CHELSEA O'BRIEN NP
NPI 1245942002
Nurse Practitioner - Acute Care in Greenville, SC
About Chelsea O'brien Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHELSEA O'BRIEN NP (NPI 1245942002) is an individual acute care provider in Greenville, South Carolina, licensed in South Carolina (26691) and active in the NPI registry since December 2022. She is enrolled in Medicare PECOS, is affiliated with St Francis-downtown, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
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
Chelsea O'brien Np 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 Chelsea O'brien reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenville, SC 29607
- Reassigned Medicare billing, South Carolina enrollment
- 191 clinicians in this Medicare group
Greenville, SC 29601
- Reassigned Medicare billing, South Carolina enrollment
- 389 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 2
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.
St Francis-Downtown
Acute Care Hospitals · Greenville, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29607 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREENVILLE, SC 29607
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 Chelsea O'brien's NPI number?
The NPI number for Chelsea O'brien is 1245942002. It was assigned to this individual provider in the NPPES registry on December 22, 2022.
Where is Chelsea O'brien located?
Chelsea O'brien practices at 104 Innovation Dr, Greenville, SC 29607. The listed phone number is (864) 603-6300.
What is Chelsea O'brien's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Chelsea O'brien enrolled in Medicare?
Yes. Chelsea O'brien 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 Chelsea O'brien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chelsea O'brien reassigns Medicare benefits to 2 organizations: St Francis Hospital Inc (Greenville, SC) and Bon Secours Medical Group Greenville Specialty Care LLC (Greenville, 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 Chelsea O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chelsea O'brien accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, First Choice Next and Molina Healthcare and 2 other insurers list Chelsea O'brien 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 Chelsea O'brien affiliated with any hospitals?
According to CMS data, Chelsea O'brien is affiliated with St Francis-Downtown.
When was this NPI record last updated?
The NPPES record for Chelsea O'brien was last updated on December 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Chelsea O'brien, NP · NPI 1245942002
Acute Care physician in Greenville, South Carolina. Individual provider, active in the CMS NPPES registry since December 22, 2022.
## Identity
- **NPI:** 1245942002 (Entity type: Individual)
- **Enumerated:** December 22, 2022
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 26691 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 104 INNOVATION DR, Greenville, SC 29607-5253
- **Phone:** (864) 603-6300
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): St Francis Hospital Inc (NPI 1659175719, Greenville, SC); Bon Secours Medical Group Greenville Specialty Care LLC (NPI 1821679580, Greenville, SC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** December 22, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1245942002) · Data from the CMS NPPES public registry.