Dr. Charles Armistead Thompson, MD

  • Spartanburg, SC
  • Pulmonologist
NPI1851394597PAC ID2264334341
Medicare services, 2024
2,016
Medicare patients, 2024
393
Part D claims, 2024
9,216
Clinical trials
2
MIPS score, 2024
93
Practice address
151 Harold Fleming Ct, Spartanburg, SC 29303
Practice phone
Call (864) 540-8025
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Lung And Critical Care Specialists Of Anderson

Primary care practice · Spartanburg, South Carolina

See all 8 affiliations

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Dr. Charles Armistead Thompson is a pulmonologist in Spartanburg, South Carolina

Dr. Thompson practices at Lung And Critical Care Specialists Of Anderson in Spartanburg, South Carolina.

Dr. Thompson's NPI, 1851394597, was assigned on May 26, 2005. Dr. Thompson graduated from Baylor College of Medicine in 1985. Dr. Thompson holds South Carolina license 17521.

NPI and contact details
Medicare PAC ID
2264334341
NPI enumeration date
May 26, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(864) 540-8025
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
67
Medical school graduation
1985

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Charles Armistead Thompson practices at Lung and Critical Care Specialists of Anderson in Spartanburg, South Carolina

Dr. Thompson's primary practice is Lung and Critical Care Specialists of Anderson, at 151 Harold Fleming Ct, Spartanburg, SC 29303. The practice phone is (864) 540-8025.

  • Lung and Critical Care Specialists of Anderson
    151 Harold Fleming Ct, Spartanburg, SC 29303Phone(864) 540-8025

Source: Dmand AI Affiliation Data

Dr. Charles Armistead Thompson is affiliated with 5 sites of care and 3 medical groups

Dr. Thompson's primary practice is Lung And Critical Care Specialists Of Anderson in Spartanburg, South Carolina. Dr. Thompson is also affiliated with AnMed Medical Center. The medical group on file is MUSC Community Physicians. Dmand AI also links Dr. Thompson to 2 more hospitals, 2 medical groups and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Thompson

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Charles Armistead Thompson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thompson practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Lung And Critical Care Specialists Of AndersonAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Charles Armistead Thompson is one of 176 pulmonologists in South Carolina

Pulmonary disease is Dr. Thompson's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Thompson is licensed in South Carolina.

Specialties and state licenses

  • Pulmonary disease, South CarolinaPrimaryLicense 17521 · taxonomy 207RP1001X

Pulmonologists near Dr. Thompson

Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.

176pulmonologists in South Carolina
6pulmonologists in Spartanburg

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Charles Armistead Thompson billed Medicare for 2,016 services in 2024

CMS data shows 2,016 Medicare services from Dr. Thompson across 9 procedure codes in 2024, for 393 Medicare patients. Medicare paid $128,088 for them.

Medicare services, 20242,016
Medicare patients393
Paid by Medicare$128,088
Procedure codes9

Dr. Thompson's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,2952024: 1,3605%
Drugs given in the office
2023: 2,3742024: 44581%
Tests and treatments
2023: 4082024: 18954%
Surgery
2023: 422024: 2248%

Where Dr. Thompson's Medicare services took place, 2024

  • In an office1,99499%
  • In a facility221%

Dr. Thompson compared with the South Carolina median for pulmonologists, 2024

  • Dr. Thompson
  • South Carolina median
Medicare services
2,016vs 8882.3 times
Medicare patients
393vs 395Close to median
Part D claims
8,725vs 68412.8 times

Medians across 184 pulmonologists in South Carolina with Dmand AI profiles that report each measure.

Dr. Thompson's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Thompson

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Charles Armistead Thompson treated 393 Medicare patients in 2024, average age 73

CMS counts 393 Medicare patients who saw Dr. Thompson in 2024. The largest group is 65 to 74, with 169 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.69, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Thompson's median patient age at 70, with 59% women.

Medicare patients, 2024393
Average age73
Average risk score1.69
Also on Medicaid6%

Dr. Thompson's Medicare patients by age, 2024

Dr. Thompson's Medicare patients by sex, 2024

  • Women22658%
  • Men16742%

Chronic conditions among Dr. Thompson's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis59%
  4. COPD56%
  5. Asthma48%
  6. Diabetes44%
  7. Ischemic heart disease41%
  8. Anxiety37%

Share of Medicare patients with each condition. A patient can have several.

Dr. Thompson's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women59%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Charles Armistead Thompson wrote 9,216 Medicare Part D claims in 2024

In 2024, Dr. Thompson wrote 9,216 Medicare Part D claims for 713 patients. 72% of them were for generic drugs. CMS names the drug for 8,725 of them, across 115 drugs with 11 or more claims each, at $5,142,575 in total drug cost. In 2023, CMS named 7,836 claims across 112 drugs.

