Maria Sinis Contos, D.M.D.

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

License

019028502 Issued in IL

Practice address

6428 N California Ave
Chicago, IL 60645-5209

Phone

(773) 973-0531

Fax

(773) 262-9850

NPI assigned

Sep 28, 2010

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other names 1

• Dr. Maria Sinis Former name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1285632000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787875200000",
    "number": "1992014716",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6428 N CALIFORNIA AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606455209",
            "telephone_number": "773-973-0531",
            "fax_number": "773-262-9850"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6428 N CALIFORNIA AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606455209",
            "telephone_number": "773-973-0531",
            "fax_number": "773-262-9850"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CONTOS",
        "first_name": "MARIA",
        "middle_name": "SINIS",
        "name_prefix": "Dr.",
        "credential": "D.M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-09-28",
        "last_updated": "2026-08-28",
        "certification_date": "2026-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "FL",
            "license": "S520540826110",
            "primary": false
        },
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "IL",
            "license": "019028502",
            "primary": true
        },
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "IL",
            "license": "019028502",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARIA",
            "last_name": "SINIS",
            "prefix": "DR.",
            "credential": "DMD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Betty Raye Contorer
• Sarah L Contorer, LCSW
• Leesa Contorino, PSY.D.
• Contos Smile Center, LTD.
• Aristides P Contos, DDS
• Peter A. Contos, D.D.S.
• Contract Nursing LLC
• Contrast Counseling PLLC
• Pamela Virginia Contreras Chavez, MD
• Camila Sofia Contreras Rojas, M.D.

• General Practice Dentistry in Chicago, IL
• Providers in Chicago, IL by specialty
• General Practice Dentistry in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.