Osvaldo Castro Montalvo, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

16283 Issued in PR

Practice address

51 Calle Andres Garcia
Arecibo, PR 00612-4350

Phone

(787) 650-3522

Fax

(787) 879-4691

NPI assigned

Jul 20, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 1

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

Specialty

Family Practice

Education

Other, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1153353600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761868800000",
    "number": "1104846468",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "51 CALLE ANDRES GARCIA",
            "city": "ARECIBO",
            "state": "PR",
            "postal_code": "006124350",
            "telephone_number": "787-617-5951",
            "fax_number": "787-879-4691"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "51 CALLE ANDRES GARCIA",
            "city": "ARECIBO",
            "state": "PR",
            "postal_code": "006124350",
            "telephone_number": "787-650-3522",
            "fax_number": "787-879-4691"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASTRO MONTALVO",
        "first_name": "OSVALDO",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-07-20",
        "last_updated": "2025-10-31",
        "certification_date": "2025-10-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "PR",
            "license": "16283",
            "primary": true
        },
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "PR",
            "license": "16283",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TRIPLE S",
            "identifier": "23862 CA",
            "state": "PR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Hiram L Castejon
• Esther Veronica Castillo Lozano, PSYD
• Jeannette Castillo
• Maria V Castillo, PSYD
• Justiniano Castro - Montalvo, MD
• Joel Castro-Toledo
• Carmen Lydia Castro-Velez, M.D.
• Cavamed CSP
• CDT Doctores Montalvo LLC
• CDT Dr Jose Marrero LLC

• Family Medicine Physician in Arecibo, PR
• Providers in Arecibo, 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 Oct 31, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.