State Specialty Directory

Gastroenterology in WA

Federal CMS data for 214 gastroenterology providers across WA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.

214
Providers
Median industry payments
$804
214
Gastroenterology Providers
in WA
$804
Median Industry Payments
per provider (2018–2024)
335
Median Medicare Services
fee-for-service claims
How to read this directory: Providers are listed by Medicare service volume, which reflects only Medicare fee-for-service patients (typically 65+). This does not represent total practice volume. Industry payments span multiple years and payment types — they are legal and do not indicate wrongdoing. Gastroenterology includes multiple subspecialties with different practice patterns. Learn more →
Showing top 50 of 214 providers, ranked by Medicare service volume. Search by city to narrow results.

Gastroenterology Providers — WA

NPPES · Open Payments · Medicare
Provider City Medicare Volume Beneficiaries* Top Procedure Industry Payments Payment Type Coverage
BOONPONGMANEE, SOMPRAK M.D. Kennewick 29,886 1,658 Vedolizumab infusion (Entyvio) $758 (2018-2024) Food & Beverage (94%) Very High
TRIKALSARANSUKH, SITTILERK M.D. Kennewick 12,041 594 Vedolizumab infusion (Entyvio) $8,176 (2018-2024) Food & Beverage (94%) Very High
DURNFORD, ROBERT M.D. Spokane 3,010 651 Infliximab infusion (Remicade) $2,928 (2018-2024) Food & Beverage (100%) Very High
HABIBI, HAMID M.D Spokane 2,892 499 Infliximab infusion (Remicade) $3,933 (2018-2024) Food & Beverage (65%) Very High
HAN, KYUNG M.D. Seattle 2,324 584 Contrast dye for imaging (iodine-based) $47 (2023-2023) Food & Beverage (100%) Very High
HABIB, SHAHID MD Seattle 1,989 1,218 Office visit, established patient, complex (40-54 min) $13,192 (2018-2024) Travel (62%) Very High
IRANI, SHAYAN MD Seattle 1,967 1,413 Hospital follow-up visit, moderate complexity $57,150 (2019-2024) Consulting (46%) Very High
WOLSLEGEL, COLIN D.O. Port Angeles 1,765 1,723 Colon polyp removal with endoscopic snare $2,887 (2018-2023) Travel (62%) Very High
SIDDAIAH, NARENDRA MD Silverdale 1,622 1,429 Tissue pathology examination, moderate complexity $3,753 (2018-2024) Food & Beverage (60%) Very High
ZENG, NINGXIN MD Kennewick 1,619 1,519 Colonoscopy with biopsy $3,548 (2018-2024) Food & Beverage (100%) Very High
ALEBOUYEH, NOUREDIN M.D. Seattle 1,435 375 Infliximab infusion (Remicade) $125 (2023-2023) Food & Beverage (100%) Very High
HEAP, DARIEN M.D. Olympia 1,429 1,271 Colon polyp removal with endoscopic snare $14 (2023-2023) Food & Beverage (100%) Very High
LARSEN, MURRAY MD Clarkston 1,375 1,180 Moderate sedation during GI endoscopy $13 (2018-2018) Food & Beverage (100%) Very High
HOLDERMAN, WILLIAM M.D. Tacoma 1,335 642 Chronic care management, additional 20 min/month $25,114 (2018-2024) Consulting (68%) Very High
HO, WEN-HUAN MD Bellingham 1,312 1,248 Colonoscopy with biopsy $4,431 (2018-2024) Travel (62%) Very High
VILLA GUILLEN, NICOLAS M.D. Spokane 1,289 1,231 Colon polyp removal with endoscopic snare $12,591 (2018-2024) Food & Beverage (100%) Very High
SUGAR, JASON MD Tacoma 1,223 557 Chronic care management, additional 20 min/month $4,218 (2018-2024) Travel (68%) Very High
MCCABE, MARSHALL MD Olympia 1,217 1,049 Office visit, established patient (30-39 min) $189 (2018-2023) Food & Beverage (100%) Very High
AKHTAR, EHSAAN MD Kirkland 1,185 1,048 Office visit, established patient (30-39 min) $7,415 (2018-2024) Food & Beverage (90%) Very High
LIANG, DAVID M.D. Edmonds 1,175 1,055 Upper GI endoscopy with biopsy $1,873 (2018-2024) Travel (48%) Very High
WOHLMAN, ROBERT MD Bellevue 1,125 581 Chronic care management, additional 20 min/month $21,789 (2018-2024) Consulting (69%) Very High
PANDOLFI, GONZALO MD Yakima 1,076 1,004 Upper GI endoscopy with biopsy $4,330 (2018-2024) Consulting (57%) Very High
SELINGER, ROANNE MD Bellevue 1,067 734 Chronic care management, additional 20 min/month $102 (2019-2019) Food & Beverage (100%) Very High
