Physician Profile
John M. Feder, MD is a healthcare provider in Rockville Centre, NY specializing in orthopaedic foot & ankle surgery. John trained at New York Medical College, graduating in 1987. Medicare claims data shows John provided 2,195 services to 1,588 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, x-ray of foot, minimum of 3 views, 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.
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.
36 LINCOLN AVE
Rockville Centre, NY 11570
2,195 services · 1,588 patients · 20 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
71 | More often than most peers in Orthopaedic Foot & Ankle Surgery |
| Correction of toe joint deformity | Procedure | 28285 |
28 | As often as other peers in Orthopaedic Foot & Ankle Surgery |
| Closed treatment of broken bone in forefoot or midfoot | Procedure | 28470 |
19 | More often than most peers in Orthopaedic Foot & Ankle Surgery |
| Aspiration and/or injection of fluid from medium joint | Procedure | 20605 |
19 | Less often than most peers in Orthopaedic Foot & Ankle Surgery |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
16 | Less often than most peers in Orthopaedic Foot & Ankle Surgery |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
411 | More often than most peers in Orthopaedic Foot & Ankle Surgery |
| X-ray of ankle, minimum of 3 views | Imaging | 73610 |
133 | As often as other peers in Orthopaedic Foot & Ankle Surgery |
| X-ray of ankle, 2 views | Imaging | 73600 |
68 | More often than most peers in Orthopaedic Foot & Ankle Surgery |
| X-ray of heel, minimum of 2 views | Imaging | 73650 |
39 | More often than most peers in Orthopaedic Foot & Ankle Surgery |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
26 | More often than most peers in Orthopaedic Foot & Ankle Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Feder is an orthopaedic foot & ankle surgeon in Rockville Centre, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Foot & Ankle Surgery”.
NPI registry
Dr. Feder is listed at 36 Lincoln Ave, Rockville Centre, NY 11570. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (516) 536-2800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Feder's National Provider Identifier is 1558360081. 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. Feder attended New York Medical College, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
Dr. Feder has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Feder performs procedures including aspiration and/or injection of fluid from large joint, correction of toe joint deformity and closed treatment of broken bone in forefoot or midfoot; reads or performs imaging such as x-ray of foot, minimum of 3 views and x-ray of ankle, 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. Feder. 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.