Osman Adalberto Alvarado Portillo, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A208416 Issued in CA

Practice address

824 E Carson St Ste 104
Carson, CA 90745-2262

Phone

(310) 233-3203

NPI assigned

Jun 19, 2023

Last updated

Jun 18, 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

Not listed in the public Medicare enrollment file

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.

Specialty

Internal Medicine

Education

Other, 2014

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Interoperability endpoints

• Direct secure messaging: osman.alvarado.1@18107.direct.athenahealth.com

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

{
    "created_epoch": "1687132800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781740800000",
    "number": "1881379899",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "824 E CARSON ST STE 104",
            "city": "CARSON",
            "state": "CA",
            "postal_code": "907452262",
            "telephone_number": "310-233-3203"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4422 3rd Ave",
            "address_purpose": "LOCATION",
            "city": "Bronx",
            "state": "NY",
            "postal_code": "104572594",
            "country_code": "US",
            "telephone_number": "718-960-6202 x6211",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALVARADO PORTILLO",
        "first_name": "OSMAN",
        "middle_name": "ADALBERTO",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-06-19",
        "last_updated": "2026-06-18",
        "certification_date": "2026-06-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A208416",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michelle Allard
• Lynn-Ti Jade Allen, LVN
• Altheaz LLC (Compassionate Partners in Care Hospice)
• Maria Cecilia Aluning, DDS
• Roseline Osana Aluyi
• Jenna Ashlin Alvarenga, PT, DPT
• Susana Alvarez
• Elizabeth Amador
• Monique Desirae Amador, PA-C
• Nkiru Christiana Amaku, MSN,PHN,RN,PMHNP-BC

• Internal Medicine Physician in Carson, CA
• Providers in Carson, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 18, 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.
• 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.