REES-LUI, GEORGIA M.D. Bellevue 1,065 664 Chronic care management, additional 20 min/month $9,233 (2018-2024) Food & Beverage (97%) Very High
KING, JANET MD Everett 993 777 Tissue pathology examination, moderate complexity $265 (2018-2019) Food & Beverage (100%) Very High
JAIN, SHAILY MD Federal Way 987 525 Chronic care management, additional 20 min/month $14 (2023-2023) Food & Beverage (100%) Very High
LEE, STANLEY M.D. Seattle 986 880 Blood draw (venipuncture) $975 (2018-2024) Food & Beverage (100%) Very High
LAWSON, ROBERT M.D. Spokane 979 929 Colon polyp removal with endoscopic snare $2,107 (2018-2024) Food & Beverage (100%) Very High
MOUSSAN, OUSSAMA M.D. Tacoma 978 719 Chronic care management, additional 20 min/month $561 (2018-2024) Food & Beverage (95%) Very High
WITTE, TODD M.D. Bellingham 977 758 Tissue pathology examination, moderate complexity $210 (2018-2021) Education (57%) Very High
KRISHNAMOORTHI, RAJESH MD Seattle 939 772 Hospital follow-up visit, moderate complexity $484 (2018-2024) Food & Beverage (100%) Very High
PALMER, ROBERT DO Everett 937 789 Tissue pathology examination, moderate complexity $146 (2018-2018) Food & Beverage (100%) Very High
BROWN, GARRICK M.D. Tacoma 925 642 Chronic care management, additional 20 min/month $2,382 (2018-2024) Food & Beverage (98%) Very High
SIDDIQUE, ASMA Seattle 898 624 Blood draw (venipuncture) $428 (2018-2024) Food & Beverage (100%) Very High
LAM, SING M.D. Seattle 864 401 Office visit, established patient (30-39 min) $920 (2018-2024) Travel (70%) Very High
PABBY, AJAY MD Spokane 832 810 Colon polyp removal with endoscopic snare $5,696 (2018-2024) Food & Beverage (100%) Very High
MANAM, RAJESH MD Puyallup 810 514 Chronic care management, additional 20 min/month $1,403 (2018-2024) Food & Beverage (100%) Very High
TONG, STACY M.D. Moses Lake 794 755 Moderate sedation during GI endoscopy $799 (2018-2021) Food & Beverage (100%) Very High
ROBINSON O'NEILL, DARBY Everett 790 536 Tissue pathology examination, moderate complexity $146 (2018-2018) Food & Beverage (100%) Very High
LAI, EDWIN M.D. Bellevue 781 412 Chronic care management, additional 20 min/month $10,390 (2018-2024) Food & Beverage (99%) Very High
OJEABURU, JEREMIAH M.D. Puyallup 769 593 Chronic care management, additional 20 min/month $176 (2021-2024) Food & Beverage (100%) Very High
SCHWARTZ, DARREN MD Tacoma 769 401 Chronic care management, additional 20 min/month $773 (2018-2024) Food & Beverage (71%) Very High
SUDDUTH, ROBERT M.D. Silverdale 749 736 Moderate sedation during GI endoscopy $816 (2018-2024) Food & Beverage (100%) Very High
MOHAN, VENKATACHALA MD Bellevue 745 499 Chronic care management, additional 20 min/month $646,165 (2018-2024) Consulting (80%) Very High
HAMES, CHARLES M.D. Walla Walla 737 693 Upper GI endoscopy with biopsy $138 (2018-2019) Food & Beverage (100%) Very High
AGRAWAL, SANJAY M.D. Tacoma 731 491 Chronic care management, additional 20 min/month $1,432 (2018-2024) Food & Beverage (98%) Very High
TSUCHIDA, AMY MD Tacoma 729 683 Office visit, established patient (30-39 min) $412 (2023-2024) Food & Beverage (100%) Very High
SIDEEG, ABDELHALEEM M.D Seattle 709 381 Hospital follow-up visit, moderate complexity $38 (2021-2022) Food & Beverage (100%) Very High
HUANG, LIN MD, PHD Tacoma 699 490 Chronic care management, additional 20 min/month $449 (2018-2024) Food & Beverage (100%) Very High
HASSIG, WALTER M.D. Federal Way 697 390 Chronic care management, additional 20 min/month $1,401 (2018-2024) Food & Beverage (100%) Very High
Note: Gastroenterology encompasses multiple subspecialties with different practice patterns. Differences in payment amounts and procedure volumes may reflect subspecialty focus rather than practice quality. Consider viewing individual profiles for full context.
Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Payments from industry are legal and do not indicate wrongdoing. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →