food and Beverage
$357

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
684
Patients
496
Total drug cost
$4,083
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 221 153 $1,625
Tramadol Hcl Generic 207 139 $505
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 100 73 $930
Mupirocin Generic 98 90 $753
Amoxicillin Generic 45 41 $218
Ibuprofen Generic 13 0 $51

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Kohen's medical specialty?
Dr. Robert Kohen practices Sports Medicine (Orthopaedic Surgery) Physician in Warren, MI.
Where does Dr. Robert Kohen practice?
Dr. Robert Kohen practices at 28800 Ryan RD, Warren, MI 480924272. Office phone: 5865582870.
What is Dr. Robert Kohen's NPI?
Dr. Robert Kohen's National Provider Identifier (NPI) is 1780809574, issued by NPPES.
Does Dr. Robert Kohen accept Medicare assignment?
Dr. Robert Kohen does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Robert Kohen commonly perform?
Top Medicare-reported procedures in 2023: Hyaluronan or derivative, synojoynt, for intra-articular injection, 1 mg (HCPCS J7331); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Aspiration and/or injection of fluid large joint using ultrasound guidance (HCPCS 20611). Source: CMS Medicare Physician & Other Practitioners file.