Doctor profile · Federal record

Dr. Stephen Cohen, DO.

Nephrology Physician (CMS: Nephrology) · Nephrology Physician · Trenton, NJ

  • NPI 1659301166
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
40 Fuld St, Ste 401
Trenton, NJ 086385247
(609) 599-1004
fax (609) 599-3611

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
September 21, 2010
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State licenses (2)
New Jersey #MD066248 · New Jersey #MD66248
Medicaid
NJ #9038001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659301166. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
781
Distinct HCPCS
7
Medicare allowed
$150,598
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 260 95 $83
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 252 48 $373
99214 Established patient office or other outpatient visit, 30-39 minutes 118 66 $113
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 65 11 $52
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 32 19 $312
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 32 22 $136
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 22 19 $181

In context: peer comparison

Among 4 peers in Trenton Nephrology Physician, average services per provider: 126. This provider delivers 6.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$373
Transactions
27
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Fresenius USA Marketing, INC. 16 $181.85
Ardelyx, INC. 5 $84.43
Otsuka America Pharmaceutical, INC. 2 $37.72
Vifor Pharma, INC. 1 $19.21
Daiichi Sankyo INC. 1 $17.24
Calliditas Therapeutics US INC. 1 $16.89
GlaxoSmithKline, LLC. 1 $15.36

By nature of payment

Food and Beverage
$373

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
825
Patients
211
Total drug cost
$255,583
Drug Type Claims Patients Total cost
Calcitriol Generic 134 42 $6,176
Sevelamer Carbonate Generic 97 20 $19,835
Amlodipine Besylate Generic 82 19 $653
Furosemide Generic 65 25 $555
Losartan Potassium Generic 63 19 $1,091
Irbesartan Generic 61 13 $2,797
Ramipril Generic 61 17 $487
Doxercalciferol Generic 46 12 $55,661
Midodrine Hcl Generic 40 11 $1,017
Tramadol Hcl Generic 38 21 $72

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Cohen's medical specialty?
Dr. Stephen Cohen practices Nephrology Physician in Trenton, NJ.
Where does Dr. Stephen Cohen practice?
Dr. Stephen Cohen practices at 40 Fuld St, Trenton, NJ 086385247. Office phone: 6095991004.
What is Dr. Stephen Cohen's NPI?
Dr. Stephen Cohen's National Provider Identifier (NPI) is 1659301166, issued by NPPES.
Does Dr. Stephen Cohen accept Medicare assignment?
Yes. Dr. Stephen Cohen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Cohen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.