Physician Profile
Courtney J. Gemmato, M.D.
Unclaimed ProfileAbout Dr. Gemmato
Courtney J. Gemmato, M.D. is a healthcare provider in New Haven, CT specializing in thoracic surgery. Courtney trained at Yale University School of Medicine, graduating in 2011. Courtney is also listed as specializing in surgery and student in an organized health care education program. According to Medicare claims data, Courtney cared for 143 Medicare patients across 143 services. The services billed most often include replacement of aortic valve through the skin and femoral artery, new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, and coronary artery bypass using artery graft, 1 graft. This provider record is associated with NPI 1043505886.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (203) 688-4242
- Email not available
Practice Locations
20 YORK ST YNHH DEPT OF SURGERY
New Haven, CT 06510
Conditions Commonly Evaluated or Treated
Within Thoracic Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Airway
Chest tumors
Chest wall
Diaphragm
Esophagus
Esophagus and stomach
- Acid reflux
- Barrett's esophagus
- Esophageal cancer
- Esophageal pouch
- Esophagus tear
- Hiatal hernia
- Swallowing difficulties
Heart lining
Infection
Lung
Lung cancer
Lung conditions
Nerves
Nerves and blood vessels
Neuromuscular
Pleural disease
Sweating disorders
Trauma
Vascular
Procedures & services
Airway
Airway surgery
Chest tumors
Chest wall
Chest wall surgery
- Broken rib plating surgery
- Chest wall reconstruction
- Sunken chest repair
- Thoracic Outlet Decompression
Diagnostic tests
Diagnostics
Diaphragm
Diaphragm surgery
Emphysema
Esophagus
Esophagus surgery
- Acid reflux surgery
- Esophageal dilation
- Esophageal stent placement
- Esophagus removal surgery
- Hiatal hernia surgery
- Peroral endoscopic myotomy
Fluid drainage
Heart lining
Lung surgery
- Collapsed lung surgery
- Lung cancer surgery
- Lung lining scraping and cleaning
- Lung nodule removal
- Lung valve placement for emphysema
- Minimally invasive lung surgery
Nerves
Pleural disease
Robotic surgery
Surgical approach
Sweat surgery
Transplant
Trauma
Procedures Most Often Billed to Medicare
143 services · 143 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Replacement of aortic valve through the skin and femoral artery | Procedure | 33361 |
65 | Too few peers to compare |
| Coronary artery bypass using artery graft, 1 graft | Procedure | 33533 |
16 | Too few peers to compare |
| Exclusion of appendage of left upper chamber of heart performed during other procedure on chest | Procedure | 33268 |
15 | Too few peers to compare |
| Harvest of vein using an endoscope | Procedure | 33508 |
14 | Too few peers to compare |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
33 | More often than most peers in Thoracic Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other thoracic surgeons in New Haven 8
Same specialty, same city.
Trained at Yale University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 2011 at Yale University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Replacement of aortic valve through the skin and femoral artery 7
Providers in CT who bill this service to Medicare most often.
Common questions
What does Courtney J. Gemmato specialize in?
Courtney J. Gemmato is a thoracic surgeon in New Haven, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Thoracic Surgery”.
NPI registry
Where is Courtney J. Gemmato located?
Courtney J. Gemmato is listed at 20 York St Ynhh Dept of Surgery, New Haven, CT 06510. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Courtney J. Gemmato's phone number?
The number on file is (203) 688-4242. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Courtney J. Gemmato's NPI number?
Courtney J. Gemmato's National Provider Identifier is 1043505886. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Courtney J. Gemmato train?
Courtney J. Gemmato attended Yale University School of Medicine, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Courtney J. Gemmato been practicing?
Courtney J. Gemmato has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What does Courtney J. Gemmato do most often?
According to Medicare billing data, Courtney J. Gemmato performs procedures including replacement of aortic valve through the skin and femoral artery, coronary artery bypass using artery graft, 1 graft and exclusion of appendage of left upper chamber of heart performed during other procedure on chest, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Courtney J. Gemmato confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Courtney J. Gemmato. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.