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

Obstetrics/Gynecology

Thuytien T. Ly, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Thuytien T. Ly, MD (Obstetrics/Gynecology) is listed by Medicare at 1 hospital in Boston, MA. NPI 1467442764. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Thuytien T. Ly, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
32Years since medical school (graduated 1994)
Tufts University School Of MedicineMedical school
FemaleGender (as listed)
Massachusetts General Physicians Organization IncGroup practice (+1 more)

Quick answers

Which hospitals does Thuytien T. Ly work at?
Medicare's official clinician data lists Thuytien T. Ly at 1 hospital: Massachusetts General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Thuytien T. Ly see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Thuytien T. Ly's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Thuytien T. Ly accept Medicare assignment?
Yes. Medicare's clinician data says Thuytien T. Ly accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Thuytien T. Ly offer telehealth?
Medicare's clinician data says Thuytien T. Ly offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Thuytien T. Ly?
(617) 726-2000, as listed in official Medicare / NPI Registry data.
What is Thuytien T. Ly's NPI number?
1467442764. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Thuytien T. Ly works

Medicare's Facility Affiliation Data lists Thuytien T. Ly at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Thuytien T. Ly is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Thuytien T. Ly as a member of these groups (CMS data updated 2026-10-02).

  • Massachusetts General Physicians Organization Inc3,558 clinicians in the group
  • The General Hospital Corporation1,267 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Massachusetts →

Other OB-GYNs in Boston

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

All OB-GYNs in Boston →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year1994
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1467442764
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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