Doctor profile · Federal record

Dr. Uri Avissar, MD

Gastroenterology Physician (CMS: Gastroenterology) · Transplant Hepatology Physician · Internal Medicine Physician · Boston, MA

  • NPI 1134296064
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
725 Albany St # 6B
Boston, MA 021183549
(617) 638-6525
fax (617) 638-7448
Mailing address
801 Albany St Fl G
Boston, MA 021193791

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
December 21, 2020
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Massachusetts #237346
Medicaid
MA #110882040A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134296064. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
138
Distinct HCPCS
7
Medicare allowed
$22,795
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 27 27 $268
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 23 23 $184
99214 Established patient office or other outpatient visit, 30-39 minutes 21 17 $104
45380 Biopsy of large bowel using a flexible endoscope 20 19 $154
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 19 19 $122
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 16 16 $118
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 12 12 $154

In context: peer comparison

Among 78 peers in Boston Gastroenterology Physician, average services per provider: 56. This provider delivers 2.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
221
Patients
140
Total drug cost
$16,242
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 93 87 $1,849
Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 40 37 $840
Omeprazole Generic 39 16 $1,114
Entecavir Generic 21 0 $1,496
Linzess (Linaclotide) Brand 17 0 $9,988
Azathioprine Generic 11 0 $954

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Uri Avissar's medical specialty?
Dr. Uri Avissar practices Gastroenterology Physician in Boston, MA.
Where does Dr. Uri Avissar practice?
Dr. Uri Avissar practices at 725 Albany St # 6B, Boston, MA 021183549. Office phone: 6176386525.
What is Dr. Uri Avissar's NPI?
Dr. Uri Avissar's National Provider Identifier (NPI) is 1134296064, issued by NPPES.
Does Dr. Uri Avissar accept Medicare assignment?
Yes. Dr. Uri Avissar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Uri Avissar commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.