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

Obstetrics/Gynecology

Janet Li, MD

Works at hospitals in Milton, MA · Newton, MA · Massachusetts

Summary

Janet Li, MD (Obstetrics/Gynecology) is listed by Medicare at 2 hospitals in Milton, MA and Newton, MA. NPI 1003882564. 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 Janet Li, 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
29Years since medical school (graduated 1997)
FemaleGender (as listed)
Atrius Health IncGroup practice

Quick answers

Which hospitals does Janet Li work at?
Medicare's official clinician data lists Janet Li at 2 hospitals: Beth Israel Deaconess Hospital - Milton and Newton-Wellesley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Janet Li see patients?
Medicare's clinician data lists 4 practice locations, including Needham, MA, Boston, MA and Chestnut Hill, MA. Call before your visit to confirm the address.
What is Janet Li's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Janet Li accept Medicare assignment?
Yes. Medicare's clinician data says Janet Li 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 Janet Li offer telehealth?
Medicare's clinician data says Janet Li offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Janet Li?
(781) 726-4800, as listed in official Medicare / NPI Registry data.
What is Janet Li's NPI number?
1003882564. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Janet Li works

Medicare's Facility Affiliation Data lists Janet Li 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 Janet Li is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Janet Li as a member of this group (CMS data updated 2026-10-02).

  • Atrius Health Inc1,222 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Massachusetts →

Other OB-GYNs in Needham

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

All OB-GYNs in Needham →

Clinician information

CredentialMD
Graduation year1997
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1003882564
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