Doctor Profile

Gastroenterology · Gastroenterology

Thammasak Mingbunjerdsuk

MD · Gastroenterology
1615 DELAWARE ST
Longview, WA 98632
✓ Accepts Medicare 🎓 12 Years Practicing
457
Medicare Patients / yr
9
Procedures Billed
12
Years Practicing
1
Hospital Affiliations
Data Source: Identity from NPPES (2026). Procedure & patient volume from CMS Medicare Provider Utilization & Payment Data (2023). Hospital affiliations from CMS Physician Compare. We display publicly reported data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare, CMS, or Thammasak Mingbunjerdsuk's practice. This page displays publicly available CMS data to help you research Medicare providers. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.

Medicare Plans That Cover Dr. Mingbunjerdsuk

See which plans Dr. Mingbunjerdsuk accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Washington, the fastest way to find a Medicare plan that covers Dr. Mingbunjerdsuk is to compare every Medicare Advantage and Part D plan available near 98632, WA — the Gastroenterology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 98632, WA →

Or call the office at (360) 636-4814 to confirm acceptance directly.

What Dr. Mingbunjerdsuk Does

Dr. Mingbunjerdsuk served 457 Medicare patients across 494 services in the latest CMS reporting year. That's similar to the average Gastroenterology in Washington (463 patients across 285 doctors).

ProcedureServicesMedicare Patients
Established patient office or other outpatient visit, 40-54 minutes (99215)11586
Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)105103
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)7573
Biopsy of large bowel using a flexible endoscope (45380)4949
Established patient office or other outpatient visit, 30-39 minutes (99214)4441

How to read this: "Services" are the total times Dr. Mingbunjerdsuk billed Medicare for each procedure in the latest reporting year. "Patients" counts unique Medicare beneficiaries. Procedures are shown in plain English; the underlying HCPCS codes are available on request.

Hospital Affiliations

Dr. Mingbunjerdsuk is affiliated with 1 hospital in the CMS Physician Compare database. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Peacehealth St John Medical Center

Longview, WA
★★★☆☆ 3/5 CMS Rating

Practice Location & Telehealth Readiness

Dr. Mingbunjerdsuk practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Dr. Mingbunjerdsuk offers telehealth — broadband availability at your home matters for virtual visits.

Address: 1615 DELAWARE ST, Longview, WA 98632
Phone: (360) 636-4814

Area Safety Grade

D-

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

31 min

Average commute time in this zip · 91% of residents drive to work. Practical context for patients deciding whether to make the trip. See the full neighborhood profile at BestNeighborhood.org.

Telehealth Readiness

77.9564

Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.

Get directions on Google Maps →

Other Gastroenterology Doctors near 98632, WA

If Dr. Mingbunjerdsuk isn't accepting new patients or isn't in your plan's network, these are the closest gastroenterology doctors near 98632, WA:

DoctorSpecialtyMedicare Patients / yrDistance
Anuj V. SharmaGastroenterology4302.2 mi
Francisco M. ChanGastroenterology2.6 mi
Wei WangGastroenterology27121.3 mi
Erik J. VankleekGastroenterology31821.3 mi
Ronald J. LewGastroenterology24621.3 mi

View all gastroenterology doctors near 98632, WA →

How to Use This Information

Choosing a Medicare plan that covers Dr. Mingbunjerdsuk takes three steps:

Compare Medicare Plans near 98632, WA → All Doctors near 98632, WA

Thammasak Mingbunjerdsuk: Common Questions

Does Dr. Mingbunjerdsuk accept Medicare?
Yes. Dr. Mingbunjerdsuk is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Mingbunjerdsuk depends on that plan's provider network. Compare Medicare plans near 98632, WA →
Where is Dr. Mingbunjerdsuk's office?
Dr. Mingbunjerdsuk practices at 1615 DELAWARE ST, Longview, WA 98632. Phone: (360) 636-4814.
What Medicare plans does Dr. Mingbunjerdsuk accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (360) 636-4814 to confirm your specific plan is accepted, or compare all Medicare plans near 98632, WA to see available options.
Does Dr. Mingbunjerdsuk offer telehealth visits?
CMS does not currently list Dr. Mingbunjerdsuk as offering telehealth. Call the office at (360) 636-4814 to confirm whether virtual visits are available.
How experienced is Dr. Mingbunjerdsuk?
Dr. Mingbunjerdsuk graduated in 2014 and has been practicing for approximately 12 years. In the latest CMS reporting year, Dr. Mingbunjerdsuk treated 457 Medicare patients across 9 distinct procedure types.
How do I know if Dr. Mingbunjerdsuk is in-network for my Medicare plan?
Network status varies by plan. The best verification steps: (1) check your plan's provider directory at the carrier's website, (2) call the office at (360) 636-4814 and ask which plans they currently accept, and (3) call the number on the back of your Medicare card. Print our doctor questions checklist →

About the Reviewer

Wes Ward

Wes Ward

Founder & Data Lead

Wes Ward reviews all doctor profiles and methodology for data accuracy. Every Medicare provider page on this site — including the utilization statistics, hospital affiliations, and geocoded practice address — goes through his data-validation pipeline before publication. We display only publicly available CMS data; you never need to enter personal information to see any of it.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to healthcare transparency. He is also a co-founder of BestNeighborhood.org (neighborhood data), CrimeGrade.org (block-level safety analytics), and ISPReports.org (broadband availability for telehealth). Those sister sites power the location and telehealth-readiness context on this page.

View full profile →LinkedIn

Data sources: CMS NPPES (2026), CMS Medicare Provider Utilization & Payment Data (2023), CMS Physician Compare, CrimeGrade.org, BestNeighborhood.org, ISPReports.org. This page is for informational purposes only. Always verify coverage directly with the plan and practice. Read our full methodology →Privacy policy

Medicare Resources

Choosing the right Medicare plan involves more than just doctor coverage. These guides help you evaluate the full picture:

Medicare Plans for Conditions Treated by Gastroenterology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 98632, WA:

Does your Medicare plan cover Dr. Mingbunjerdsuk?

Compare Plans near 98632, WA →