Mark D Gretsinger, M.D.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

35051729G Issued in OH

Practice address

3439 Granite Cir
Toledo, OH 43617-1161

Phone

(419) 843-7996

Fax

(419) 841-7725

NPI assigned

Oct 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 5

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": "1128297600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1335744000000",
    "number": "1407843758",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3439 GRANITE CIR",
            "city": "TOLEDO",
            "state": "OH",
            "postal_code": "436171161",
            "telephone_number": "419-843-7996",
            "fax_number": "419-841-7725"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3439 GRANITE CIR",
            "city": "TOLEDO",
            "state": "OH",
            "postal_code": "436171161",
            "telephone_number": "419-843-7996",
            "fax_number": "419-841-7725"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRETSINGER",
        "first_name": "MARK",
        "middle_name": "D",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-03",
        "last_updated": "2012-04-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "OH",
            "license": "35051729G",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM",
            "identifier": "000000581578",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0753868",
            "state": "OH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "4095519",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P00659823",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PARAMOUNT",
            "identifier": "00633",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Antony Greiss, DMD
• Erinn Gresham
• Joann Gresham
• Brandy Anne Marie Gresock, LPN
• Elaina Grether
• Harsharn Grewal, M.D.
• Leah Gribbin
• Stephen Grider, DO
• Deidra R Grier
• Mary Grier, CDCA

• Gastroenterology Physician in Toledo, OH
• Providers in Toledo, OH by specialty
• Gastroenterology Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 30, 2012; 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.