Doctor profile · Federal record

Dr. William Berg, MD

Urology Physician (CMS: Urology) · Urology Physician · Student in an Organized Health Care Education/Training Program · Stony Brook, NY

  • NPI 1184068520
  • 13 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
101 Nicolls Road, Hsc T9-040
Stony Brook, NY 11794
(631) 444-1910
Additional location
Stony Brook Medicine, Hsc 19-030
Stony Brook, NY 117948191
(631) 444-1791
Additional location
2 Dudley St
Providence, RI 029053236
(401) 444-0710
Mailing address
Po Box 1559
Stony Brook, NY 117900989

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
April 10, 2022
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
208800000X — NUCC code
State licenses (2)
New York #298949 · Rhode Island #MD16713

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184068520. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
761
Distinct HCPCS
10
Medicare allowed
$102,211
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 269 201 $107
99214 Established patient office or other outpatient visit, 30-39 minutes 248 184 $150
99204 New patient office or other outpatient visit, 45-59 minutes 48 48 $195
52000 Diagnostic exam of bladder and urethra using an endoscope 36 36 $295
54235 Injection procedure to cause erection 25 24 $110
51798 Ultrasound measurement of bladder capacity after voiding 24 22 $14
99442 Telephone medical discussion with physician, 11-20 minutes 19 16 $107
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 18 18 $197
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 17 16 $139
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 16 14 $87

In context: peer comparison

Among 2 peers in Stony Brook Urology Physician, average services per provider: 400. This provider delivers 1.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,420
Transactions
38
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 4 $291.65
Tolmar, INC. 7 $255.46
Coloplast Corp 2 $190.74
Teleflex LLC 1 $166.35
Endo Pharmaceuticals INC. 14 $163.14
Boston Scientific Corporation 2 $143.99
Antares Pharma, INC. 4 $121.98
Endo USA, INC. 3 $68.85
Bayer Healthcare Pharmaceuticals INC. 1 $18.33

By nature of payment

Food and Beverage
$1,420

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
142
Patients
46
Total drug cost
$12,342
Drug Type Claims Patients Total cost
Finasteride Generic 44 19 $777
Tamsulosin Hcl Generic 29 16 $461
Myrbetriq (Mirabegron) Brand 17 0 $9,183
Alfuzosin Hcl ER (Alfuzosin Hcl) Brand 15 0 $160
Testosterone Cypionate Generic 15 0 $789
Potassium Citrate ER (Potassium Citrate) Brand 11 0 $948
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 11 11 $23

Frequently asked questions

Auto-generated from federal data
What is Dr. William Berg's medical specialty?
Dr. William Berg practices Urology Physician in Stony Brook, NY.
Where does Dr. William Berg practice?
Dr. William Berg practices at 101 Nicolls Road, Stony Brook, NY 11794. Office phone: 6314441910.
What is Dr. William Berg's NPI?
Dr. William Berg's National Provider Identifier (NPI) is 1184068520, issued by NPPES.
Does Dr. William Berg accept Medicare assignment?
Dr. William Berg does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. William Berg commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.