Gregory Norman Messner, D.O.

Primary specialty

Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianTaxonomy code 208G00000X

License

K5159 Issued in TX

Practice address

4708 Dexter Dr Ste 350
Plano, TX 75093-5288

Phone

(469) 750-8041

Fax

(469) 750-3057

NPI assigned

Jun 30, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 4

Electronic endpoints 3

Medicare fee-for-service enrollment

Enrolled in TX

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Thoracic SurgeryAlso: Emergency Medicine, Vascular Surgery

Education

Other, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Concord Medical Group PLLCGroup PAC ID 0446296818, 189 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Limestone Medical Center Hospital, Groesbeck, TX, CCN 451303

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Doctor of Medicine

State licenses

Practice roles

Locations (25 of 31)

Interoperability endpoints

• Direct secure messaging: gregory.messner.1@16739.direct.athenahealth.com
• Direct secure messaging: gmessner355509@ahs.direct-ci.com
• Direct secure messaging: dmcgmessn@yourcarecommunity.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Concord Medical Group PLLC

  • Emergency Medicine Physician
  • Lubbock, TX
  • NPI 1083630610

  Single Specialty

  Medicare reassignment Care Compare group NPD
• Doctor Greg Messner PLLC

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Irving, TX
  • NPI 1275084618

  Single Specialty

  Medicare reassignment NPD Authorized official
• Concord Medical Group of Texas PLLC

  • Emergency Medicine Physician
  • Lubbock, TX
  • NPI 1750790762

  Single Specialty

  Medicare reassignment NPD
• Nirp Beaumont, PLLC

  • Interventional Cardiology Physician
  • Beaumont, TX
  • NPI 1609392430

  Single Specialty

  Medicare reassignment NPD
• Nirp Corpus Christi PLLC

  • Interventional Cardiology Physician
  • Corpus Christi, TX
  • NPI 1619475761

  Single Specialty

  Medicare reassignment NPD
• Nirp Dallas-Fort Worth PLLC

  • Interventional Cardiology Physician
  • Dallas, TX
  • NPI 1992260277

  Single Specialty

  Medicare reassignment NPD
• Nirp Laredo PLLC

  • Interventional Cardiology Physician
  • Laredo, TX
  • NPI 1063977346

  Single Specialty

  Medicare reassignment NPD
• Nirp Pasadena, PLLC

  • Interventional Cardiology Physician
  • Pasadena, TX
  • NPI 1912366097

  Single Specialty

  Medicare reassignment NPD
• Nirp Rio Grande Valley PLLC

  • Interventional Cardiology Physician
  • Edinburg, TX
  • NPI 1164920211

  Single Specialty

  Medicare reassignment NPD
• Nirp Sugar Land PLLC

  • Interventional Cardiology Physician
  • Sugar Land, TX
  • NPI 1174077598

  Single Specialty

  Medicare reassignment NPD
• Nirp Victoria PLLC

  • Interventional Cardiology Physician
  • Victoria, TX
  • NPI 1407354699

  Single Specialty

  Medicare reassignment NPD
• Nirp Woodlands PLLC

  • Interventional Cardiology Physician
  • Conroe, TX
  • NPI 1346705639

  Single Specialty

  Medicare reassignment NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• South Limestone Hospital District

  • Critical Access Hospital
  • Groesbeck, TX
  • NPI 1861487779
  Care Compare affiliation

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

{
    "created_epoch": "1151625600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766361600000",
    "number": "1376572867",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6717 COLUMBINE WAY",
            "city": "PLANO",
            "state": "TX",
            "postal_code": "750936347",
            "telephone_number": "469-750-8041",
            "fax_number": "469-750-3057"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4708 DEXTER DR STE 350",
            "city": "PLANO",
            "state": "TX",
            "postal_code": "750935288",
            "telephone_number": "469-750-8041",
            "fax_number": "469-750-3057"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3600 Conflans Rd Ste 103",
            "address_purpose": "LOCATION",
            "city": "Irving",
            "state": "TX",
            "postal_code": "750616324",
            "country_code": "US",
            "telephone_number": "469-750-8041",
            "fax_number": "469-750-3057",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1810 Murchison Dr Ste 104",
            "address_purpose": "LOCATION",
            "city": "El Paso",
            "state": "TX",
            "postal_code": "799022906",
            "country_code": "US",
            "telephone_number": "281-888-8999",
            "fax_number": "281-305-4054",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2270 Matlock Rd Ste 104",
            "address_purpose": "LOCATION",
            "city": "Mansfield",
            "state": "TX",
            "postal_code": "760633710",
            "country_code": "US",
            "telephone_number": "281-888-8999",
            "fax_number": "281-305-4054",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3319 Unicorn Lake Blvd Ste 111",
            "address_purpose": "LOCATION",
            "city": "Denton",
            "state": "TX",
            "postal_code": "762100121",
            "country_code": "US",
            "telephone_number": "281-888-8999",
            "fax_number": "281-305-4054",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1924 Forest Ridge Dr Ste 300",
            "address_purpose": "LOCATION",
            "city": "Bedford",
            "state": "TX",
            "postal_code": "760218227",
            "country_code": "US",
            "telephone_number": "281-888-8999",
            "fax_number": "281-305-4054",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MESSNER",
        "first_name": "GREGORY",
        "middle_name": "NORMAN",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-30",
        "last_updated": "2025-12-22",
        "certification_date": "2025-12-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "K5159",
            "primary": false
        },
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "TX",
            "license": "K5159",
            "primary": false
        },
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "TX",
            "license": "K5159",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "8U9393",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "149924601",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE PIN",
            "identifier": "P00715572",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL LICENSE",
            "identifier": "K5159",
            "state": "TX"
        }
    ],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "ECW",
            "affiliation": "N",
            "address_1": "3600 Conflans Rd Ste 103",
            "city": "Irving",
            "state": "TX",
            "country_code": "US",
            "postal_code": "750616324",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "eCW",
            "affiliation": "N",
            "endpointDescription": "EHR",
            "address_1": "4708 Dexter Dr Ste 350",
            "city": "Plano",
            "state": "TX",
            "country_code": "US",
            "postal_code": "750935288",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "www.messnervascular.om",
            "affiliation": "N",
            "endpointDescription": "website",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "email",
            "address_1": "4708 Dexter Dr Ste 350",
            "city": "Plano",
            "state": "TX",
            "country_code": "US",
            "postal_code": "750935288",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Alana Merrick, FNP-BC
• Amy Nicole Merritt, FNP
• Michelle Messer, PHARMD
• Oria Messina, SLP
• Julia Mary Messineo
• Jamie Ann Metcalf-Kelly, M.D.
• Chasity Metcalf
• Metcare Homehealth Services LLC
• Methodist-Cdi
• Metro Ear Nose and Throat

• Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Plano, TX
• Providers in Plano, TX by specialty
• Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 22, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.