Dr. Stephen Mark Thomas, MD
- Medicare services, 2024
- 2,232
- Medicare patients, 2024
- 289
- Part D claims, 2024
- 16,814
- MIPS score, 2024
- 80
- Hospital affiliations
- 3
- 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
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. Stephen Mark Thomas is a family medicine physician in Charleston, South Carolina
Dr. Thomas practices at MUSC University Hospital in Charleston, South Carolina.
Dr. Thomas' NPI, 1508956673, was assigned on October 12, 2006. Dr. Thomas graduated from Baylor College Of Medicine in 2005. Dr. Thomas holds South Carolina license 28138.
- NPI
- 1508956673NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143313668
- NPI enumeration date
- October 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (843) 792-1414
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Mark 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. Stephen Mark Thomas is affiliated with 10 sites of care and 2 medical groups
Dr. Thomas' primary practice is MUSC University Hospital in Charleston, South Carolina. Dr. Thomas is also affiliated with MUSC Health University Medical Center. The medical group on file is Curana Health. Dmand AI also links Dr. Thomas to 2 more hospitals, 3 home health agencies, 1 physician office, 1 group practice or clinic, 1 hospice and 1 medical group, each 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. Stephen Mark Thomas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MUSC University Hospital | Available with a free account |
| +9 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen Mark Thomas is one of 2,356 family medicine physicians in South Carolina
Family medicine is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Thomas is board certified in family medicine by the American Board of Family Medicine. Dr. Thomas is licensed in South Carolina.
Specialties and state licenses
- Family medicine, South CarolinaPrimary
Clinical focus
Dmand AI lists acid reflux, alzheimer's disease, aneurysm, anxiety, arthritis, asthma, atrial fibrillation and flutter and bipolar disorder among the conditions Dr. Thomas treats.
Family medicine physicians near Dr. Thomas
Counts of family medicine physicians 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. Stephen Mark Thomas billed Medicare for 2,232 services in 2024
CMS data shows 2,232 Medicare services from Dr. Thomas across 6 procedure codes in 2024, for 289 Medicare patients. Medicare paid $285,846 for them. Every service was in an office.
Dr. Thomas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,2122024: 2,1861%
- Other services
- 2023: 1222024: 4662%
Dr. Thomas compared with the South Carolina median for family medicine physicians, 2024
- Dr. Thomas
- South Carolina median
- Medicare services
- 2,232vs 7443.0 times
- Medicare patients
- 289vs 23225% above
- Part D claims
- 16,117vs 1,02315.8 times
Medians across 2,295 family medicine physicians in South Carolina with Dmand AI profiles that report each measure.
Dr. Thomas' 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thomas and other family medicine physicians in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen Mark Thomas treated 289 Medicare patients in 2024, average age 84
CMS counts 289 Medicare patients who saw Dr. Thomas in 2024. The largest group is 85 and over, with 143 patients. 75% of them have alzheimer's and dementia, and 75% have high blood pressure. Their average risk score is 1.73, 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. Thomas' median patient age at 84, with 67% women.
Dr. Thomas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Thomas' Medicare patients by sex, 2024
- Women20270%
- Men8730%
Chronic conditions among Dr. Thomas' Medicare patients, 2024
- Alzheimer's and dementia75%
- High blood pressure75%
- High cholesterol75%
- Anxiety60%
- Mood disorders58%
- Arthritis57%
- Depression57%
- Chronic kidney disease36%
Share of Medicare patients with each condition. A patient can have several.
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 84
Patient panel by sex, all payers
- Women67%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen Mark Thomas wrote 16,814 Medicare Part D claims in 2024
In 2024, Dr. Thomas wrote 16,814 Medicare Part D claims for 519 patients. 89% of them were for generic drugs. CMS names the drug for 16,117 of them, across 178 drugs with 11 or more claims each, at $847,250 in total drug cost. In 2023, CMS named 12,566 claims across 164 drugs.
Dr. Thomas' Part D claims by kind of drug, 2024
- Generic14,917 claims89%
- Brand-name1,856 claims11%
- Other41 claims0%
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.
