Doctor profile · Federal record

Dr. Pornchai Leelasinjaroen, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Yakima, WA

  • NPI 1336403062
  • Accepts Medicare
  • MIPS 80.0 / 100 · 2023
  • 18 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3909 Creekside Loop Ste 120
Yakima, WA 98902
(509) 248-6616
fax (509) 225-2708
Mailing address
3800 Summitview Ave
Yakima, WA 989022715

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
July 1, 2020
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Washington #MD60246817 · Michigan #4301100064

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336403062. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
634
Distinct HCPCS
10
Medicare allowed
$103,334
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 188 188 $250
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 141 133 $106
45380 Biopsy of large bowel using a flexible endoscope 79 79 $121
99213 Established patient office or other outpatient visit, 20-29 minutes 62 47 $90
99204 New patient office or other outpatient visit, 45-59 minutes 42 42 $167
99214 Established patient office or other outpatient visit, 30-39 minutes 37 30 $129
45378 Diagnostic exam of large bowel using a flexible endoscope 28 27 $167
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 24 24 $164
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 17 17 $171
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 16 16 $182

In context: peer comparison

Among 4 peers in this city , average services per provider: 51. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,686
Transactions
78
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 14 $331.55
Takeda Pharmaceuticals U.S.A., Inc. 16 $326.16
Janssen Biotech, Inc. 9 $317.54
ABBVIE INC. 16 $261.96
Salix Pharmaceuticals, a division of Bausch Health US, LLC 13 $169.03
Braintree Laboratories, Inc. 2 $106.86
GENZYME CORPORATION 2 $62.94
Daiichi Sankyo Inc. 1 $27.41
Regeneron Healthcare Solutions, Inc. 1 $22.76
CapsoVision, Inc. 1 $19.00
Phathom Pharmaceuticals, Inc. 1 $13.86
PFIZER INC. 1 $13.85
Intercept Pharmaceuticals, Inc. 1 $13.47

By nature of payment

Food and Beverage
$1,686

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
230
Patients
105
Total drug cost
$648,348
Drug Type Claims Patients Total cost
Omeprazole Generic 76 35 $1,292
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 29 29 $698
Pantoprazole Sodium Generic 27 16 $555
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 25 25 $1,924
Humira(Cf) Pen (Adalimumab) Brand 15 0 $117,325
Creon (Lipase/Protease/Amylase) Brand 14 0 $9,085
Azathioprine Generic 11 0 $1,003
Linzess (Linaclotide) Brand 11 0 $6,124
Mesalamine Generic 11 0 $12,346
Stelara (Ustekinumab) Brand 11 0 $497,995

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Pornchai Leelasinjaroen's medical specialty?
Dr. Pornchai Leelasinjaroen practices Gastroenterology Physician in Yakima, WA.
Where does Dr. Pornchai Leelasinjaroen practice?
Dr. Pornchai Leelasinjaroen practices at 3909 Creekside Loop Ste 120, Yakima, WA 98902. Office phone: 5092486616.
What is Dr. Pornchai Leelasinjaroen's NPI?
Dr. Pornchai Leelasinjaroen's National Provider Identifier (NPI) is 1336403062, issued by NPPES.
Does Dr. Pornchai Leelasinjaroen accept Medicare assignment?
Yes. Dr. Pornchai Leelasinjaroen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Pornchai Leelasinjaroen commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.