MR. JOHN FRANCIS SHARKEY IV NP-C
NPI 1336532456
Nurse Practitioner - Adult Health in Greenville, SC
About Mr. John Francis Sharkey Iv Np-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. JOHN FRANCIS SHARKEY IV NP-C (NPI 1336532456) is an individual adult health provider in Greenville, South Carolina, licensed in South Carolina (19347) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, is affiliated with Prisma Health Greenville Memorial Hospital, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 3
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
Mr. John Francis Sharkey Iv Np-c 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.
Greenville, SC 29605
- Reassigned Medicare billing, South Carolina enrollment
- 39 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 10
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Prisma Health Greenville Memorial Hospital
Acute Care Hospitals · Greenville, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29605 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 20
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 1336532456. It was assigned to this individual provider in the NPPES registry on March 13, 2015.
Where is John Sharkey located?
John Sharkey practices at 203 Mills Ave, Greenville, SC 29605. The listed phone number is (864) 271-1844.
What is John Sharkey's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
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 Carolina Nephrology PA (Greenville, SC). 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 Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina, First Choice Next and InStil Health and 1 other insurer 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 Prisma Health Greenville Memorial Hospital.
When was this NPI record last updated?
The NPPES record for John Sharkey was last updated on March 13, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Mr. John Francis Sharkey IV, NP-C · NPI 1336532456
Adult Health physician in Greenville, South Carolina. Individual provider, active in the CMS NPPES registry since March 13, 2015.
## Identity
- **NPI:** 1336532456 (Entity type: Individual)
- **Enumerated:** March 13, 2015
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 19347 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 203 MILLS AVE, Greenville, SC 29605-4019
- **Phone:** (864) 271-1844 · **Fax:** (864) 271-2147
## 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:** Carolina Nephrology PA (NPI 1679557516, Greenville, SC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** March 13, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1336532456) · Data from the CMS NPPES public registry.