JOHN NASELLI
NPI 1871173344
Psychiatry & Neurology - Neurology in Greenville, SC
About John Naselli NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN NASELLI (NPI 1871173344) is an individual neurology provider in Greenville, South Carolina, licensed in South Carolina (86029) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Prisma Health Greenville Memorial Hospital, and maintains a secondary practice location in Easley.
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 Naselli 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
2Medicare enrollment records show John Naselli reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenville, SC 29605
- Reassigned Medicare billing, South Carolina enrollment
- 3,281 clinicians in this Medicare group
Anderson, SC 29621
- Reassigned Medicare billing, South Carolina enrollment
- 133 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.
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.
GREENVILLE, SC 29605
GREENVILLE, SC 29605
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 Naselli's NPI number?
The NPI number for John Naselli is 1871173344. It was assigned to this individual provider in the NPPES registry on April 9, 2021.
Where is John Naselli located?
John Naselli practices at 701 Grove Rd, Greenville, SC 29605. The listed phone number is (864) 455-5777.
What is John Naselli's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is John Naselli enrolled in Medicare?
Yes. John Naselli 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 Naselli's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Naselli reassigns Medicare benefits to 2 organizations: Prisma Health University Medical Group (Greenville, SC) and South Carolina Dept Of Mental Health Accounting Office (Anderson, SC). 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 Naselli's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Naselli accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and InStil Health and 1 other insurer list John Naselli 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 Naselli affiliated with any hospitals?
According to CMS data, John Naselli is affiliated with Prisma Health Greenville Memorial Hospital.
When was this NPI record last updated?
The NPPES record for John Naselli was last updated on September 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.