Marjorie A. Chorness, MD
Obstetrics & Gynecology Physician · Greer, SC
Marjorie A. Chorness, MD is an obstetrics & gynecology physician with a practice address in Greer, South Carolina, and NPI 1790760379, issued on Dec 7, 2005. Check the license (South Carolina 17267, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Marjorie A. Chorness
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 17267 SC
Self-reported in NPPES; status is on the state search - Practice location
- 420 The Parkway, Greer, SC 29650
- Phone
- (864) 662-5000
- Enumerated
- Dec 7, 2005
- Record last updated
- Dec 21, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (864) 662-5008
- Medicaid ID
- 172672 SC
- Medicare enrollment
- Enrolled (PECOS I20120215000858); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1988
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 752 in South Carolina → Look up another NPI →
Also registered at 420 The Parkway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marjorie A. Chorness in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 17267Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
116 Medicare Part D claims for 33 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Progesterone25 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $26.57
1 payment: food and beverage; the largest payer was Mayne Pharma Commercial LLC. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Marjorie A. Chorness among 752 obstetrics & gynecology physician records in South Carolina
Marjorie A. Chorness, MD is one of 752 obstetrics & gynecology physician records with a practice address in South Carolina. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1988 · median 2006 among the 477 with a school on file
- Record last updated2015 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in South Carolina
There are 752 obstetrics & gynecology physician records in South Carolina.
All 752 in South Carolina → Every provider in Greer → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- James Cowart, MDGreer, SC 296501578507877
- Nigel Delahunty, MDGreer, SC 296501629013578
- Jason Hill, DOGreer, SC 296501699205203
- Judy Hoopes, MDGreer, SC 296501750949996
- Kelly McClure, DOGreer, SC 296501770075350
- Jennifer Simpson, M.D.Greer, SC 296501508186321
- Teodora Stoikov, MDGreer, SC 296501346865839
- Jonathan Thomas, MDGreer, SC 296501720728223
Common questions
What is Marjorie A. Chorness, MD's NPI number?
Marjorie A. Chorness, MD's National Provider Identifier (NPI) is 1790760379, issued on Dec 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marjorie A. Chorness, MD located?
The NPPES record lists a practice address at 420 The Parkway, Greer, SC, 29650. Phone: (864) 662-5000. Providers update this record themselves, so call before visiting.
How can I verify Marjorie A. Chorness, MD's license?
NPPES lists South Carolina license number 17267, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marjorie A. Chorness, MD prescribe under Medicare Part D?
In 2024, Marjorie A. Chorness, MD had 116 Medicare Part D claims for 33 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.