$6,050 in research paymentsDiabetes Mellitus, Type 2Diabetes MellitusDS-8500a 25mgSitagliptin 100 mg
Dr. James C. Thomas, MD
NPI1154439008
- Medicare services, 2023
- 67
- Part D claims, 2024
- 219
- Clinical trials
- 1
- MIPS score, 2024
- 79
- Industry payments
- $48
- Practice address
- 171 Ashley Ave, Charleston, SC 29425
- Practice phone
- Call (843) 792-1414
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
MUSC University Hospital
Charleston, South Carolina
Find Dr. Thomas' professional email, personal email and mobile number
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Dr. James C. Thomas is an internist in Charleston, South Carolina
Dr. Thomas practices at MUSC University Hospital in Charleston, South Carolina.
Dr. Thomas' NPI, 1154439008, was assigned on August 29, 2006. Dr. Thomas graduated from Medical College of Georgia School of Medicine in 1970. Dr. Thomas holds South Carolina license 11196.
NPI and contact details
- NPI
- 1154439008NPI Registry (opens in a new tab)
- NPI enumeration date
- August 29, 2006
- NPI status
- Active
- Practice phone
- (843) 792-1414
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 82
- Medical school graduation
- 1970
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. James C. Thomas practices at MUSC University Hospital in Charleston, South Carolina
Dr. Thomas' primary practice is MUSC University Hospital, at 171 Ashley Ave, Charleston, SC 29425 in Charleston County. The practice phone is (843) 792-1414.
- MUSC University Hospital171 Ashley Ave, Charleston, SC 29425 · Charleston CountyPhone(843) 792-1414
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James C. Thomas is affiliated with 2 sites of care and 1 medical group
Dr. Thomas' primary practice is MUSC University Hospital in Charleston, South Carolina. The medical group on file is MUSC Health. Dmand AI also links Dr. Thomas to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. James C. Thomas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MUSC University Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James C. Thomas is one of 1,707 internists in South Carolina
Internal medicine is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Thomas is licensed in South Carolina.
Specialties and state licenses
- Internal medicine, South CarolinaPrimary
Internists near Dr. Thomas
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. James C. Thomas billed Medicare for 67 services in 2023
CMS data shows 67 Medicare services from Dr. Thomas across 1 procedure code in 2023, all of them office visits. Medicare paid $3,868 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202367
Paid by Medicare$3,868
Procedure codes1
Dr. Thomas' Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 772023: 6713%
Dr. Thomas compared with the South Carolina median for internists, 2023
- Dr. Thomas
- South Carolina median
- Medicare services
- 67vs 74091% below
- Part D claims
- 72vs 33178% below
Medians across 1,708 internists in South Carolina with Dmand AI profiles that report each measure.
Dr. Thomas' most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thomas and other internists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James C. Thomas' patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Thomas' median patient age at 69, with 52% women.
Dr. Thomas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. James C. Thomas wrote 219 Medicare Part D claims in 2024
In 2024, Dr. Thomas wrote 219 Medicare Part D claims for 37 patients. 82% of them were for generic drugs. CMS names the drug for 72 of them, across 4 drugs with 11 or more claims each, at $1,834 in total drug cost. In 2023, CMS named 332 claims across 16 drugs.
Part D claims, 2024219
Drugs named by CMS4
Total drug cost$1,834
Part D patients37
Dr. Thomas' Part D claims by kind of drug, 2024
- Generic180 claims82%
- Brand-name and other39 claims18%
Dr. Thomas' 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3322024: 7278%
Drugs named by CMS: 4 in 2024, 16 in 2023.
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. James C. Thomas scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Thomas for performance year 2024, reported as part of a group.
Dr. Thomas' MIPS scores, performance year 2024
- 79of 100Final score
- 62.4of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. James C. Thomas has worked on 1 clinical trial
Dmand AI links Dr. Thomas to 1 clinical trial. Conditions studied include Diabetes Mellitus, Type 2 and Diabetes Mellitus. Open Payments lists research payments to Dr. Thomas that name 1 trial.
Conditions in Dr. Thomas' trials
- Diabetes Mellitus, Type 2
- Diabetes Mellitus
Investigators on the most trials with Dr. Thomas
- Michael Ryan Adams, MD1 shared trial
- Mohammed A. Allaw, MD1 shared trial
- Madhavi Ampajwala, MD1 shared trial
Recent clinical trials with Dr. Thomas
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. James C. Thomas received $48 in industry payments in 2021
CMS Open Payments shows 2 general payments to Dr. Thomas from 2 drug and device companies in 2021. Entertainment make up the largest share, 70% of the total. Straumann USA LLC paid the most, $34. It also lists 3 research payments totaling $6,050 in 2016, naming 1 clinical trial.
General payments to Dr. Thomas by kind, 2021 to 2021
$48in total
- Entertainment$3470%
- Food and beverage$1430%
Companies that paid Dr. Thomas the most, 2021 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James C. Thomas graduated from Medical College of Georgia School of Medicine
Dr. Thomas graduated from Medical College of Georgia School of Medicine in 1970.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James C. Thomas's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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 percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. James C. Thomas
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. James C. Thomas' NPI number?
Dr. James C. Thomas' NPI number is 1154439008. It was assigned on August 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James C. Thomas?
Dr. James C. Thomas is an internist in Charleston, South Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. James C. Thomas practice?
Dr. Thomas practices at 171 Ashley Ave, Charleston, SC 29425. Dr. Thomas' primary practice is MUSC University Hospital in Charleston, South Carolina. Dmand AI also links Dr. Thomas to 1 group practice or clinic.
What is Dr. James C. Thomas' office phone number?
The practice phone on file for Dr. Thomas is (843) 792-1414.
What is Dr. James C. Thomas' medical license number?
Dr. Thomas holds South Carolina license 11196.
What medical group is Dr. James C. Thomas part of?
Dr. Thomas is linked to MUSC Health.
Does Dr. James C. Thomas accept Medicare?
Yes. CMS data shows Dr. Thomas billed Medicare for 67 services in 2023.
What is Dr. James C. Thomas' MIPS score?
Dr. Thomas' MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
What services does Dr. James C. Thomas bill to Medicare?
In 2023, Dr. Thomas' most billed Medicare services were office visit, established patient (99214).
Where did Dr. James C. Thomas go to medical school?
Dr. Thomas graduated from Medical College of Georgia School of Medicine in 1970.
Show 4 more questionsShow fewer questions
What drugs does Dr. James C. Thomas prescribe most?
In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Ezetimibe.
Has Dr. James C. Thomas received payments from drug or device companies?
CMS Open Payments shows $48 in general payments to Dr. Thomas from 2 companies from 2021 to 2021. The largest total came from Straumann USA LLC.
How long has Dr. James C. Thomas been practicing?
Dr. Thomas graduated from medical school in 1970, 56 years ago.
Does Dr. James C. Thomas do research?
Dr. Thomas has worked on 1 clinical trial.
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