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Internal Medicine

Diana C. Lemly, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Diana C. Lemly, MD (Internal Medicine) is listed by Medicare at 1 hospital in Boston, MA. NPI 1366601726. 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 Diana C. Lemly, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
18Years since medical school (graduated 2008)
Vanderbilt University School Of MedicineMedical school
FemaleGender (as listed)
The General Hospital CorporationGroup practice

Quick answers

Which hospitals does Diana C. Lemly work at?
Medicare's official clinician data lists Diana C. Lemly at 1 hospital: Massachusetts General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Diana C. Lemly see patients?
Medicare's clinician data lists 2 practice locations, including Boston, MA. Call before your visit to confirm the address.
What is Diana C. Lemly's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Pediatric Medicine.
Does Diana C. Lemly accept Medicare assignment?
Yes. Medicare's clinician data says Diana C. Lemly 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 Diana C. Lemly offer telehealth?
Medicare's clinician data says Diana C. Lemly offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Diana C. Lemly?
(617) 267-7171, as listed in official Medicare / NPI Registry data.
What is Diana C. Lemly's NPI number?
1366601726. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Diana C. Lemly works

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

Group practices

Medicare enrollment lists Diana C. Lemly as a member of this group (CMS data updated 2026-10-02).

  • The General Hospital Corporation1,267 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 →

Clinician information

CredentialMD
Medical schoolVanderbilt University School Of Medicine
Graduation year2008
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1366601726
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