Part D claims, 20249,216
Drugs named by CMS115
Total drug cost$5.1M
Part D patients713

Dr. Thompson's Part D claims by kind of drug, 2024

  • Generic6,602 claims72%
  • Brand-name and other2,614 claims28%

Dr. Thompson's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Thompson's Part D claims, 2024

  • Opioids1%106 of 9,216 claims
  • Antibiotics18%1,685 of 9,216 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 7,8362024: 8,72511%

Drugs named by CMS: 115 in 2024, 112 in 2023.

See all prescribing by Dr. Thompson

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Charles Armistead Thompson scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Thompson for performance year 2024, reported individually. Dr. Thompson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Thompson as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Thompson's MIPS scores, performance year 2024

  • 93of 100Final score
  • 80.6of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Charles Armistead Thompson has worked on 2 clinical trials

Dmand AI links Dr. Thompson to 2 clinical trials. 1 is still active or recruiting. Conditions studied include Alzheimer Disease, COVID-19 and Pneumonia, Viral. Eli Lilly and Company sponsors the most, 2. Open Payments lists research payments to Dr. Thompson that name 2 trials.

Conditions in Dr. Thompson's trials

  • Alzheimer Disease
  • COVID-19
  • Pneumonia, Viral
  • Tauopathies

Investigators on the most trials with Dr. Thompson

Recent clinical trials with Dr. Thompson

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage

Dr. Charles Armistead Thompson received $26,935 in industry payments from 2016 to 2025

CMS Open Payments shows 1,226 general payments to Dr. Thompson from 62 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 86% of the total. AstraZeneca Pharmaceuticals LP paid the most, $3,858. It also lists 11 research payments totaling $134,565 from 2016 to 2023, naming 2 clinical trials.

General payments to Dr. Thompson by program year, 2016 to 2025

General payments to Dr. Thompson by kind, 2016 to 2025

$26.9Kin total
  • Food and beverage$23,08186%
  • Travel and lodging$3,34512%
  • Education$4762%
  • Speaker and faculty fees$180%
  • Consulting fees$140%

Companies that paid Dr. Thompson the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Thompson

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Charles Armistead Thompson graduated from Baylor College of Medicine

Dr. Thompson graduated from Baylor College of Medicine in 1985.

  1. Medical schoolBaylor College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Charles Armistead Thompson's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Clinical trials and co-investigatorsClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Charles Armistead Thompson

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Charles Armistead Thompson's NPI number?

Dr. Charles Armistead Thompson's NPI number is 1851394597. It was assigned on May 26, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Charles Armistead Thompson?

Dr. Charles Armistead Thompson is a pulmonologist in Spartanburg, South Carolina. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).

Where does Dr. Charles Armistead Thompson practice?

Dr. Thompson practices at 151 Harold Fleming Ct, Spartanburg, SC 29303. Dr. Thompson's primary practice is Lung And Critical Care Specialists Of Anderson in Spartanburg, South Carolina. Dmand AI also links Dr. Thompson to 2 hospitals, 2 medical groups and 1 group practice or clinic.

What is Dr. Charles Armistead Thompson's office phone number?

The practice phone on file for Dr. Thompson is (864) 540-8025.

What is Dr. Charles Armistead Thompson's medical license number?

Dr. Thompson holds South Carolina license 17521.

Which hospitals is Dr. Charles Armistead Thompson affiliated with?

Dr. Thompson is affiliated with AnMed Medical Center. Dmand AI links Dr. Thompson to 2 more hospitals.

What medical group is Dr. Charles Armistead Thompson part of?

Dr. Thompson is linked to MUSC Community Physicians. Dmand AI links Dr. Thompson to 2 more medical groups.

Does Dr. Charles Armistead Thompson accept Medicare?

Yes. CMS data shows Dr. Thompson billed Medicare for 2,016 services in 2024, and Dr. Thompson accepts Medicare assignment.

Does Dr. Charles Armistead Thompson offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Thompson as offering telehealth services.

What is Dr. Charles Armistead Thompson's MIPS score?

Dr. Thompson's MIPS final score for performance year 2024 is 93 out of 100, reported individually.

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Charles Armistead Thompson see?

CMS counts 393 Medicare patients who saw Dr. Thompson in 2024, with an average age of 73.

What services does Dr. Charles Armistead Thompson bill to Medicare?

In 2024, Dr. Thompson's most billed Medicare services were office visit, established patient (99214), injected or infused drug (J3301) and infusion or chemotherapy administration (96372).

Where did Dr. Charles Armistead Thompson go to medical school?

Dr. Thompson graduated from Baylor College of Medicine in 1985.

What drugs does Dr. Charles Armistead Thompson prescribe most?

In 2024 Medicare Part D data, Dr. Thompson's most prescribed drugs by claims were Azithromycin, Montelukast Sodium and Albuterol Sulfate Hfa.

Has Dr. Charles Armistead Thompson received payments from drug or device companies?

CMS Open Payments shows $26,935 in general payments to Dr. Thompson from 62 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Charles Armistead Thompson been practicing?

Dr. Thompson graduated from medical school in 1985, 41 years ago.

Does Dr. Charles Armistead Thompson do research?

Dr. Thompson has worked on 2 clinical trials.

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