Doctor profile · Federal record

Dr. Karrar Al Gburi

Internal Medicine Physician (CMS: Internal Medicine) · Worcester, MA

  • NPI 1720583933
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N
Worcester, MA 016550002
(508) 334-8515
fax (508) 334-6490
Additional location
119 Belmont St
Worcester, MA 016052903
Additional location
157 Union St
Marlborough, MA 017521228
(508) 486-5678
fax (508) 486-5677
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
August 23, 2021
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #287744

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720583933. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
654
Distinct HCPCS
5
Medicare allowed
$72,622
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 287 119 $78
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 153 152 $170
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 136 75 $117
99239 Hospital discharge day management, more than 30 minutes 59 58 $113
99238 Hospital discharge day management, 30 minutes or less 19 19 $80

In context: peer comparison

Among 114 peers in Worcester Internal Medicine Physician, average services per provider: 102. This provider delivers 6.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
42
Patients
30
Total drug cost
$420
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 15 15 $131
Ondansetron Hcl Generic 15 15 $101
Pantoprazole Sodium Generic 12 0 $188

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karrar Al Gburi's medical specialty?
Dr. Karrar Al Gburi practices Internal Medicine Physician in Worcester, MA.
Where does Dr. Karrar Al Gburi practice?
Dr. Karrar Al Gburi practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5083348515.
What is Dr. Karrar Al Gburi's NPI?
Dr. Karrar Al Gburi's National Provider Identifier (NPI) is 1720583933, issued by NPPES.
Does Dr. Karrar Al Gburi accept Medicare assignment?
Yes. Dr. Karrar Al Gburi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karrar Al Gburi commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.