MARJORIE A CHORNESS MD
NPI 1790760379
Obstetrics & Gynecology in Greer, SC
About Marjorie A Chorness Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARJORIE A CHORNESS MD (NPI 1790760379) is an individual obstetrics & gynecology provider in Greer, South Carolina, licensed in South Carolina (17267) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS, is affiliated with St Francis-downtown, and is a graduate of Medical College Of Wisconsin (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Marjorie A Chorness 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 Marjorie Chorness 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
- Medicare enrollment name: Blossom Obstetrics Gynecology & Infertility PA
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 3
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Francis-Downtown
Acute Care Hospitals · Greenville, SCPrisma Health Greenville Memorial Hospital
Acute Care Hospitals · Greenville, SCPrisma Health Patewood Hospital
Acute Care Hospitals · Greenville, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29650 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 5
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 Marjorie Chorness's NPI number?
The NPI number for Marjorie Chorness is 1790760379. It was assigned to this individual provider in the NPPES registry on December 7, 2005.
Where is Marjorie Chorness located?
Marjorie Chorness practices at 420 The Parkway Suite C, Greer, SC 29650. The listed phone number is (864) 662-5000.
What is Marjorie Chorness's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Marjorie Chorness enrolled in Medicare?
Yes. Marjorie Chorness 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 Marjorie Chorness's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marjorie Chorness reassigns Medicare benefits to Blossom Obstetrics, Gynecology & Infertility, P.A. (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 Marjorie Chorness's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marjorie Chorness accept?
Health plans from First Choice Next and UnitedHealthcare list Marjorie Chorness 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 Marjorie Chorness affiliated with any hospitals?
According to CMS data, Marjorie Chorness is affiliated with St Francis-Downtown, Prisma Health Greenville Memorial Hospital and Prisma Health Patewood Hospital.
When was this NPI record last updated?
The NPPES record for Marjorie Chorness was last updated on December 21, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Marjorie A Chorness, MD · NPI 1790760379
Obstetrics & Gynecology physician in Greer, South Carolina. Individual provider, active in the CMS NPPES registry since December 7, 2005.
## Identity
- **NPI:** 1790760379 (Entity type: Individual)
- **Enumerated:** December 7, 2005
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 17267 (South Carolina)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 420 THE PARKWAY, SUITE C, Greer, SC 29650
- **Phone:** (864) 662-5000 · **Fax:** (864) 662-5008
## 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:** Blossom Obstetrics, Gynecology & Infertility, P.A. (NPI 1437361557, Greer, SC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 1988
## Record status
- **NPPES last updated:** December 21, 2015
- **Other identifiers:** Medicare PIN F162587339 (SC); Medicare UPIN F16258 (SC); Medicaid 172672 (SC)
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Source: [NPI Profile](https://npiprofile.com/npi/1790760379) · Data from the CMS NPPES public registry.