Doctor profile · Federal record

Dr. Adam Barrison, MD

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

  • NPI 1669473328
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Diamond Hill RD, Summit Medical Group
Berkeley Heights, NJ 079222104
(908) 273-4300
fax (908) 673-7140

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
March 25, 2008
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
New Jersey #MA71875

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669473328. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
339
Distinct HCPCS
10
Medicare allowed
$51,652
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 91 91 $267
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 48 48 $193
45380 Biopsy of large bowel using a flexible endoscope 47 47 $59
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 35 35 $68
99214 Established patient office or other outpatient visit, 30-39 minutes 30 27 $141
36415 Insertion of needle into vein for collection of blood sample 27 13 $8
99203 New patient office or other outpatient visit, 30-44 minutes 18 18 $122
99213 Established patient office or other outpatient visit, 20-29 minutes 18 18 $100
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 13 13 $182
99204 New patient office or other outpatient visit, 45-59 minutes 12 12 $179

In context: peer comparison

Among 6 peers in this city , average services per provider: 47. This provider delivers 7.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
360
Patients
80
Total drug cost
$186,437
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 142 46 $1,948
Omeprazole Generic 70 23 $733
Mesalamine Generic 54 11 $44,530
Esomeprazole Magnesium Generic 19 0 $876
Ursodiol Generic 19 0 $3,539
Linzess (Linaclotide) Brand 17 0 $13,740
Humira(Cf) Pen (Adalimumab) Brand 14 0 $104,670
Viread (Tenofovir Disoproxil Fumarate) Brand 13 0 $15,650
Tenofovir Disoproxil Fumarate Generic 12 0 $751

Frequently asked questions

Auto-generated from federal data
What is Dr. Adam Barrison's medical specialty?
Dr. Adam Barrison practices Gastroenterology Physician in Berkeley Heights, NJ.
Where does Dr. Adam Barrison practice?
Dr. Adam Barrison practices at 1 Diamond Hill RD, Berkeley Heights, NJ 079222104. Office phone: 9082734300.
What is Dr. Adam Barrison's NPI?
Dr. Adam Barrison's National Provider Identifier (NPI) is 1669473328, issued by NPPES.
Does Dr. Adam Barrison accept Medicare assignment?
Yes. Dr. Adam Barrison accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Adam Barrison commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Colorectal cancer screening; colonoscopy on individual at high risk (HCPCS G0105); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.