JOHN MARTIN SHARKEY MD
NPI 1477131571
Internal Medicine - Rheumatology in Willingboro, NJ
About John Martin Sharkey Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN MARTIN SHARKEY MD (NPI 1477131571) is an individual rheumatology provider in Willingboro, New Jersey, licensed in New Jersey (25MA13095100) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Cooper University Hospital, and maintains a secondary practice location in Summit.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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
John Martin Sharkey Md 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 Reassignment
Medicare enrollment records show John Sharkey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cherry Hill, NJ 08034
- Reassigned Medicare billing, New Jersey enrollment
- 399 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cooper University Hospital
Acute Care Hospitals · Camden, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 08046 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WILLINGBORO, NJ 08046
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 1477131571. It was assigned to this individual provider in the NPPES registry on March 30, 2021.
Where is John Sharkey located?
John Sharkey practices at 651 John F Kennedy Way, Willingboro, NJ 08046. The listed phone number is (609) 835-2838.
What is John Sharkey's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
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 organization bills Medicare for John Sharkey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Sharkey reassigns Medicare benefits to Cmc Department Of Medicine Group PA (Cherry Hill, NJ). The 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.
What insurance does John Sharkey accept?
Health plans from Oscar Health list John Sharkey as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Sharkey affiliated with any hospitals?
According to CMS data, John Sharkey is affiliated with Cooper University Hospital.
When was this NPI record last updated?
The NPPES record for John Sharkey was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# John Martin Sharkey, MD · NPI 1477131571
Rheumatology physician in Willingboro, New Jersey. Individual provider, active in the CMS NPPES registry since March 30, 2021.
## Identity
- **NPI:** 1477131571 (Entity type: Individual)
- **Enumerated:** March 30, 2021
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 25MA13095100 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 651 JOHN F KENNEDY WAY, Willingboro, NJ 08046-1262
- **Phone:** (609) 835-2838
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Cmc Department Of Medicine Group PA (NPI 1922130129, Cherry Hill, NJ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1477131571) · Data from the CMS NPPES public registry.