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

Cardiovascular Disease (Cardiology)

Leonard S. Lilly, MD

Works at hospitals in Jamaica Plain, MA · Boston, MA · Newton, MA … · Massachusetts

Summary

Leonard S. Lilly, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 4 hospitals in Jamaica Plain, MA, Boston, MA and Newton, MA and other places. NPI 1396735528. 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 Leonard S. Lilly, 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

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
YesOffers telehealth
49Years since medical school (graduated 1977)
Albany Medical College Of Union UniversityMedical school
MaleGender (as listed)
Brigham and Womens Physicians Organization IncGroup practice

Quick answers

Which hospitals does Leonard S. Lilly work at?
Medicare's official clinician data lists Leonard S. Lilly at 4 hospitals: Brigham and Women Faulkner Hospital, Brigham and Women's Hospital, Newton-Wellesley Hospital and North Shore Medical Center -. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Leonard S. Lilly see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Leonard S. Lilly's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does Leonard S. Lilly accept Medicare assignment?
Yes. Medicare's clinician data says Leonard S. Lilly 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 Leonard S. Lilly offer telehealth?
Medicare's clinician data says Leonard S. Lilly offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Leonard S. Lilly?
(857) 307-4100, as listed in official Medicare / NPI Registry data.
What is Leonard S. Lilly's NPI number?
1396735528. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Leonard S. Lilly works

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

Group practices

Medicare enrollment lists Leonard S. Lilly as a member of this group (CMS data updated 2026-10-02).

  • Brigham and Womens Physicians Organization Inc2,994 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Massachusetts →

Other cardiologists in Boston

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

All cardiologists in Boston →

Clinician information

CredentialMD
Medical schoolAlbany Medical College Of Union University
Graduation year1977
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1396735528
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