Alejandro Esteban Segarra Concepcion, MD

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

24227 Issued in PR

Practice address

Ave Americo Miranda Entrada Principal Centro Medico
San Juan, PR 00935-2640

Phone

(787) 754-8500

NPI assigned

Feb 5, 2020

Last updated

Aug 12, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in MA

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

Interoperability endpoints

• Direct secure messaging: asegarraconcepcion172979@direct.bmc.masshiway.net

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

• Boston Medical Center Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1346218294
  NPD

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

{
    "created_epoch": "1580860800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786492800000",
    "number": "1972135242",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "201 AVE ARTERIAL HOSTOS APT 802",
            "city": "SAN JUAN",
            "state": "PR",
            "postal_code": "009181408",
            "telephone_number": "787-450-2755"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "AVE AMERICO MIRANDA ENTRADA PRINCIPAL CENTRO MEDICO",
            "city": "SAN JUAN",
            "state": "PR",
            "postal_code": "009352640",
            "telephone_number": "787-754-8500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "72 E Concord St Rm 124",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021182640",
            "country_code": "US",
            "telephone_number": "617-414-5951",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SEGARRA CONCEPCION",
        "first_name": "ALEJANDRO",
        "middle_name": "ESTEBAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-02-05",
        "last_updated": "2026-08-12",
        "certification_date": "2026-08-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "294304",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "PR",
            "license": "24227",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cesar Javier Seda Rosado, MD
• Ambar Nicole Seda Velez, M.A.
• Felix J Seda-Diaz, MD
• Gretchen I Seda, PH.D.
• Mayra R Seda, MA
• Maria Sofia Segarra Juelle
• Brenda Marie Segarra Morales, OD
• Geida Luz Segarra, MD
• Lillian Yvonne Segarra, M.D.
• David Segovia, SRNA

• Cardiovascular Disease Physician in San Juan, PR
• Providers in San Juan, PR by specialty
• Cardiovascular Disease Physician in Puerto Rico

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 12, 2026; 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.