NPPES file of Aug 9, 2026

Gregory Norman Messner, D.O.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Plano, TX

Gregory Norman Messner, D.O. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Plano, Texas, and NPI 1376572867, issued on Jun 30, 2006. Check the license (Texas K5159, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1376572867
Name
Gregory Norman Messner
Credential
D.O.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
K5159 TX
Self-reported in NPPES; status is on the state search
Practice location
4708 Dexter Dr Ste 350, Plano, TX 75093
Phone
(469) 750-8041
Enumerated
Jun 30, 2006
Record last updated
Dec 22, 2025
Fax
(469) 750-3057
Medicaid ID
149924601 TX
Medicare enrollment
Enrolled (PECOS I20050617000827); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Gregory Norman Messner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K5159
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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7.1 times the Medicare Part D claims of the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

719 Medicare Part D claims for 297 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 15 claims were for opioids.

  1. Gregory Messner719
  2. Specialty average101

Most prescribed

  1. Clopidogrel350 claims
  2. Xarelto72 claims
  3. Eliquis33 claims
  4. Ibuprofen30 claims
  5. Methylprednisolone19 claims
  6. Ondansetron Odt18 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $20,469.01

52 payments; by number, the most common kind was food and beverage; the largest payer was AngioDynamics, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Messner$20,469
  2. Specialty average$7,829

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Concord Medical Group PLLCHenrietta, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gregory Norman Messner among 484 thoracic surgery (cardiothoracic vascular surgery) physician records in Texas

Gregory Norman Messner, D.O. is one of 484 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Texas. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.

  • NPI issued2006 · 14% of these records are older, 45% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1995 · median 1996 among the 309 with a school on file
  • Record last updated2025 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Texas

There are 484 thoracic surgery (cardiothoracic vascular surgery) physician records in Texas.

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. William Brinkman, MDPlano, TX 750931902950983
  2. Eric Chang-Tung, M. D.Plano, TX 750931891748588
  3. John Dimaio, MDPlano, TX 750931124082904
  4. James Edgerton, M.D.Plano, TX 750931386632909
  5. Timothy George, MDPlano, TX 750931336340041
  6. Katherine Harrington, M.D.Plano, TX 750931538349360
  7. Kelley Hutcheson, M.D.Plano, TX 750931518162650
  8. Gary Jett, M.D.Plano, TX 750931184690810

Common questions

What is Gregory Norman Messner, D.O.'s NPI number?

Gregory Norman Messner, D.O.'s National Provider Identifier (NPI) is 1376572867, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Norman Messner, D.O. located?

The NPPES record lists a practice address at 4708 Dexter Dr Ste 350, Plano, TX, 75093. Phone: (469) 750-8041. Providers update this record themselves, so call before visiting.

How can I verify Gregory Norman Messner, D.O.'s license?

NPPES lists Texas license number K5159, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gregory Norman Messner, D.O. prescribe under Medicare Part D?

In 2024, Gregory Norman Messner, D.O. had 719 Medicare Part D claims for 297 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.