Doctor profile · Federal record

Dr. William Brown

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Berkeley Heights, NJ

  • NPI 1821012196
  • Accepts Medicare
  • 27 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Diamond Hill RD
Berkeley Heights, NJ 079222104
(908) 273-4300
Mailing address
305 2Nd Ave Ste 3
New York, NY 100032746

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
September 6, 2017
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
New Jersey #25MA08370200 · New York #236148
Medicaid
NY #02742854

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821012196. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,682
Distinct HCPCS
10
Medicare allowed
$178,933
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 247 177 $143
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 149 134 $56
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 149 103 $85
45380 Biopsy of large bowel using a flexible endoscope 115 113 $140
J3489 Injection, zoledronic acid, 1 mg 90 18 $10
36415 Insertion of needle into vein for collection of blood sample 86 60 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 86 80 $98
43259 Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 77 65 $174
80053 Blood test, comprehensive group of blood chemicals 74 56 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 63 46 $8

In context: peer comparison

Among 6 peers in this city , average services per provider: 47. This provider delivers 36× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$299
Transactions
11
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $124.99
Salix Pharmaceuticals, a division of Bausch Health US, LLC 6 $97.44
Ferring Pharmaceuticals Inc. 2 $33.58
Micro-tech Endoscopy USA, Inc. 1 $24.18
Takeda Pharmaceuticals U.S.A., Inc. 1 $18.45

By nature of payment

Food and Beverage
$299

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
555
Patients
281
Total drug cost
$104,635
Drug Type Claims Patients Total cost
Omeprazole Generic 249 144 $4,596
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 88 73 $6,837
Famotidine Generic 70 28 $1,412
Sucralfate Generic 41 20 $10,658
Mesalamine Generic 37 0 $21,743
Pantoprazole Sodium Generic 32 16 $634
Mercaptopurine Generic 14 0 $1,545
Creon (Lipase/Protease/Amylase) Brand 12 0 $54,552
Hydrocortisone Generic 12 0 $2,658

Frequently asked questions

Auto-generated from federal data
What is Dr. William Brown's medical specialty?
Dr. William Brown practices Gastroenterology Physician in Berkeley Heights, NJ.
Where does Dr. William Brown practice?
Dr. William Brown practices at 1 Diamond Hill RD, Berkeley Heights, NJ 079222104. Office phone: 9082734300.
What is Dr. William Brown's NPI?
Dr. William Brown's National Provider Identifier (NPI) is 1821012196, issued by NPPES.
Does Dr. William Brown accept Medicare assignment?
Yes. Dr. William Brown accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Brown commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.