NPPES file of Aug 9, 2026

James Thompson McClain, M.D.

Hematology & Oncology Physician · Anderson, SC

James Thompson McClain, M.D. is a hematology & oncology physician with a practice address in Anderson, South Carolina, and NPI 1528320918, issued on Jun 12, 2012. Check the license (South Carolina 34792, 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
1528320918
Name
James Thompson McClain
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
34792 SC
2016-01900 NC
210091 NC
Self-reported in NPPES; status is on the state search
Practice location
2000 E Greenville St Ste 5000, Anderson, SC 29621
Phone
(864) 224-5765
Enumerated
Jun 12, 2012
Record last updated
Jan 28, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(864) 512-4933
Medicare enrollment
Enrolled (PECOS I20180622002161); accepts Medicare assignment
Medical or professional school
Medical University Of South Carolina College Of Medicine, 2012
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 2000 E Greenville St Ste 5000

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

  1. Carla Holmes, APRNAcute Care Nurse Practitioner1356850887
  2. Margaret Kelley, FNP-BCFamily Nurse Practitioner1396159133

Verify James Thompson McClain 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 34792
    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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91% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,672 Medicare Part D claims for 330 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 43 claims were for opioids.

  1. James McClain1,672
  2. Specialty average877

Most prescribed

  1. Anastrozole142 claims
  2. Dexamethasone117 claims
  3. Eliquis83 claims
  4. Calquence64 claims
  5. Hydroxyurea63 claims
  6. Tagrisso51 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score100.0
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $5,004.42

212 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. James McClain$5,004.42
  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.

Bills Medicare through one group practice

  1. Anderson Oncology-Hematology Clinic PAAnderson, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

James Thompson McClain among 181 hematology & oncology physician records in South Carolina

James Thompson McClain, M.D. 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 2012, is newer than 74% of them.

  • NPI issued2012 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2012 · median 2006 among the 139 with a school on file
  • Record last updated2021 · 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. Szabolcs Batizy, M.D.Anderson, SC 296211467428607
  2. Jeffrey Delo, MDAnderson, SC 296211295776383
  3. John Doster, M.D.Anderson, SC 296211982670147
  4. Pramod Ganta, MDAnderson, SC 296211841236395
  5. Rajeev Malik, M.D.Anderson, SC 296211063488203
  6. Jay Nayak, M.D.Anderson, SC 296211427275437
  7. Britt Bolemon, M.D.Greenville, SC 296151679593966
  8. Saeeda Chowdhury, M.D.Greenville, SC 296151134125818

Common questions

What is James Thompson McClain, M.D.'s NPI number?

James Thompson McClain, M.D.'s National Provider Identifier (NPI) is 1528320918, issued on Jun 12, 2012. An NPI identifies a provider in billing; it is not a license.

Where is James Thompson McClain, M.D. located?

The NPPES record lists a practice address at 2000 E Greenville St Ste 5000, Anderson, SC, 29621. Phone: (864) 224-5765. Providers update this record themselves, so call before visiting.

How can I verify James Thompson McClain, M.D.'s license?

NPPES lists South Carolina license number 34792, 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 James Thompson McClain, M.D. prescribe under Medicare Part D?

In 2024, James Thompson McClain, M.D. had 1,672 Medicare Part D claims for 330 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is James Thompson McClain, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.