Michael Eugene Callahan, PA-C

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

3240 Issued in GA

Practice address

1670 Clairmont Rd
Atlanta VA Medical Center
Decatur, GA 30033-4004

Phone

(404) 321-6111

NPI assigned

Jun 28, 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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Physician Assistant

State licenses

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

{
    "created_epoch": "1151452800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1467480673",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3220 FRANCINE DR",
            "city": "DECATUR",
            "state": "GA",
            "postal_code": "300333358"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1670 CLAIRMONT RD",
            "address_2": "ATLANTA VA MEDICAL CENTER",
            "city": "DECATUR",
            "state": "GA",
            "postal_code": "300334004",
            "telephone_number": "404-321-6111"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CALLAHAN",
        "first_name": "MICHAEL",
        "middle_name": "EUGENE",
        "name_prefix": "Mr.",
        "credential": "PA-C",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-06-28",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "GA",
            "license": "3240",
            "primary": true
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "GA",
            "license": "3240",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Charelle Lenita Caise, APRN, AGPCNP-BC
• Claudia Calderon, LPC
• Louis Aaron Calderon, M.D.
• Brentia J Caldwell, ED.S., LPC
• Evelyn Calhoun, RN
• Tonya Callahan
• Tamora A Callands, PHD
• Christine Callaway, MD
• Juaquita D Callaway, MD
• Lindsey Callaway, MS, OTR/L

• Gastroenterology Physician in Decatur, GA
• Providers in Decatur, GA by specialty
• Gastroenterology Physician in Georgia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.