Gregory Matter, MD
NPI 1962466953 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Sherman, TX
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Matter, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Sherman, TX (NPI 1962466953).
Provider details
- NPI number
- 1962466953
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- H0611 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
87 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 24 | $211 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 19 | $159 |
| Coronary Artery Bypass Using Artery Graft, 1 Graft33533 | 17 | $1,512 |
| Coronary Artery Bypass Using Vein Or Artery Graft, 3 Grafts33519 | 14 | $471 |
| Harvest of Arm Artery Segment for Heart Byplass Procedure35600 | 13 | $167 |
Typical Medicare-allowed amounts for these services range $159–$1,512 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 108 | 45 |
| Spironolactone | 84 | 49 |
| Furosemide | 65 | 36 |
| Atorvastatin Calcium | 35 | 21 |
| Amiodarone Hcl | 34 | 28 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 31 | 27 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,682 across 22 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-14
- Last updated
- 2018-01-26
Frequently asked questions
- What is Gregory Matter's NPI number?
- Gregory Matter's National Provider Identifier (NPI) is 1962466953, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Matter's specialty?
- Gregory Matter is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Matter located?
- Gregory Matter's practice location on file with NPPES is 600 E Taylor St Ste 100, Sherman, TX 75090-2882.
- What is Gregory Matter's phone number?
- The practice phone number listed in the NPPES registry for Gregory Matter is (903) 868-4595.
- Does Gregory Matter accept Medicare?
- Gregory Matter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Matter's NPI active?
- Yes — Gregory Matter's NPI (1962466953) is active in the NPPES registry as of the last update on 2018-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.