Antoine Sassine

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

4301518035 Issued in MI

Practice address

300 Lafayette Ave SE Ste 3000
Grand Rapids, MI 49503-4692

Phone

(616) 685-6919

NPI assigned

Jul 1, 2020

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

Medicare fee-for-service enrollment

Enrolled in MI

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

Internal Medicine

Education

Central Michigan College of Medicine, 2023

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Interoperability endpoints

• Direct secure messaging: asassine2739681@direct.trinity-health.org

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

{
    "created_epoch": "1593561600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779753600000",
    "number": "1700403268",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 776974",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606776974",
            "telephone_number": "616-685-1808",
            "fax_number": "312-957-2939"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 LAFAYETTE AVE SE STE 3000",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495034692",
            "telephone_number": "616-685-6919"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "200 Jefferson Ave SE",
            "address_purpose": "LOCATION",
            "city": "Grand Rapids",
            "state": "MI",
            "postal_code": "495034502",
            "country_code": "US",
            "telephone_number": "616-685-5576",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SASSINE",
        "first_name": "ANTOINE",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-07-01",
        "last_updated": "2026-05-26",
        "certification_date": "2026-05-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4301518035",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sajjad R Sarwar, MD
• Taviana Sas
• Brian Sass, DC, DACNB, FABBIR
• Christopher Michael Sass, DC, DACNB, FABBIR
• Jason Robert Sassack, DDS
• Samantha Satawa, PHARMD
• Gayathri Sathiyamoorthy, M.D
• Vamsish Satoor
• Saba Sattar, MBBS
• Kristin Satterly, DC

• Internal Medicine Physician in Grand Rapids, MI
• Providers in Grand Rapids, MI by specialty
• Internal Medicine Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 26, 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.