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

Internal Medicine

Ana Sofia Warner, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Ana Sofia Warner, MD (Internal Medicine) is listed by Medicare at 1 hospital in Boston, MA. NPI 1104356351. 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 Ana Sofia Warner, 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
9Years since medical school (graduated 2017)
Harvard Medical SchoolMedical school
FemaleGender (as listed)
Evans Medical Foundation IncGroup practice

Quick answers

Which hospitals does Ana Sofia Warner work at?
Medicare's official clinician data lists Ana Sofia Warner at 1 hospital: Boston Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ana Sofia Warner see patients?
Medicare's clinician data lists 3 practice locations, including Boston, MA. Call before your visit to confirm the address.
What is Ana Sofia Warner's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Ana Sofia Warner accept Medicare assignment?
Yes. Medicare's clinician data says Ana Sofia Warner 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 Ana Sofia Warner offer telehealth?
Medicare's clinician data says Ana Sofia Warner offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Ana Sofia Warner?
(617) 638-8000, as listed in official Medicare / NPI Registry data.
What is Ana Sofia Warner's NPI number?
1104356351. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ana Sofia Warner works

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

Group practices

Medicare enrollment lists Ana Sofia Warner as a member of this group (CMS data updated 2026-10-02).

  • Evans Medical Foundation Inc536 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 schoolHarvard Medical School
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1104356351
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