Mary Darcy Slizewski, M.D.
Obstetrics & Gynecology Physician · Greenville, SC
Mary Darcy Slizewski, M.D. is an obstetrics & gynecology physician with a practice address in Greenville, South Carolina, and NPI 1053750596, issued on Jun 18, 2013. Check the license (South Carolina 35758, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mary Darcy Slizewski
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 35758 SC
LL35758 SC
Self-reported in NPPES; status is on the state search - Practice location
- 890 W Faris RD Ste 330, Greenville, SC 29605
- Phone
- (864) 455-7887
- Enumerated
- Jun 18, 2013
- Record last updated
- Jun 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (864) 455-6875
- Medicare enrollment
- Enrolled (PECOS I20170829001838); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 752 in South Carolina → Look up another NPI →
Also registered at 890 W Faris RD Ste 330
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Caroline Geiger, MDObstetrics & Gynecology Physician1184129645
- Kristine Haddon, M.DObstetrics & Gynecology Physician1831757061
- Kimberly Lowe, APRNFamily Nurse Practitioner1306373741
- Carrie Twedt, M.D.Obstetrics & Gynecology Physician1841228277
Verify Mary Darcy Slizewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 35758Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
69 Medicare Part D claims for 21 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluconazole25 claims
- Estradiol23 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: $37.74
2 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. 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.
Bills Medicare through one group practice
- Prisma Health University Medical GroupGreenville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Darcy Slizewski among 752 obstetrics & gynecology physician records in South Carolina
Mary Darcy Slizewski, M.D. 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 2013, is newer than 66% of them.
- NPI issued2013 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2013 · median 2006 among the 477 with a school on file
- Record last updated2021 · 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).
152 obstetrics & gynecology physician records list a practice address in Greenville
They are 152 of the 10,264 NPPES records with a practice address in Greenville, and 752 obstetrics & gynecology physician records in South Carolina.
All 752 in South Carolina → Every provider in Greenville → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Jonathan Bailey, M.D.Greenville, SC 296051487697504
- William Coleman, M.D.Greenville, SC 296051275572588
- Leroy Cook, M.D.Greenville, SC 296051184651986
- Lauren Demosthenes, M.D.Greenville, SC 296051871538629
- Bruce Drukker, M.D.Greenville, SC 296051285671115
- Thompson Gailey, M.D.Greenville, SC 296051336188382
- Roger Gower, M.D.Greenville, SC 296051164462511
- George Helmrich, MDGreenville, SC 296051700828316
Common questions
What is Mary Darcy Slizewski, M.D.'s NPI number?
Mary Darcy Slizewski, M.D.'s National Provider Identifier (NPI) is 1053750596, issued on Jun 18, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Mary Darcy Slizewski, M.D. located?
The NPPES record lists a practice address at 890 W Faris RD Ste 330, Greenville, SC, 29605. Phone: (864) 455-7887. Providers update this record themselves, so call before visiting.
How can I verify Mary Darcy Slizewski, M.D.'s license?
NPPES lists South Carolina license number 35758, 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 Mary Darcy Slizewski, M.D. prescribe under Medicare Part D?
In 2024, Mary Darcy Slizewski, M.D. had 69 Medicare Part D claims for 21 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.