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Physical Medicine and Rehabilitation

Chiawen L. Liang, MD

Sees patients in Wellesley, MA · Massachusetts

Summary

Dr. Chiawen L. Liang, MD is a rehabilitation doctor at 332 Washington St, Suite 260, Wellesley, MA 02481. Phone: (781) 705-2480. Accepts Medicare assignment. In 2024, Chiawen L. Liang had 377 Original Medicare patients and 1,238 services. NPI 1891945366. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Rehabilitation doctor (Medicare lists Physical Medicine and Rehabilitation)
  • Address: 332 Washington St, Suite 260, Wellesley, MA 02481 · Directions
  • Phone: (781) 705‑2480
  • Medicare: Accepts Medicare assignment
  • Medical school: New York University School Of Medicine · graduated 2005 (21 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Chiawen L. 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 Chiawen L. Liang accept Medicare assignment?
Yes. Medicare's clinician data says Chiawen L. 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 Chiawen L. Liang see?
In 2024, CMS data shows 377 Original Medicare patients and 1,238 services for Chiawen L. Liang. This counts Original Medicare only and measures volume, not quality.
What is Chiawen L. Liang's NPI number?
1891945366. 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 Chiawen L. 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 patients377
Services billed to Medicare1,238
Different services or procedures14
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Needle measurement of electrical activity in arm or leg muscles, complete study (95886)571 services
  2. Nerve conduction, 9-10 studies (95911)146 services
  3. Nerve conduction, 13 or more studies (95913)115 services
  4. Nerve conduction, 7-8 studies (95910)40 services
  5. Nerve conduction, 5-6 studies (95909)39 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 cholesterol75%
  • Arthritis75%
  • High blood pressure66%
  • Anxiety32%
  • Depression26%
  • Ischemic heart disease24%

Practice locations

Addresses where Chiawen L. Liang is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Physical Medicine and Rehabilitation doctors in Massachusetts →

Other rehabilitation doctors in Wellesley

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

All rehabilitation doctors in Wellesley →

Clinician information

CredentialMD
Medical schoolNew York University School Of Medicine
Graduation year2005 (21 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891945366
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians