Physician Profile
Unclaimed ProfileAbout WILLIAMS
Based in New York, NY, Mathew R Williams, M.D. is listed in the NPI registry under thoracic surgery. Mathew graduated from Columbia University College of Physicians and Surgeons in 1996. Mathew is also listed as specializing in specialist and thoracic surgery (cardiothoracic). According to Medicare claims data, Mathew cared for 956 Medicare patients across 959 services.
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
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (212) 263-7185
- Email not available
Practice Locations
530 1ST AVE
New York, NY 10016
Procedures Most Often Billed to Medicare
959 services · 956 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Replacement of aortic valve through the skin and femoral artery | Procedure | 33361 |
301 |
| Repair of mitral valve through the skin, initial prosthesis | Procedure | 33418 |
60 |
| Repair of mitral valve through the skin, additional prosthesis | Procedure | 33419 |
23 |
| Replacement of aortic valve on heart-lung machine | Procedure | 33405 |
11 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
474 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
68 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
22 |
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 York 8
Same specialty, same city.
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1996 at Columbia University College of Physicians and Surgeons 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 NY who bill this service to Medicare most often.
Common questions
What is Dr. Williams's specialty?
Dr. Williams is a thoracic surgeon in New York, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “THORACIC SURGERY”.
NPI registry
Where can I find Dr. Williams?
Dr. Williams is listed at 530 1ST AVE, New York, NY 10016. 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 (212) 263-7185. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Williams's NPI number?
Dr. Williams's National Provider Identifier is 1790715324. 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 Columbia University College of Physicians and Surgeons, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Williams been practicing?
Dr. Williams has 30 years experience. Calculated from a graduation year of 1996, 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, repair of mitral valve through the skin, initial prosthesis and repair of mitral valve through the skin, additional prosthesis, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Williams confirmed this information?
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.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.