Alexander George Tzavaras, M.D.

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

248887-1 Issued in NY

Practice address

3860 E Tremont Ave
Bronx, NY 10465-2422

Phone

(718) 960-1592

NPI assigned

Jul 9, 2008

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H9678

Interoperability endpoints

• Direct secure messaging: atzavara@montefioredirect.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Montefiore Medical Center

  • Anesthesiology Physician
  • Bronx, NY
  • NPI 1063525152

  Pediatrics

  Medicare reassignment NPD
• Montefiore Medcial Center

  • Clinic/Center
  • Bronx, NY
  • NPI 1891327813
  NPD
• Montefiore Medical Center

  • Community/Retail Pharmacy
  • Bronx, NY
  • NPI 1194183715
  NPD
• Montefiore Medical Center

  • Internal Medicine Physician
  • Bronx, NY
  • NPI 1003990763

  Pediatrics

  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1215561600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762992000000",
    "number": "1104089085",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3860 E TREMONT AVE",
            "city": "BRONX",
            "state": "NY",
            "postal_code": "104652422",
            "telephone_number": "718-881-0100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3860 E TREMONT AVE",
            "city": "BRONX",
            "state": "NY",
            "postal_code": "104652422",
            "telephone_number": "718-960-1592"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TZAVARAS",
        "first_name": "ALEXANDER",
        "middle_name": "GEORGE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-07-09",
        "last_updated": "2025-11-13",
        "certification_date": "2025-11-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "NY",
            "license": "248887-1",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Angelica Maria Tyson
• Jada Amanda Tyson
• Nadine Tyson
• Samelle Tyson
• Evmorfia Tzanis, MA, CCC-A
• Ching-Fang Tzeng
• Ilana Tzur, OTR
• Tzvi Bar-David
• U & Me Transport Inc.
• U Can DO It With a Little Help LTD

• Pediatrics Physician in Bronx, NY
• Providers in Bronx, NY by specialty
• Pediatrics Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 13, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.