Robert B Guinan, M.D.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

E6392 Issued in TX

Practice address

6317 Harris Pkwy
Ste 300
Fort Worth, TX 76132-4258

Phone

(817) 361-6900

Fax

(817) 522-1968

NPI assigned

Nov 3, 2005

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 3

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1130976000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1932190352",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35629",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752350629",
            "telephone_number": "214-424-2200",
            "fax_number": "214-231-2159"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6317 HARRIS PKWY",
            "address_2": "STE 300",
            "city": "FORT WORTH",
            "state": "TX",
            "postal_code": "761324258",
            "telephone_number": "817-361-6900",
            "fax_number": "817-522-1968"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUINAN",
        "first_name": "ROBERT",
        "middle_name": "B",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-03",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "TX",
            "license": "E6392",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "4035058",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "85Y015",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "115027801",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Maria Del Carmen Guillen, PHARMD
• Guillermo Guardiola PLLC
• Guillermo Guardiola, Jr. Crna, PLLC
• Denika Guillory
• Sharon A Guillory, WIG STYLIST 1/5/03
• Guinn Healthcare Technologies, LLC
• Sharkara Guinn-Johnson
• Allyson Guinn
• James Anthony Guinn, MS, LPC
• Joseph E Guinn, MD

• Gastroenterology Physician in Fort Worth, TX
• Providers in Fort Worth, TX by specialty
• Gastroenterology Physician in Texas

• 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.