DR. GREGORY ALLEN THOMAS M.D.
NPI 1083624357
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Huntsville, AL

Active since August 09, 2006PECOS EnrolledAccepts Medicare Assignment
201 SIVLEY RD SW STE 300, HUNTSVILLE, AL 35801(256) 536-5594(256) 533-3379 Get Directions Write a Review

NPPES record last updated: March 16, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Gregory Allen Thomas M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGORY ALLEN THOMAS M.D. (NPI 1083624357) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Huntsville, Alabama, licensed in Alabama (25181) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (1988).

NPPES Registry Identity

NPI1083624357
Entity TypeIndividualMale
Primary Taxonomy208G00000X
Provider Legal NameDR. GREGORY ALLEN THOMASCredential: M.D.
Location Address201 SIVLEY RD SW STE 300Huntsville, AL 35801-5102
Mailing Address930 Franklin St SeHuntsville, AL 35801-4312 · (256) 533-3388 · Fax (256) 801-6727
Fax(256) 533-3379
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 1988
Enumeration DateAugust 9, 2006
Last NPPES UpdateMarch 16, 2022
NPPES CertifiedMarch 16, 2022
NPI 1083624357 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
License Licensed in AL · 25181
Definition
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.
201 SIVLEY RD SW STE 300, Huntsville, AL 35801

Other Identifiers 2

Medicaid09923075AL
Medicaid051553265AL

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Gregory Allen Thomas M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3072561737
PECOS Enrollment IDI20050110000342
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
60 services51 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
48 services28 patients
Harvest of vein using an endoscope 33508
Harvesting a vein using an endoscope is a procedure where a small camera is used to help surgeons remove a vein from your body. This vein is often used to bypass a blocked artery, improving blood flow to your heart.
31 services31 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
30 services27 patients
Coronary artery bypass using artery graft, 1 graft 33533
A coronary artery bypass with one artery graft is a surgical procedure to improve blood flow to your heart. An artery from another part of your body is used to bypass a blocked or narrowed coronary artery. This can help reduce chest pain and risk of heart attack.
28 services28 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
28 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 35801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$161.63 typical visit price
range $52.65 – $161.63
Typical copayment $40.40 (range $13.16 – $40.40)
Most-billed visit code 99205
Established Patient
$66.08 typical visit price
range $16.56 – $131.65
Typical copayment $16.52 (range $4.14 – $32.91)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Patient Centered Surgical Risk Assessment and Communication for Cardiac Surgery
Percentage of patients age 18 and older undergoing a non-emergency risk modeled cardiac surgery procedure that had personalized risk assessment using the STS risk calculator and discussed those risks with the surgeon.
4%79 patients1/55-star benchmark: 100%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
98%100 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Thoracic Surgery (Cardiothoracic Vascular Surgery)
201 SIVLEY RD SW STE 300
HUNTSVILLE, AL 35801
Nurse Practitioner (Acute Care)
201 SIVLEY RD SW STE 300
HUNTSVILLE, AL 35801
Nurse Practitioner
201 SIVLEY RD SW STE 300
HUNTSVILLE, AL 35801
Thoracic Surgery (Cardiothoracic Vascular Surgery)
201 SIVLEY RD SW STE 300
HUNTSVILLE, AL 35801
Surgery
201 SIVLEY RD SW STE 300
HUNTSVILLE, AL 35801
Thoracic Surgery (Cardiothoracic Vascular Surgery)
201 SIVLEY RD SW STE 300
HUNTSVILLE, AL 35801

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Thomas's NPI number?

The NPI number for Gregory Thomas is 1083624357. It was assigned to this individual provider in the NPPES registry on August 9, 2006.

Where is Gregory Thomas located?

Gregory Thomas practices at 201 Sivley Rd SW Ste 300, Huntsville, AL 35801. The listed phone number is (256) 536-5594.

What is Gregory Thomas's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is Gregory Thomas enrolled in Medicare?

Yes. Gregory Thomas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Gregory Thomas accept?

Health plans from Ambetter Health, Ambetter from Magnolia Health, Ambetter of Alabama, Ambetter of Tennessee and Blue Cross and Blue Shield of Alabama and 3 other insurers list Gregory Thomas as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gregory Thomas was last updated on March 16, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.