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General Practice

Alexander Antoniou, MD

Sees patients in Baltimore, MD · Maryland

Summary

Alexander Antoniou, MD (General Practice) is enrolled with Medicare at 1 practice location in Baltimore, MD. NPI 1588922116. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Alexander Antoniou, 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

General PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
14Years since medical school (graduated 2012)
Tufts University School Of MedicineMedical school
MaleGender (as listed)
Turnout Medical Group PAGroup practice

Quick answers

Where does Alexander Antoniou see patients?
Medicare's clinician data lists 1 practice location in Baltimore, MD. Call before your visit to confirm the address.
What is Alexander Antoniou's specialty?
Medicare lists General Practice as the primary specialty.
Does Alexander Antoniou accept Medicare assignment?
Yes. Medicare's clinician data says Alexander Antoniou 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 Alexander Antoniou offer telehealth?
Medicare's clinician data says Alexander Antoniou offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Alexander Antoniou?
(617) 335-4002, as listed in official Medicare / NPI Registry data.
What is Alexander Antoniou's NPI number?
1588922116. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Alexander Antoniou is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Turnout Medical Group PA2 clinicians in the group

Specialties

Find other General Practice doctors in Maryland →

Other general practitioners in Maryland

Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.

All general practitioners in Maryland →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year2012
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1588922116
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians