Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Dr. Gregory Norman Messner , DO

Thoracic Surgery (Cardiothoracic Vascular Surgery) • Plano, TX

Active NPI 1376572867 Individual Practitioner Male Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

4708 Dexter Dr Ste 350
Plano, TX 750935288

Call 4697508041 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

4708 Dexter Dr Ste 350

Plano, TX 750935288

Telephone 4697508041
Fax 4697503057
Organization at the Same NPPES Address or Phone
Doctor Greg Messner Pllc Facility NPI 1275084618

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

NPPES lists 5 distinct additional practice-address records in Bedford, TX; Denton, TX; El Paso, TX and 2 more. See the list

Source: CMS NPPES NPI Registry, practice location records; release date unavailable.

CMS Doctors and Clinicians lists 1 group name: Concord Medical Group Pllc. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Graduation Year

1995

Medicare patients

257 people with Original Medicare in 2024

Different Original Medicare patients in 2024; counts below 11 are hidden; this does not show availability or quality.

Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.

Medicare-allowed amount

About $1,291,106 in 2024

The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.

What this does not show: Medicare-allowed amount

This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.

Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.

Paid by Medicare

About $1,033,261 in 2024

The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.

What this does not show: Paid by Medicare

This is not the clinician's income and not a measure of quality.

Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.

30-day fills

978 standardized 30-day fills in 2024

CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.

What this does not show: 30-day fills

It is not a count of patients and not a measure of quality.

Part D drug cost

$76,763 in 2024

The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.

What this does not show: Part D drug cost

A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.

Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024.

Open Payments general payments, program year 2025

All general payments: $718.85 across 20 records.

By nature of payment

  • Food and Beverage: $718.85 across 20 records.

Reporting-company totals (3 largest of 6)

  • BIOTRONIK INC.: $344.60 across 11 records.
  • Bard Peripheral Vascular, Inc.: $229.39 across 4 records.
  • Philips North America LLC: $74.71 across 2 records.

A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.

See the full table

Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).

Guide: How to read an Open Payments record

Years since graduation

31 years (graduated 1995)

CMS Doctors and Clinicians data list 1995 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2006

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

Telehealth (some services)

Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.

What this does not show: Telehealth (some services)

It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Dr. Messner has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Dr. Messner as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Plano and Texas

Billing and prescribing volume is not a quality rating.

Medicare Part B services

More Medicare Part B services than 95% of clinicians listed under Thoracic Surgery (Cardiothoracic Vascular Surgery) in Plano, TX (2024, 15 clinicians with data). Median for this group: 234. Middle half: 91 to 279.

More Medicare Part B services than 95% of clinicians listed under Thoracic Surgery (Cardiothoracic Vascular Surgery) in Texas (2024, 259 clinicians with data). Median for this group: 135. Middle half: 54 to 263.

Medicare-allowed amount

A higher Medicare-allowed amount than 95% of clinicians listed under Thoracic Surgery (Cardiothoracic Vascular Surgery) in Plano, TX (2024, 15 clinicians with data). Median for this group: $97,984. Middle half: $40,142 to $182,286.

A higher Medicare-allowed amount than 95% of clinicians listed under Thoracic Surgery (Cardiothoracic Vascular Surgery) in Texas (2024, 259 clinicians with data). Median for this group: $45,347. Middle half: $16,334 to $91,650.

Paid by Medicare

A higher Medicare payment amount than 95% of clinicians listed under Thoracic Surgery (Cardiothoracic Vascular Surgery) in Plano, TX (2024, 15 clinicians with data). Median for this group: $79,103. Middle half: $31,426 to $144,837.

A higher Medicare payment amount than 95% of clinicians listed under Thoracic Surgery (Cardiothoracic Vascular Surgery) in Texas (2024, 259 clinicians with data). Median for this group: $35,999. Middle half: $12,680 to $72,578.

Medicare Part D prescriptions

More Part D prescriptions than 95% of clinicians listed under Thoracic Surgery (Cardiothoracic Vascular Surgery) in Texas (2024, 115 clinicians with data). Median for this group: 62. Middle half: 25 to 161.

Too few clinicians listed under Thoracic Surgery (Cardiothoracic Vascular Surgery) in Plano have Medicare Part D data for 2024 to compare.

Part D drug cost

A higher Part D drug cost than 95% of clinicians listed under Thoracic Surgery (Cardiothoracic Vascular Surgery) in Texas (2024, 115 clinicians with data). Median for this group: $544. Middle half: $176 to $2,745.

Too few clinicians listed under Thoracic Surgery (Cardiothoracic Vascular Surgery) in Plano have Medicare Part D data for 2024 to compare.

21 active clinicians are listed under Thoracic Surgery (Cardiothoracic Vascular Surgery) with a practice address in Plano, TX (484 in Texas).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Plano

52.4% of these 21 clinicians have the CMS telehealth indicator.

