COURTNEY LYNN CARSTEN MD
NPI 1720462948
Family Medicine in Greer, SC
About Courtney Lynn Carsten Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COURTNEY LYNN CARSTEN MD (NPI 1720462948) is an individual family medicine provider in Greer, South Carolina, licensed in South Carolina (38628) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 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 (PECOS)
Courtney Lynn Carsten Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Courtney Carsten reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Greer, SC 29650
- Reassigned Medicare billing, South Carolina enrollment
- 248 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29651 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 3
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 Courtney Carsten's NPI number?
The NPI number for Courtney Carsten is 1720462948. It was assigned to this individual provider in the NPPES registry on July 17, 2015. The provider is also known as Courtney Lynn Duffy MD.
Where is Courtney Carsten located?
Courtney Carsten practices at 426 Memorial Drive Ext, Greer, SC 29651. The listed phone number is (864) 877-9066.
What is Courtney Carsten's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Courtney Carsten enrolled in Medicare?
Yes. Courtney Carsten is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Courtney Carsten's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Courtney Carsten reassigns Medicare benefits to St. Francis Physician Services Inc (Greer, 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 Courtney Carsten's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Courtney Carsten accept?
Health plans from First Choice Next list Courtney Carsten 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.
When was this NPI record last updated?
The NPPES record for Courtney Carsten was last updated on June 24, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Courtney Lynn Carsten, MD · NPI 1720462948
Family Medicine physician in Greer, South Carolina. Individual provider, active in the CMS NPPES registry since July 17, 2015.
## Identity
- **NPI:** 1720462948 (Entity type: Individual)
- **Enumerated:** July 17, 2015
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 38628 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 426 MEMORIAL DRIVE EXT, Greer, SC 29651
- **Phone:** (864) 877-9066 · **Fax:** (864) 241-9224
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** St. Francis Physician Services Inc (NPI 1013293604, Greer, SC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 24, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1720462948) · Data from the CMS NPPES public registry.