Physician Profile
Matthew L. Williams, MD
Unclaimed ProfileAbout Dr. Williams
Based in New Haven, CT, Matthew L. Williams, MD is listed in the NPI registry under thoracic surgery (cardiothoracic). Matthew graduated from Duke University School of Medicine in 1999. Medicare claims data shows Matthew provided 180 services to 179 patients. The services billed most often include new patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more, replacement of aortic valve through the skin and femoral artery, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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) 785-5000
- Email not available
Practice Locations
330 CEDAR ST # BB204
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
- Floppy Windpipe
- Hole Between Windpipe and Food Pipe
- Narrowed windpipe
- Windpipe Cancer
Chest tumors
- Mass between the lungs
- Thymus tumor
Chest wall
- Broken ribs
- Chest wall tumor
- Pigeon chest
- Slipping Rib Syndrome
- Sunken chest
Diaphragm
- Diaphragmatic hernia
- Paralyzed diaphragm
Esophagus
- Esophagus Spasms
Esophagus and stomach
- Acid reflux
- Barrett's esophagus
- Esophageal cancer
- Esophageal pouch
- Esophagus tear
- Hiatal hernia
- Swallowing difficulties
Heart lining
Infection
- Deep Chest Infection
Lung
- Bronchiectasis
- Congenital Lung Malformation
- Lung Bullae
- Persistent Air Leak
- Pulmonary fibrosis
Lung cancer
Lung conditions
Nerves
- Severe Facial Blushing
Nerves and blood vessels
- Thoracic outlet syndrome
Neuromuscular
Pleural disease
- Asbestos lung damage
- Lymph Fluid Leak in Chest
Sweating disorders
- Excessive sweating
- Excessive underarm sweating
Trauma
- Broken Breastbone
Vascular
Procedures & services
Airway
- Surgical Tracheostomy
Airway surgery
- Airway surgery
- Windpipe stent placement
Chest tumors
- Chest tumor removal
- Thymus removal surgery
Chest wall
- Pigeon Chest Repair
- Slipping Rib Surgery
Chest wall surgery
- Broken rib plating surgery
- Chest wall reconstruction
- Sunken chest repair
- Thoracic Outlet Decompression
Diagnostic tests
Diagnostics
- EBUS lung biopsy
- Robotic Navigational Bronchoscopy
- Surgical Lung Biopsy
Diaphragm
- Diaphragm Pacemaker Implantation
Diaphragm surgery
- Diaphragm repair surgery
Emphysema
- Lung Volume Reduction Surgery
Esophagus
- Achalasia Surgery
- Esophageal Pouch Surgery
Esophagus surgery
- Acid reflux surgery
- Esophageal dilation
- Esophageal stent placement
- Esophagus removal surgery
- Hiatal hernia surgery
- Peroral endoscopic myotomy
Fluid drainage
Heart lining
- Heart Fluid Drainage (Pericardiocentesis)
- Pericardial Window Surgery
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
- Surgery for Facial Blushing
Pleural disease
- Chest Lymph Duct Ligation
Robotic surgery
- Robotic chest surgery
Surgical approach
- Open Chest Surgery
Sweat surgery
- Surgery for sweaty hands
Transplant
- Lung Transplant
Trauma
- Broken Breastbone Surgery
Procedures Most Often Billed to Medicare
180 services · 179 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Replacement of aortic valve through the skin and femoral artery | Procedure | 33361 |
58 | More often than most peers in Thoracic Surgery (Cardiothoracic) |
| Replacement of aortic valve on heart-lung machine | Procedure | 33405 |
14 | As often as other peers in Thoracic Surgery (Cardiothoracic) |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
64 | More than most peers in Thoracic Surgery (Cardiothoracic) |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
31 | More often than most peers in Thoracic Surgery (Cardiothoracic) |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
13 |
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.
Other thoracic surgery specialists at this location 3
Same specialty, same street address — most likely the same department or group.
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 surgery specialists in New Haven 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Duke University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at Duke 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 8
Providers in CT who bill this service to Medicare most often.
Common questions
What is Dr. Williams's specialty?
Dr. Williams is a thoracic surgery (cardiothoracic) in New Haven, CT. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Williams?
Dr. Williams is listed at 330 Cedar St # Bb204, New Haven, CT 06510. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Williams?
The number on file is (203) 785-5000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Williams?
Dr. Williams's National Provider Identifier is 1679740005. 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
What is Dr. Williams's medical education?
Dr. Williams attended Duke University School of Medicine, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Williams have?
Dr. Williams has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Williams known for?
According to Medicare billing data, Dr. Williams performs procedures including replacement of aortic valve through the skin and femoral artery and replacement of aortic valve on heart-lung machine, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Williams's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Williams. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.