Calvin C Chiu, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

Practice address

2413 Broadway St
Mount Vernon, IL 62864-2917

Phone

(618) 244-6170

Fax

(618) 244-7445

NPI assigned

Jul 27, 2005

Reactivated

Mar 27, 2006

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

Other identifiers 2

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1122422400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1972503423",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2413 BROADWAY ST",
            "city": "MOUNT VERNON",
            "state": "IL",
            "postal_code": "628642917",
            "telephone_number": "618-244-6170",
            "fax_number": "618-244-7445"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2413 BROADWAY ST",
            "city": "MOUNT VERNON",
            "state": "IL",
            "postal_code": "628642917",
            "telephone_number": "618-244-6170",
            "fax_number": "618-244-7445"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHIU",
        "first_name": "CALVIN",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-27",
        "last_updated": "2026-07-13",
        "deactivation_date": "2006-03-21",
        "reactivation_date": "2006-03-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTHLINK",
            "identifier": "113672",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TRICARE",
            "identifier": "L013912",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Ismat Cheema, DO
• Henry H Chen, M.D.
• Cheryl Emmons MDSC
• Megan Sarah Chillson, OTR/L
• Chiropractic Wellness Center of Mt Vernon, LLC.
• Choices Counseling, Inc.
• James C Chow, M.D.
• Christian Counseling and Family Services
• Christian Social Services of Illinois
• Christopher Greater Area Rural Health Planning Corporation

• Obstetrics & Gynecology Physician in Mount Vernon, IL
• Providers in Mount Vernon, IL by specialty
• Obstetrics & Gynecology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.