Drug classes CMS tracks in Dr. Thomas' Part D claims, 2024
- Opioids2%286 of 16,814 claims
- Antibiotics3%557 of 16,814 claims
- Antipsychotics, patients 65 and over7%1,143 of 16,814 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: 12,5662024: 16,11728%
Drugs named by CMS: 178 in 2024, 164 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. Stephen Mark Thomas scored 80 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Thomas for performance year 2024, reported individually. Dr. Thomas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Thomas' MIPS scores, performance year 2024
- 80of 100Final score
- 91.1of 100Quality
- 92of 100Promoting Interoperability
- 40of 100Improvement Activities
- 40of 100Cost
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. Stephen Mark Thomas received $2,073 in industry payments from 2016 to 2021
CMS Open Payments shows 150 general payments to Dr. Thomas from 35 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $214.
General payments to Dr. Thomas by program year, 2016 to 2021
Companies that paid Dr. Thomas the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen Mark Thomas has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Thomas, most recently CMS Stage 1 2012 in 2013.
Awards and honors for Dr. Thomas
- 2013
- CMS Stage 1 2012
- NCQA PCMH
- 2012
- NCQA PPC
Source: Dmand AI Professional Profile Data
Dr. Stephen Mark Thomas graduated from Baylor College Of Medicine
Dr. Thomas graduated from Baylor College Of Medicine in 2005.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Stephen Mark Thomas accepts plans from 4 insurance carriers
Dr. Thomas is in network with 4 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
Plan types Dr. Thomas accepts, by number of carriers
- HMO4
- POS4
- PPO4
- EPO3
- Medicare3
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephen Mark 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Stephen Mark 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. Stephen Mark Thomas' NPI number?
Dr. Stephen Mark Thomas' NPI number is 1508956673. It was assigned on October 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Mark Thomas?
Dr. Stephen Mark Thomas is a family medicine physician in Charleston, South Carolina. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Stephen Mark 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 2 hospitals, 3 home health agencies, 1 physician office, 1 group practice or clinic, 1 hospice and 1 medical group.
What is Dr. Stephen Mark Thomas' office phone number?
The practice phone on file for Dr. Thomas is (843) 792-1414.
What is Dr. Stephen Mark Thomas' medical license number?
Dr. Thomas holds South Carolina license 28138.
Which hospitals is Dr. Stephen Mark Thomas affiliated with?
Dr. Thomas is affiliated with MUSC Health University Medical Center. Dmand AI links Dr. Thomas to 2 more hospitals.
What medical group is Dr. Stephen Mark Thomas part of?
Dr. Thomas is linked to Curana Health. Dmand AI links Dr. Thomas to 1 more medical group.
Does Dr. Stephen Mark Thomas accept Medicare?
Yes. CMS data shows Dr. Thomas billed Medicare for 2,232 services in 2024, and Dr. Thomas accepts Medicare assignment.
What is Dr. Stephen Mark Thomas' MIPS score?
Dr. Thomas' MIPS final score for performance year 2024 is 80 out of 100, reported individually.
How many Medicare patients does Dr. Stephen Mark Thomas see?
CMS counts 289 Medicare patients who saw Dr. Thomas in 2024, with an average age of 84.
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Is Dr. Stephen Mark Thomas board certified?
Yes. Dr. Thomas is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Stephen Mark Thomas bill to Medicare?
In 2024, Dr. Thomas' most billed Medicare services were home visit (99350), home visit (99349) and home visit (99345).
Where did Dr. Stephen Mark Thomas go to medical school?
Dr. Thomas graduated from Baylor College Of Medicine in 2005.
What drugs does Dr. Stephen Mark Thomas prescribe most?
In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Quetiapine Fumarate.
Has Dr. Stephen Mark Thomas received payments from drug or device companies?
CMS Open Payments shows $2,073 in general payments to Dr. Thomas from 35 companies from 2016 to 2021. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Stephen Mark Thomas been practicing?
Dr. Thomas graduated from medical school in 2005, 21 years ago.
What insurance does Dr. Stephen Mark Thomas accept?
Dr. Thomas is in network with 4 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 4. Check the plan with the practice before a visit.
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