76.2% of these 21 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo · Report an error.

Pharma & Medical Device Financial Disclosures

Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments

Open Payments · Program Year 2025
Disclosure Year:

Program year 2025 (payments made January 1 – December 31, 2025): 20 records totaling $718.85.

Manufacturer Payment Nature Product Type Amount ($)
Bard Peripheral Vascular, Inc.
Food and Beverage
In-kind items and services
Venovo General $190.32
BIOTRONIK INC.
Food and Beverage
In-kind items and services
Pulsar-18 T3 General $106.01
Philips North America LLC
Food and Beverage
Cash or cash equivalent
IV Other General $59.03
BIOTRONIK INC.
Food and Beverage
In-kind items and services
Pulsar-18 T3 General $45.43
BIOTRONIK INC.
Food and Beverage
In-kind items and services
Pulsar-18 T3 General $33.18
BIOTRONIK INC.
Food and Beverage
In-kind items and services
Passeo-18 General $33.09
BIOTRONIK INC.
Food and Beverage
In-kind items and services
Pulsar-18 T3 General $30.43
Boston Scientific Corporation
Food and Beverage
In-kind items and services
Varithena Administration Pack General $24.52
BIOTRONIK INC.
Food and Beverage
In-kind items and services
Pulsar-18 T3 General $23.05
GlaxoSmithKline, LLC.
Food and Beverage
In-kind items and services
AREXVY General $22.95
Teleflex LLC
Food and Beverage
In-kind items and services
ASTRON General $22.68
BIOTRONIK INC.
Food and Beverage
In-kind items and services
— General $21.53
Bard Peripheral Vascular, Inc.
Food and Beverage
In-kind items and services
Venclose Maven Catheter General $17.08
Philips North America LLC
Food and Beverage
Cash or cash equivalent
IV Other General $15.68
BIOTRONIK INC.
Food and Beverage
In-kind items and services
Pulsar-18 T3 General $15.22
BIOTRONIK INC.
Food and Beverage
In-kind items and services
Passeo-18 General $14.80
Bard Peripheral Vascular, Inc.
Food and Beverage
In-kind items and services
Venovo General $14.77
BIOTRONIK INC.
Food and Beverage
In-kind items and services
Passeo-18 General $11.36
BIOTRONIK INC.
Food and Beverage
In-kind items and services
Pulsar-18 T3 General $10.50
Bard Peripheral Vascular, Inc.
Food and Beverage
In-kind items and services
Venclose Maven Catheter General $7.22

Source: CMS Open Payments, program year 2025, released June 30, 2026.

Performed Procedures & Service Volume

Services billed to Original Medicare Part B in 2024.

CMS Part B · Data Year 2024
Reporting Year:

CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.

HCPCS Code Services Patients Submitted Charge Medicare Allowed
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes
371 82 $25.35 $11.04
37253 Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel
245 40 $407.68 $163.31
76937 Ultrasonic guidance for blood vessel access
154 82 $87.77 $36.61
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes
150 83 $112.19 $47.90
37252 Ultrasound evaluation of blood vessel with review by radiologist, initial vessel
77 41 $2292.55 $877.95
99284 Emergency department visit with moderate level of medical decision making
73 71 $984.86 $119.08
36012 Insertion of tube into vein, second order branch
67 38 $1899.30 $529.75
37229 Removal of plaque in artery of leg, initial vessel
64 46 $19384.22 $6742.12
99285 Emergency department visit with high level of medical decision making
64 61 $1418.39 $172.80
37238 Insertion of stent in vein with review by radiologist, initial vein
60 34 $8056.90 $3198.52
75716 Review by radiologist of both arms or legs arteries image
56 49 $2023.91 $155.07
75625 Review by radiologist of abdominal aorta image
54 50 $287.30 $107.11
36465 Injection of chemical agent into single incompetent vein of leg using ultrasound guidance
41 20 $3333.02 $1205.43
75822 Review by radiologist of both arms and legs veins of both arms or legs image
29 26 $302.38 $128.69
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
28 26 $726.27 $159.64
37225 Removal of plaque in arteries of leg
27 21 $10460.26 $4230.39
75825 Review by radiologist of major lower body vein image
27 20 $270.04 $101.76
37227 Removal of plaque and insertion of stents in arteries of leg
25 21 $29200.40 $10332.36
93970 Ultrasound study of arm or leg veins with compression and maneuvers
24 21 $557.58 $161.92
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
24 18 $393.00 $122.42
37233 Removal of plaque in artery of leg, each additional vessel
22 19 $2299.00 $992.01
75820 Review by radiologist of 1 arm or leg vein of 1 arm or leg image
21 17 $280.52 $96.26
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
20 14 $278.00 $86.38
93925 Ultrasound of leg arteries or artery grafts
16 16 $1200.28 $224.49
75710 Review by radiologist of arm or leg artery image
15 14 $322.67 $144.72

(top 25 shown)

Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits

Submitted charges are billed amounts, not a price quote for your visit.

