DR. JOHN J. SHARKEY M.D.
NPI 1053395640
Orthopaedic Surgery - Sports Medicine in New York, NY
About Dr. John J. Sharkey M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN J. SHARKEY M.D. (NPI 1053395640) is an individual sports medicine provider in New York, New York, licensed in Ohio (35.078735) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Columbus, and is a graduate of State University Of New York Downstate Medical Center (1994).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John J. Sharkey M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show John Sharkey reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10003
- Reassigned Medicare billing, New York enrollment
- 45 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 623 clinicians in this Medicare group
Brooklyn, NY 11203
- Reassigned Medicare billing, New York enrollment
- 291 clinicians in this Medicare group
Bronx, NY 10451
- Reassigned Medicare billing, New York enrollment
- 971 clinicians in this Medicare group
Brooklyn, NY 11235
- Reassigned Medicare billing, New York enrollment
- 638 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Sharkey's NPI number?
The NPI number for John Sharkey is 1053395640. It was assigned to this individual provider in the NPPES registry on December 6, 2005.
Where is John Sharkey located?
John Sharkey practices at 500 E 14th St, New York, NY 10009. The listed phone number is (212) 481-3333.
What is John Sharkey's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Sports Medicine, with taxonomy code 207XX0005X.
Is John Sharkey enrolled in Medicare?
Yes. John Sharkey is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Sharkey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Sharkey reassigns Medicare benefits to 5 organizations: 14 Street Medical, PC (New York, NY), Metropolitan Medical Practice Plan PC (New York, NY), University Physicians Of Brooklyn, Inc (Brooklyn, NY), Downtown Bronx Medical Associates PC (Bronx, NY) and Coney Island Medical Practice Plan, P.C. (Brooklyn, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Sharkey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for John Sharkey was last updated on April 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.