Dr. Clarence W. Legerton III, MD
- Medicare services, 2023
- 47,483
- Part D claims, 2024
- 14
- Publications
- 3
- Clinical trials
- 5
- MIPS score, 2024
- 86
- Practice address
- 2001 2nd Ave Suite 201 Suite 201, Summerville, SC 29486-7887
- Practice phone
- Call (843) 572-4840
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Articularis Rheumatology Specialists - Summerville
Multi-specialty group site · Summerville, South Carolina
Find Dr. Legerton's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Clarence W. Legerton III is a rheumatologist in Summerville, South Carolina
Dr. Legerton practices at Articularis Rheumatology Specialists - Summerville in Summerville, South Carolina.
Dr. Legerton's NPI, 1285732214, was assigned on September 21, 2006. Dr. Legerton graduated from Medical University of South Carolina College of Medicine in 1986. Dr. Legerton holds South Carolina license 16182.
- NPI
- 1285732214NPI Registry (opens in a new tab)
- NPI enumeration date
- September 21, 2006
- NPI status
- Active
- Practice phone
- (843) 572-4840
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Clarence W. Legerton III practices at Articularis Rheumatology Specialists - Summerville in Summerville, South Carolina
Dr. Legerton's primary practice is Articularis Rheumatology Specialists - Summerville, at 2001 2nd Ave Suite 201 Suite 201, Summerville, SC 29486-7887. The practice phone is (843) 572-4840.
- Articularis Rheumatology Specialists - Summerville2001 2nd Ave Suite 201 Suite 201, Summerville, SC 29486-7887Phone(843) 572-4840
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Clarence W. Legerton III is affiliated with 1 site of care and 1 medical group
Dr. Legerton's primary practice is Articularis Rheumatology Specialists - Summerville in Summerville, South Carolina. The medical group on file is Articularis Healthcare Group.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Clarence W. Legerton III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Legerton practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Articularis Rheumatology Specialists - Summerville | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Clarence W. Legerton III is one of 112 rheumatologists in South Carolina
Rheumatology is Dr. Legerton's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Legerton is licensed in South Carolina.
Specialties and state licenses
- Rheumatology, South CarolinaPrimary
Rheumatologists near Dr. Legerton
Counts of rheumatologists 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. Clarence W. Legerton III billed Medicare for 47,483 services in 2023
CMS data shows 47,483 Medicare services from Dr. Legerton across 22 procedure codes in 2023. Medicare paid $555,502 for them. Every service was in an office.
Dr. Legerton's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Drugs given in the office
- 2022: 117,9012023: 45,44861%
- Other services
- 2022: 6,0002023: 1,29079%
- Tests and treatments
- 2022: 1,1002023: 37266%
- Lab and pathology
- 2022: 1,2432023: 21383%
- Office and hospital visits
- 2022: 4122023: 11572%
- Surgery
- 2022: 2482023: 2490%
- Imaging
- 2022: 1642023: 2187%
Dr. Legerton compared with the South Carolina median for rheumatologists, 2023
- Dr. Legerton
- South Carolina median
- Medicare services
- 47,483vs 2,86016.6 times
- Part D claims
- 246vs 1,14779% below
Medians across 115 rheumatologists in South Carolina with Dmand AI profiles that report each measure.
Dr. Legerton's 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. Legerton and other rheumatologists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Clarence W. Legerton III's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Legerton's median patient age at 67, with 75% women.
Dr. Legerton's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women75%
- Men23%
Source: Dmand AI Patient Panel Data
Dr. Clarence W. Legerton III wrote 14 Medicare Part D claims in 2024
In 2024, Dr. Legerton wrote 14 Medicare Part D claims. 86% of them were for generic drugs. They cover 8 drugs, with $147,196 in total drug cost. In 2022, CMS named 793 claims across 18 drugs.
Dr. Legerton's Part D claims by kind of drug, 2024
- Generic12 claims86%
- Brand-name and other2 claims14%
Dr. Legerton's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 7932023: 24669%
Drugs named by CMS: 8 in 2023, 18 in 2022.
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. Clarence W. Legerton III scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Legerton for performance year 2024, reported as part of a group.
Dr. Legerton's MIPS scores, performance year 2024
- 86of 100Final score
- 77.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
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. Clarence W. Legerton III has 3 publications on record
Dmand AI links 3 papers to Dr. Legerton, published from 2014 to 2024. Dr. Legerton's most frequent co-authors are Jane H. Box, MD, Mark Christopher Genovese, MD and Robert Michael Valente, MD.
