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Internal Medicine

James C. Thompson Jr., MD

Works at hospitals in Gaffney, SC · Greer, SC · Spartanburg, SC … · South Carolina

Summary

Dr. James C. Thompson Jr., MD is an internal medicine doctor at 120 Heywood Ave, Suite 200, Spartanburg, SC 29302. Phone: (864) 573-9595. Accepts Medicare assignment. In 2024, James C. Thompson Jr. had 371 Original Medicare patients and 2,426 services. NPI 1881666790. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about James C. Thompson Jr., joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does James C. Thompson Jr. accept Medicare assignment?
Yes. Medicare's clinician data says James C. Thompson Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does James C. Thompson Jr. see?
In 2024, CMS data shows 371 Original Medicare patients and 2,426 services for James C. Thompson Jr.. This counts Original Medicare only and measures volume, not quality.
What is James C. Thompson Jr.'s NPI number?
1881666790. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for James C. Thompson Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients371
Services billed to Medicare2,426
Different services or procedures59
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)575 services
  2. Insertion of needle into vein for collection of blood sample (36415)417 services
  3. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)242 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)228 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)171 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol70%
  • Arthritis41%
  • Diabetes28%
  • Ischemic heart disease23%
  • Anxiety23%

Hospitals where James C. Thompson Jr. works

Medicare's Facility Affiliation Data lists James C. Thompson Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Cherokee Medical CenterGaffney, SC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 420043
  • Pelham Medical CenterGreer, SC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 420103
  • Spartanburg Medical CenterSpartanburg, SC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 420007
  • Union Medical CenterUnion, SC · Acute Care Hospital · Emergency services: listed by Medicare · CCN 420108

Practice locations

Addresses where James C. Thompson Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists James C. Thompson Jr. as a member of this group (CMS data updated October 2, 2026).

  • Spartanburg Medical Center1,078 clinicians in the group

Specialties

Find other Internal Medicine doctors in South Carolina →

Other internal medicine doctors in Spartanburg

Clinicians with the same Medicare primary specialty in Spartanburg, SC — not a recommendation.

All internal medicine doctors in Spartanburg →

Other clinicians in Spartanburg Medical Center

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of South Carolina School Of Medicine
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1881666790
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians