NPPES file of Aug 9, 2026

Carlton Lewis Schwab, M.D.

Gynecologic Oncology Physician · Spartanburg, SC

Carlton Lewis Schwab, M.D. is a gynecologic oncology physician with a practice address in Spartanburg, South Carolina, and NPI 1700014982, issued on Jun 26, 2009. Check the license (South Carolina 31971, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700014982
Name
Carlton Lewis Schwab
Credential
M.D.
Primary taxonomy
Gynecologic Oncology Physician 207VX0201X
License numbers
31971 SC
LL31971 SC
Self-reported in NPPES; status is on the state search
Practice location
101 E Wood St, Spartanburg, SC 29303
Phone
(864) 560-1915
Enumerated
Jun 26, 2009
Record last updated
Dec 16, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(864) 560-1925
Medicaid ID
319710 SC
Medicare enrollment
Enrolled (PECOS I20160830000601); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 101 E Wood St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michelle Abel, PNP-PCNurse Practitioner1639977762
  2. Dustin Abele, M.D.Family Medicine Physician1851771349
  3. Elizabeth Abell, MDInfectious Disease Physician1083623805
  4. Martine Abouchabki, PHARMDPharmacist1952299356
  5. Samuel Adams, MDInternal Medicine Physician1568026607
  6. Samuel Adediran, M.D.,Hematology & Oncology Physician1811259096

Verify Carlton Lewis Schwab in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 31971
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the South Carolina license search

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4.9 times the Medicare Part D claims of the average gynecologic oncology physician in 2024

951 Medicare Part D claims for 248 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 56 claims were for opioids.

  1. Carlton Schwab951
  2. Specialty average195

Most prescribed

  1. Gabapentin123 claims
  2. Ondansetron Hcl118 claims
  3. Chlorhexidine Gluconate76 claims
  4. Estradiol72 claims
  5. Ibuprofen56 claims
  6. Oxycodone Hcl51 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.

The MIPS final score for 2023 (Medicare payment program): 96.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score92.2
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $277.77

12 payments; by number, the most common kind was food and beverage; the largest payer was Eisai Inc. The 1,199 providers of this specialty with any payment received $6,387.20 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Carlton Schwab$277.77
  2. Specialty average$6,387.20

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Spartanburg Medical CenterSpartanburg, SC · Acute Care Hospitals2 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Gynecologic Oncology Physician providers in South Carolina

There are 20 gynecologic oncology physician records in South Carolina.

Other gynecologic oncology physician records in South Carolina

  1. Courtney BaileyCharleston, SC1992116834
  2. Jeffrey Elder, MDGreenville, SC1457569923
  3. Michelle Ertel, M.D.Greenville, SC1467986240
  4. Jonathan Foote, M.D.Charleston, SC1477781334
  5. Whitney Graybill, MDCharleston, SC1851550305
  6. David Griffin, M.D.Anderson, SC1508823618
  7. James Hunter, M.D.Spartanburg, SC1437116548
  8. Thomas Jennings, MDCharleston, SC1316942857
  9. Ward Katsanis, MDCharleston, SC1659377851
  10. Nonna Kolomeyevskaya, MDAnderson, SC1962708644

Common questions

What is Carlton Lewis Schwab, M.D.'s NPI number?

Carlton Lewis Schwab, M.D.'s National Provider Identifier (NPI) is 1700014982, issued on Jun 26, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Carlton Lewis Schwab, M.D. located?

The NPPES record lists a practice address at 101 E Wood St, Spartanburg, SC, 29303. Phone: (864) 560-1915. Providers update this record themselves, so call before visiting.

How can I verify Carlton Lewis Schwab, M.D.'s license?

NPPES lists South Carolina license number 31971, 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 Carlton Lewis Schwab, M.D. prescribe under Medicare Part D?

In 2024, Carlton Lewis Schwab, M.D. had 951 Medicare Part D claims for 248 beneficiaries; the average among gynecologic oncology physician prescribers was 195. Part D covers Medicare prescriptions only.

What is Carlton Lewis Schwab, M.D.'s MIPS final score?

The 2023 MIPS final score is 96.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.