Dr. Legerton's papers by year, 2014 to 2024
Dr. Legerton's most frequent co-authors
- Jane H. Box, MD2 shared papers
- Mark Christopher Genovese, MD2 shared papers
- Robert Michael Valente, MD2 shared papers
Recent publications by Dr. Legerton
See who Dr. Legerton researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Legerton works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Clarence W. Legerton III has worked on 5 clinical trials
Dmand AI links Dr. Legerton to 5 clinical trials. Conditions studied include Axial Spondyloarthritis, Arthritis, Rheumatoid and Spondylitis, Ankylosing. Eli Lilly and Company sponsors the most, 4. Open Payments lists research payments to Dr. Legerton that name 3 trials.
Conditions in Dr. Legerton's trials
- Axial Spondyloarthritis
- Arthritis, Rheumatoid
- Spondylitis, Ankylosing
- Rheumatic Diseases
- Ankylosis
Investigators on the most trials with Dr. Legerton
- Jeffrey L. Kaine, MD4 shared trials
- Daksha P. Mehta, MD4 shared trials
- Kathleen P. Flint, MD3 shared trials
Recent clinical trials with Dr. Legerton
A Phase III Transition Study of DRL Rituximab to Reference Medicinal Products (opens in a new tab)
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Clarence W. Legerton III received $2,914,309 in industry payments from 2016 to 2025
CMS Open Payments shows 666 general payments to Dr. Legerton from 32 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 50% of the total. American Rheumatology Network, LLC paid the most, $2,821,148. It also lists 7 research payments totaling $12,946 from 2017 to 2021, naming 3 clinical trials.
General payments to Dr. Legerton by program year, 2016 to 2025
General payments to Dr. Legerton by kind, 2016 to 2025
- Consulting fees$1,447,84750%
- Ownership or investment$748,61126%
- Royalties and licenses$624,22122%
- Speaker and faculty fees$46,9002%
- Other$34,9811%
Companies that paid Dr. Legerton the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Clarence W. Legerton III graduated from Medical University of South Carolina College of Medicine
Dr. Legerton graduated from Medical University of South Carolina College of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Clarence W. Legerton III'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 | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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. Clarence W. Legerton III
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. Clarence W. Legerton III's NPI number?
Dr. Clarence W. Legerton III's NPI number is 1285732214. It was assigned on September 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Clarence W. Legerton III?
Dr. Clarence W. Legerton III is a rheumatologist in Summerville, South Carolina. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Clarence W. Legerton III practice?
Dr. Legerton practices at 2001 2nd Ave Suite 201 Suite 201, Summerville, SC 29486-7887. Dr. Legerton's primary practice is Articularis Rheumatology Specialists - Summerville in Summerville, South Carolina.
What is Dr. Clarence W. Legerton III's office phone number?
The practice phone on file for Dr. Legerton is (843) 572-4840.
What is Dr. Clarence W. Legerton III's medical license number?
Dr. Legerton holds South Carolina license 16182.
What medical group is Dr. Clarence W. Legerton III part of?
Dr. Legerton is linked to Articularis Healthcare Group.
Does Dr. Clarence W. Legerton III accept Medicare?
Yes. CMS data shows Dr. Legerton billed Medicare for 47,483 services in 2023.
What is Dr. Clarence W. Legerton III's MIPS score?
Dr. Legerton's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
What services does Dr. Clarence W. Legerton III bill to Medicare?
In 2023, Dr. Legerton's most billed Medicare services were injected or infused drug (J3262), injected or infused drug (J1602) and injected or infused drug (J0717).
Where did Dr. Clarence W. Legerton III go to medical school?
Dr. Legerton graduated from Medical University of South Carolina College of Medicine in 1986.
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What drugs does Dr. Clarence W. Legerton III prescribe most?
In 2023 Medicare Part D data, Dr. Legerton's most prescribed drugs by claims were Hydroxychloroquine Sulfate, Prednisone and Methotrexate.
Has Dr. Clarence W. Legerton III received payments from drug or device companies?
CMS Open Payments shows $2,914,309 in general payments to Dr. Legerton from 32 companies from 2016 to 2025. The largest total came from American Rheumatology Network, LLC.
How long has Dr. Clarence W. Legerton III been practicing?
Dr. Legerton graduated from medical school in 1986, 40 years ago.
Does Dr. Clarence W. Legerton III do research?
Dmand AI links 3 publications to Dr. Legerton, published from 2014 to 2024. Dr. Legerton has worked on 5 clinical trials.
Who does Dr. Clarence W. Legerton III publish with?
Dr. Legerton's most frequent co-authors are Jane H. Box, MD (2 shared papers), Mark Christopher Genovese, MD (2 shared papers) and Robert Michael Valente, MD (2 shared papers).
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