Gregory Thomas, M.D.
NPI 1083624357 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Huntsville, AL
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Thomas, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Huntsville, AL (NPI 1083624357).
Provider details
- NPI number
- 1083624357
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25181 (AL)
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
19 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
400 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 60 | $114 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 48 | $71 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 36 | $15 |
| Ultrasound of Chest Aorta During Surgery76984 | 34 | $27 |
| Harvest of Vein Using an Endoscope33508 | 31 | $14 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Tartrate | 68 | 37 |
| Furosemide | 61 | 38 |
| Potassium Chloride | 61 | 40 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 53 | 40 |
| Amiodarone Hcl | 33 | 24 |
| Methocarbamol | 29 | 21 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,236 across 15 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
- 2006-08-09
- Last updated
- 2022-03-16
- Certified
- 2022-03-16
Frequently asked questions
- What is Gregory Thomas's NPI number?
- Gregory Thomas's National Provider Identifier (NPI) is 1083624357, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Thomas's specialty?
- Gregory Thomas is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Thomas located?
- Gregory Thomas's practice location on file with NPPES is 201 Sivley Rd Sw Ste 300, Huntsville, AL 35801-5102.
- What is Gregory Thomas's phone number?
- The practice phone number listed in the NPPES registry for Gregory Thomas is (256) 536-5594.
- Does Gregory Thomas accept Medicare?
- Gregory Thomas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Thomas's NPI active?
- Yes — Gregory Thomas's NPI (1083624357) is active in the NPPES registry as of the last update on 2022-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.