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Gastroenterology

Alina B. Wong, MD

Works at hospitals in Edmonds, WA · Issaquah, WA · Seattle, WA · Washington

Summary

Dr. Alina B. Wong, MD is a gastroenterologist at 1101 Madison St, Suite 301, Seattle, WA 98104. Phone: (206) 505-1300. Accepts Medicare assignment. In 2024, Alina B. Wong had 181 Original Medicare patients and 301 services. NPI 1023436938. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Alina B. Wong, 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 Alina B. Wong accept Medicare assignment?
Yes. Medicare's clinician data says Alina B. Wong 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 Alina B. Wong see?
In 2024, CMS data shows 181 Original Medicare patients and 301 services for Alina B. Wong. This counts Original Medicare only and measures volume, not quality.
What is Alina B. Wong's NPI number?
1023436938. 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 Alina B. Wong, 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 patients181
Services billed to Medicare301
Different services or procedures26
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)94 services
  2. Biopsy of large bowel using a flexible endoscope (45380)68 services
  3. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)30 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)26 services
  5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)13 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 cholesterol67%
  • High blood pressure54%
  • Arthritis44%
  • Ischemic heart disease22%
  • Anxiety22%
  • Diabetes20%

Hospitals where Alina B. Wong works

Medicare's Facility Affiliation Data lists Alina B. Wong 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.

  • Swedish Edmonds HospitalEdmonds, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500026
  • Swedish IssaquahIssaquah, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500152
  • Swedish Medical CenterSeattle, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500027

Practice locations

Addresses where Alina B. Wong is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alina B. Wong as a member of these groups (CMS data updated October 2, 2026).

  • Swedish Health Services1,037 clinicians in the group
  • Pacmed Clinics209 clinicians in the group

Specialties

Find other Gastroenterology doctors in Washington →

Other gastroenterologists in Seattle

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

All gastroenterologists in Seattle →

Other clinicians in Swedish Health Services

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

Clinician information

CredentialMD
Graduation year2014 (12 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1023436938
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