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Anesthesiology

Methapan Arunakul, MD

Works at hospitals in Tualatin, OR · Oregon

Summary

Dr. Methapan Arunakul, MD is an anesthesiologist at 2211 NE 139th St, Vancouver, WA 98686. Phone: (360) 487-1000. Accepts Medicare assignment. In 2024, Methapan Arunakul had 191 Original Medicare patients and 230 services. NPI 1578756789. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 2211 NE 139th St, Vancouver, WA 98686 · Directions (1 more location)
  • Phone: (360) 487‑1000
  • Medicare: Accepts Medicare assignment
  • Hospital: Legacy Meridian Park Medical Center
  • Group practice: Oregon Anesthesiology Group PC
  • Medical school: University Of Kansas School Of Med (kc/wich/sal) · graduated 2004 (22 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Methapan Arunakul, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Methapan Arunakul accept Medicare assignment?
Yes. Medicare's clinician data says Methapan Arunakul accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Methapan Arunakul see?
In 2024, CMS data shows 191 Original Medicare patients and 230 services for Methapan Arunakul. This counts Original Medicare only and measures volume, not quality.
What is Methapan Arunakul's NPI number?
1578756789. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Methapan Arunakul, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients191
Services billed to Medicare230
Different services or procedures46
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)31 services
  2. Anesthesia for other procedure on large bowel using an endoscope (00811)31 services
  3. Anesthesia for procedure on small and large bowel using an endoscope (00813)17 services
  4. Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance (64488)15 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol70%
  • Arthritis51%
  • Diabetes29%
  • Atrial fibrillation28%
  • Depression27%

Hospitals where Methapan Arunakul works

Medicare's Facility Affiliation Data lists Methapan Arunakul at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Methapan Arunakul is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Methapan Arunakul as a member of this group (CMS data updated October 2, 2026).

  • Oregon Anesthesiology Group PC232 clinicians in the group

Specialties

Find other Anesthesiology doctors in Washington →

Other anesthesiologists in Vancouver

Clinicians with the same Medicare primary specialty in Vancouver, WA — not a recommendation.

All anesthesiologists in Vancouver →

Other clinicians in Oregon Anesthesiology Group PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Kansas School Of Med (kc/wich/sal)
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578756789
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians