Physician Profile
Matthew Cantlon, MD is a healthcare provider in Greenwich, CT specializing in orthopaedic hand surgery. Matthew trained at Columbia University College of Physicians and Surgeons, graduating in 2010. Matthew is also listed as specializing in orthopaedic surgery. According to Medicare claims data, Matthew cared for 1,035 Medicare patients across 4,892 services. The services billed most often include injection, methylprednisolone acetate, 1 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with moderate level of 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 — free, and no identity document with a practice or institutional email.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
6 GREENWICH OFFICE PARK
Greenwich, CT 06831
Within Hand 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.
Arthritis & Joints
Circulation
Congenital
Fractures & Injuries
Infections
Injuries
Lumps & Bumps
Lumps & Masses
Nails
Nerves
Tendons
Bone surgery
Cyst & Lump Removal
Fracture Repair
Injections
Injections & Therapy
Joint surgery
Joint Surgery
Minor procedures
Nail procedures
Nerve Surgery
Nerve surgery
Pain management
Tendon Surgery
Tendon surgery
Trauma & Reconstruction
Wound repair
4,892 services · 1,035 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection into tendon or ligament | Procedure | 20550 |
136 | More often than most peers in Orthopaedic Hand Surgery |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
40 | As often as other peers in Orthopaedic Hand Surgery |
| Incision of tendon covering of finger | Procedure | 26055 |
23 | Less often than most peers in Orthopaedic Hand Surgery |
| Release and/or relocation of hand nerve | Procedure | 64721 |
22 | Less often than most peers in Orthopaedic Hand Surgery |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
136 | More often than most peers in Orthopaedic Hand Surgery |
| X-ray of wrist, minimum of 3 views | Imaging | 73110 |
119 | More often than most peers in Orthopaedic Hand Surgery |
| X-ray of finger, minimum of 2 views | Imaging | 73140 |
71 | More often than most peers in Orthopaedic Hand Surgery |
| X-ray of elbow, minimum of 3 views | Imaging | 73080 |
36 | More often than most peers in Orthopaedic Hand Surgery |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
3,695 | As often as other peers in Orthopaedic Hand Surgery |
| Injection, methylprednisolone acetate, 20 mg | Drug given | J1020 |
38 | As often as other peers in Orthopaedic Hand Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Cantlon is an orthopaedic hand surgeon in Greenwich, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Hand Surgery”.
NPI registry
Dr. Cantlon is listed at 6 Greenwich Office Park, Greenwich, CT 06831. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (203) 869-1145. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Cantlon's National Provider Identifier is 1144546888. 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
Dr. Cantlon attended Columbia University College of Physicians and Surgeons, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
Dr. Cantlon has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Cantlon performs procedures including injection into tendon or ligament, aspiration and/or injection of fluid from small joint and incision of tendon covering of finger; reads or performs imaging such as x-ray of hand, minimum of 3 views and x-ray of wrist, minimum of 3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Cantlon. 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.