Medicare Part D Prescribing Profile & Medications

Medicare Part D prescriptions filled, including refills, in 2024.

CMS Part D · Data Year 2024
Prescription Year:
Brand Name Generic Name Prescriptions Day Supply Total Cost Patients
Clopidogrel Clopidogrel Bisulfate 350 19,870 $2,425.48 124
Xarelto Rivaroxaban 72 2,762 $51,266.77 19
Eliquis Apixaban 33 1,110 $21,213.23 11
Ibuprofen Ibuprofen 30 238 $120.85 29
Methylprednisolone Methylprednisolone 19 119 $177.98 18
Ondansetron Odt Ondansetron 18 136 $154.13 18
Prasugrel Hcl Prasugrel Hcl 18 660 $886.73 —
Clindamycin Hcl Clindamycin Hcl 17 153 $245.22 16
Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim 15 105 $72.95 14
Tramadol Hcl Tramadol Hcl 14 53 $29.79 14
Azithromycin Azithromycin 14 70 $39.62 14
Ciprofloxacin Hcl Ciprofloxacin Hcl 12 84 $63.57 12
Cyclobenzaprine Hcl Cyclobenzaprine Hcl 12 101 $34.89 12
Amoxicillin Amoxicillin 11 83 $31.70 11

Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2025-12-22
Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary Specialty

NUCC Taxonomy Code: 208G00000X

License # reported to NPPES TX K5159

A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.

Emergency Medicine

NUCC Taxonomy Code: 207P00000X

License # reported to NPPES TX K5159

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Surgery - Vascular Surgery

NUCC Taxonomy Code: 2086S0129X

License # reported to NPPES TX K5159

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Texas Medical Board.
Look Up on State Board Site

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid ID
149924601 (TX)
Other Identifier Bcbs
8U9393 (TX)
Other Identifier Rr Medicare Pin
P00715572 (TX)
Other Identifier Medical License
K5159 (TX)

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - THORACIC SURGERY

Medicare Enrollment ID

I20050617000827

Enrollment State Jurisdiction

TX

PECOS Control ID

6507800786

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

Concord Medical Group Pllc

701 Mcclintic Dr, Groesbeck, TX 766422128

Phone: 2547293281

Concord Medical Group Pllc

310 W S St, Henrietta, TX 763653346

Phone: 9405385621

Secondary Practice Locations

3600 Conflans Rd Ste 103

Irving, TX 750616324

Phone: 4697508041

1810 Murchison Dr Ste 104

El Paso, TX 799022906

Phone: 2818888999

2270 Matlock Rd Ste 104

Mansfield, TX 760633710

Phone: 2818888999

3319 Unicorn Lake Blvd Ste 111

Denton, TX 762100121

Phone: 2818888999

1924 Forest Ridge Dr Ste 300

Bedford, TX 760218227

Phone: 2818888999

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

12 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 20, 2023

Emergency Medicine (license number reported to NPPES: TX K5159)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 14, 2023

Thoracic Surgery (Cardiothoracic Vascular Surgery) (license number reported to NPPES: TX K5159)

📍
Updated Practice Location September 22, 2023

Registered at 4708 DEXTER DR STE 350, PLANO, TX 750935288 (Tel: 4697508041)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 01, 2023

Surgery (license number reported to NPPES: TX K5159)

📍
Updated Practice Location December 27, 2022

Registered at 3600 CONFLANS RD STE 103, IRVING, TX 750616324 (Tel: 4697508041)

📍
Updated Business Mailing Address December 27, 2022

Registered at 6717 COLUMBINE WAY, PLANO, TX 750936347 (Tel: 4697508041)

âś…
NPI Profile Active January 03, 2017

NPI status registered as active in NPPES database

📍
Practice Location (Initial Record) January 03, 2017

Registered at 17950 PRESTON RD, STE 120, DALLAS, TX 752525793 (Tel: 9724835714)

📍
Business Mailing Address (Initial Record) January 03, 2017

Registered at 17950 PRESTON RD, STE 120, DALLAS, TX 752525793 (Tel: 9724835714)

👤
Provider Name / Credentials (Initial Record) January 03, 2017

Recorded as GREGORY MESSNER, D.O.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 03, 2017

Single Specialty

🟢
Initial NPI Registration & Enumeration June 30, 2006

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1376572867
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 30, 2006
Last Update: December 22, 2025
Sole Proprietor: No

Other Thoracic Surgery (Cardiothoracic Vascular Surgery)s in Plano

All Thoracic Surgery (Cardiothoracic Vascular Surgery)s in Plano

Mailing Address

6717 Columbine Way

Plano, TX 750936347

Phone: 4697508041

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.