Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Shawn X. Liang, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Dr. Shawn X. Liang, MD is an internal medicine doctor at 330 Brookline Ave, Boston, MA 02215. Phone: (617) 754-8612. Accepts Medicare assignment. In 2024, Shawn X. Liang had 116 Original Medicare patients and 344 services. NPI 1750919833. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 330 Brookline Ave, Boston, MA 02215 · Directions
  • Phone: (617) 754‑8612
  • Medicare: Accepts Medicare assignment
  • Hospital: Beth Israel Deaconess Medical Center
  • Group practice: Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc
  • Medical school: graduated 2020 (6 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Shawn X. Liang, 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 Shawn X. Liang accept Medicare assignment?
Yes. Medicare's clinician data says Shawn X. Liang 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 Shawn X. Liang see?
In 2024, CMS data shows 116 Original Medicare patients and 344 services for Shawn X. Liang. This counts Original Medicare only and measures volume, not quality.
What is Shawn X. Liang's NPI number?
1750919833. 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 Shawn X. Liang, 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 patients116
Services billed to Medicare344
Different services or procedures7
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)241 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)37 services
  3. Hospital discharge day management, more than 30 minutes (99239)27 services
  4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)13 services
  5. Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes (99236)12 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 cholesterol75%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)62%
  • Anxiety47%
  • Chronic kidney disease41%
  • Arthritis39%

Hospitals where Shawn X. Liang works

Medicare's Facility Affiliation Data lists Shawn X. Liang 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 Shawn X. Liang is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Shawn X. Liang as a member of this group (CMS data updated October 2, 2026).

  • Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc1,740 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Boston

Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.

All internal medicine doctors in Boston →

Other clinicians in Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc

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

Clinician information

CredentialMD
Graduation year2020 (6 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1750919833
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