Hassan Issa Mahmud, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

23859 Issued in PR

Practice address

KM 8.3 , Calle 3 Avenida 65 de Infanteria
Carolina, PR 00984

Phone

(787) 757-1800

NPI assigned

May 1, 2022

Sex

Male

Sole proprietor

No

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 PR

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

Practice roles

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.

• Concilio de Salud Integral de Loiza, Inc.

  • Federally Qualified Health Center (FQHC)
  • Loiza, PR
  • NPI 1558664102

  Family Medicine

  Medicare reassignment NPD

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

{
    "created_epoch": "1651363200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745884800000",
    "number": "1679218069",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "60 CALLE MARCOS LOPEZ",
            "city": "VEGA BAJA",
            "state": "PR",
            "postal_code": "006935022",
            "telephone_number": "787-677-0032"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "KM 8.3 , CALLE 3 AVENIDA 65 DE INFANTERIA",
            "city": "CAROLINA",
            "state": "PR",
            "postal_code": "00984",
            "telephone_number": "787-757-1800"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "Urb. Lago Alto Calle Carite #130",
            "address_purpose": "LOCATION",
            "city": "Trujillo Alto",
            "state": "PR",
            "postal_code": "00976",
            "country_code": "US",
            "telephone_number": "787-737-2311",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "Carr 188",
            "address_purpose": "LOCATION",
            "city": "Loiza",
            "state": "PR",
            "postal_code": "007721850",
            "country_code": "US",
            "telephone_number": "787-876-7420 x248",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ISSA MAHMUD",
        "first_name": "HASSAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-05-01",
        "last_updated": "2025-04-29",
        "certification_date": "2025-04-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "PR",
            "license": "23859",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ivette N Irizarry
• Jesus Manuel Irizarry, MSPT
• Julian Alfonso Irizarry, M.D
• Isis Fine Vision Services Inc
• Isla Verde Health and Wellness Corp.
• J Restituyo-Rosario, LLC
• J-Point Internal Medicine Group PSC
• Eric Oscar Jackson-Rivera, B.A., C.P.S.
• Conchita Maria Jacobo Oyola, MD
• Ricardo F Jaen, DPM

• Family Medicine Physician in Carolina, PR
• Providers in Carolina, PR by specialty
• Family Medicine Physician in Puerto Rico

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 29, 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.