Doctor profile · Federal record

Dr. Sunguk Jang, MD

Gastroenterology Physician (CMS: Gastroenterology) · Cleveland, OH

  • NPI 1134140577
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9500 Euclid Ave
Cleveland, OH 441950001
(800) 223-2273
Mailing address
6000 W Creek RD, Suite 10
Independence, OH 441312139

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
June 13, 2011
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Ohio #35088015
Medicaid
OH #2672826

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134140577. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
251
Distinct HCPCS
10
Medicare allowed
$29,723
HCPCS Description Services Patients Avg allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 64 62 $89
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 31 29 $96
43237 Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth 26 26 $187
43238 Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope 22 22 $206
74328 Review by radiologist of image from tube placement into bile duct using an endoscope 22 16 $22
99213 Established patient office or other outpatient visit, 20-29 minutes 22 21 $62
45380 Biopsy of large bowel using a flexible endoscope 21 21 $131
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 16 16 $231
99203 New patient office or other outpatient visit, 30-44 minutes 15 15 $80
45378 Diagnostic exam of large bowel using a flexible endoscope 12 12 $177

In context: peer comparison

Among 44 peers in Cleveland Gastroenterology Physician, average services per provider: 35. This provider delivers 7.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$11,152
Transactions
27
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
US Endoscopy 2 $10,000.00
Boston Scientific Corporation 10 $369.17
Steris Corporation 4 $241.99
Fujifilm Healthcare Americas Corporation 1 $237.45
Braintree Laboratories, INC. 1 $143.95
Abbvie INC. 3 $51.05
Aimmune Therapeutics, INC. 2 $34.77
Genzyme Corporation 1 $23.40
Celgene Corporation 1 $18.35
Intercept Pharmaceuticals, INC. 1 $17.00
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $14.93

By nature of payment

Consulting Fee
$10,000
Food and Beverage
$1,152

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
50
Patients
0
Total drug cost
$1,361
Drug Type Claims Patients Total cost
Omeprazole Generic 20 0 $475
Pantoprazole Sodium Generic 17 0 $181
Esomeprazole Magnesium Generic 13 0 $705

Frequently asked questions

Auto-generated from federal data
What is Dr. Sunguk Jang's medical specialty?
Dr. Sunguk Jang practices Gastroenterology Physician in Cleveland, OH.
Where does Dr. Sunguk Jang practice?
Dr. Sunguk Jang practices at 9500 Euclid Ave, Cleveland, OH 441950001. Office phone: 8002232273.
What is Dr. Sunguk Jang's NPI?
Dr. Sunguk Jang's National Provider Identifier (NPI) is 1134140577, issued by NPPES.
Does Dr. Sunguk Jang accept Medicare assignment?
Yes. Dr. Sunguk Jang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sunguk Jang commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43235); Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth (HCPCS 43237). Source: CMS Medicare Physician & Other Practitioners file.