Doctor profile · Federal record

Dr. Sang Kim, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Bellevue, WA

  • NPI 1225070170
  • Accepts Medicare
  • 36 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1135 116Th Ave Ne, Suite 560
Bellevue, WA 980044623
(425) 467-0150
fax (425) 467-0599
Additional location
1010 Three Springs Blvd Ste 270
Durango, CO 813018296
(970) 764-3800
Mailing address
Po Box 84088
Seattle, WA 981248488

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
March 21, 2023
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Washington #MD00030024 · Colorado #CDR.0002582

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225070170. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
653
Distinct HCPCS
10
Medicare allowed
$66,729
HCPCS Description Services Patients Avg allowed
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 162 17 $52
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 98 17 $68
45380 Biopsy of large bowel using a flexible endoscope 79 79 $100
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 65 64 $94
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 56 55 $263
99213 Established patient office or other outpatient visit, 20-29 minutes 54 48 $90
99214 Established patient office or other outpatient visit, 30-39 minutes 36 32 $129
99203 New patient office or other outpatient visit, 30-44 minutes 30 30 $118
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $181
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 16 16 $135

In context: peer comparison

Among 8 peers in this city , average services per provider: 59. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,296
Transactions
42
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 7 $249.43
Phathom Pharmaceuticals, Inc. 7 $211.29
ABBVIE INC. 7 $201.14
GENZYME CORPORATION 3 $159.90
Gilead Sciences, Inc. 3 $84.98
Takeda Pharmaceuticals U.S.A., Inc. 3 $79.46
Regeneron Healthcare Solutions, Inc. 2 $61.90
QOL Medical, LLC 2 $50.03
Ipsen Biopharmaceuticals, Inc 2 $30.87
Lilly USA, LLC 1 $27.61
Madrigal Pharmaceuticals 1 $27.49
Ardelyx, Inc. 1 $26.91
Janssen Biotech, Inc. 1 $24.57
Celltrion USA Inc. 1 $23.27
Celgene Corporation 1 $22.67

By nature of payment

Food and Beverage
$1,296

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
817
Patients
319
Total drug cost
$153,731
Drug Type Claims Patients Total cost
Omeprazole Generic 299 127 $4,637
Pantoprazole Sodium Generic 201 65 $3,621
Famotidine Generic 116 44 $2,269
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 44 44 $817
Ursodiol Generic 22 0 $5,845
Esomeprazole Magnesium Generic 18 0 $2,105
Vemlidy (Tenofovir Alafenamide) Brand 17 0 $36,009
Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 16 16 $280
Cholestyramine (Cholestyramine (With Sugar)) Brand 14 0 $1,216
Tenofovir Disoproxil Fumarate Generic 13 0 $1,534

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sang Kim's medical specialty?
Dr. Sang Kim practices Gastroenterology Physician in Bellevue, WA.
Where does Dr. Sang Kim practice?
Dr. Sang Kim practices at 1135 116Th Ave Ne, Bellevue, WA 980044623. Office phone: 4254670150.
What is Dr. Sang Kim's NPI?
Dr. Sang Kim's National Provider Identifier (NPI) is 1225070170, issued by NPPES.
Does Dr. Sang Kim accept Medicare assignment?
Yes. Dr. Sang Kim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sang Kim commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (HCPCS 99439); Chronic care management services (HCPCS 99490); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.