NPPES file of Aug 9, 2026

Steven William Corso, MD

Hematology & Oncology Physician · Spartanburg, SC

Steven William Corso, MD is a hematology & oncology physician with a practice address in Spartanburg, South Carolina, and NPI 1407858467, issued on Jun 2, 2005. Check the license (South Carolina 19093, 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
1407858467
Name
Steven William Corso
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
19093 SC
Self-reported in NPPES; status is on the state search
Practice location
101 E Wood St, Spartanburg, SC 29303
Phone
(864) 560-7050
Enumerated
Jun 2, 2005
Record last updated
Dec 14, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(864) 560-0800
Medicaid IDs
190938 SC
690539V NC
Medicare enrollment
Enrolled (PECOS I20090303000224); accepts Medicare assignment
Medical or professional school
University Of South Carolina School Of Medicine, 1988
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 Steven William Corso 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 19093
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.2 times the Medicare Part D claims of the average hematology & oncology physician in 2024

2,805 Medicare Part D claims for 531 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 128 claims were for opioids.

  1. Steven Corso2,805
  2. Specialty average877

Most prescribed

  1. Anastrozole653 claims
  2. Letrozole412 claims
  3. Tamoxifen Citrate347 claims
  4. Ibandronate Sodium241 claims
  5. Eliquis82 claims
  6. Gabapentin57 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: $2,614.30

83 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Steven Corso$2,614.30
  2. Specialty average$7,481.41

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.

Steven William Corso among 181 hematology & oncology physician records in South Carolina

Steven William Corso, MD is one of 181 hematology & oncology physician records with a practice address in South Carolina. 86% 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, 79% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated1988 · median 2006 among the 139 with a school on file
  • Record last updated2020 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in South Carolina

There are 181 hematology & oncology physician records in South Carolina.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Samuel Adediran, M.D.,Spartanburg, SC 293031811259096
  2. Isaac Alwine, M.D.Spartanburg, SC 293031619364668
  3. James Bearden, MDSpartanburg, SC 293031447256730
  4. Charles Bowers, MDSpartanburg, SC 293031942204334
  5. Tondre Buck, M.D.Spartanburg, SC 293031003027764
  6. Vikas Dembla, M.D.Spartanburg, SC 293031013128792
  7. Michael Humeniuk, MDSpartanburg, SC 293031942594155
  8. Ki Chung, MDSpartanburg, SC 293071336110113

Common questions

What is Steven William Corso, MD's NPI number?

Steven William Corso, MD's National Provider Identifier (NPI) is 1407858467, issued on Jun 2, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Steven William Corso, MD located?

The NPPES record lists a practice address at 101 E Wood St, Spartanburg, SC, 29303. Phone: (864) 560-7050. Providers update this record themselves, so call before visiting.

How can I verify Steven William Corso, MD's license?

NPPES lists South Carolina license number 19093, 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 Steven William Corso, MD prescribe under Medicare Part D?

In 2024, Steven William Corso, MD had 2,805 Medicare Part D claims for 531 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Steven William Corso, MD'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.