Ann Thorac Surg
AcidosisAlprostadilAorta, Thoracic
Dr. Hugh M. Dennis, MD
NPI1346331295PAC ID2961473806
- Medicare services, 2024
- 51
- Medicare patients, 2024
- 45
- Part D claims, 2022
- 13
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 105 Vinecrest Ct, Greenwood, SC 29646
- Practice phone
- Call (864) 725-7900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Self Medical Group
Greenwood, South Carolina
Find Dr. Dennis' 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. Hugh M. Dennis is a cardiothoracic surgeon in Greenwood, South Carolina
Dr. Dennis practices at Self Medical Group in Greenwood, South Carolina.
Dr. Dennis' NPI, 1346331295, was assigned on September 27, 2006. Dr. Dennis graduated from Tulane School of Medicine in 1975. Dr. Dennis holds South Carolina license 26833.
NPI and contact details
- NPI
- 1346331295NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961473806
- NPI enumeration date
- September 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (864) 725-7900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hugh M. Dennis practices at Self Medical Group in Greenwood, South Carolina
Dr. Dennis' primary practice is Self Medical Group, at 105 Vinecrest Ct, Greenwood, SC 29646 in Greenwood County. The practice phone is (864) 725-7900.
- Self Medical Group105 Vinecrest Ct, Greenwood, SC 29646 · Greenwood CountyPhone(864) 725-7900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Hugh M. Dennis is affiliated with 5 sites of care and 4 medical groups
Dr. Dennis' primary practice is Self Medical Group in Greenwood, South Carolina. Dr. Dennis is also affiliated with Self Regional Healthcare. The medical group on file is Self Medical Group. Dmand AI also links Dr. Dennis to 3 more group practices and clinics and 3 medical groups, each named with a free account.
Self Medical GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Hugh M. Dennis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dennis practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Self Medical Group | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Hugh M. Dennis is one of 76 cardiothoracic surgeons in South Carolina
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Dennis' primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Dennis is board certified in thoracic and cardiac surgery by the American Board of Thoracic Surgery. Dmand AI has Dr. Dennis' licenses on file in 5 states: South Carolina, Florida, North Carolina, New York and Louisiana.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), South CarolinaPrimary
- Florida license
- North Carolina license
- New York license
- Louisiana license
Clinical focus
Dmand AI lists heart bypass surgery and heart valve surgery among the conditions Dr. Dennis treats.
Cardiothoracic surgeons near Dr. Dennis
Counts of cardiothoracic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
76cardiothoracic surgeons in South Carolina
3cardiothoracic surgeons in Greenwood
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Hugh M. Dennis billed Medicare for 51 services in 2024
CMS data shows 51 Medicare services from Dr. Dennis across 3 procedure codes in 2024, for 45 Medicare patients. Medicare paid $30,226 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202451
Medicare patients45
Paid by Medicare$30,226
Procedure codes3
Dr. Dennis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 782024: 5135%
- Office and hospital visits
- 2023: 122024: 0100%
Dr. Dennis compared with the South Carolina median for cardiothoracic surgeons, 2024
- Dr. Dennis
- South Carolina median
- Medicare services
- 51vs 23078% below
- Medicare patients
- 45vs 18375% below
- Part D claims
- 13vs 2650% below
Medians across 66 cardiothoracic surgeons in South Carolina with Dmand AI profiles that report each measure.
Dr. Dennis' 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.
Need commercial claims for Dr. Dennis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dennis and other cardiothoracic surgeons in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Hugh M. Dennis treated 45 Medicare patients in 2024, average age 75
CMS counts 45 Medicare patients who saw Dr. Dennis in 2024. The largest group is 75 to 84, with 20 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.50, 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. Dennis' median patient age at 77, with 66% women.
Medicare patients, 202445
Average age75
Average risk score1.50
Dr. Dennis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Dennis' Medicare patients by sex, 2024
- Women1431%
- Men3169%
Chronic conditions among Dr. Dennis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Atrial fibrillation58%
- Heart failure49%
- Arthritis40%
- Diabetes40%
- Anxiety33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dennis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women66%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Hugh M. Dennis wrote 13 Medicare Part D claims in 2022
In 2022, Dr. Dennis wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $21 in total drug cost. In 2021, CMS named 55 claims across 2 drugs.
Part D claims, 202213
Drugs named by CMS1
Total drug cost$21
Dr. Dennis' most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 552022: 1376%
Drugs named by CMS: 1 in 2022, 2 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Hugh M. Dennis takes part in Medicare
Dr. Dennis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Coronary artery bypass graft (CABG): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Hugh M. Dennis has 1 publication on record
Dmand AI links 1 paper to Dr. Dennis.
Papers1
Recent publications by Dr. Dennis
See who Dr. Dennis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dennis works with, so you can find a warm path to the right cardiothoracic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Hugh M. Dennis received $3,541 in industry payments from 2016 to 2025
CMS Open Payments shows 95 general payments to Dr. Dennis from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AtriCure, Inc. paid the most, $1,942.
General payments to Dr. Dennis by program year, 2016 to 2025
Companies that paid Dr. Dennis 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. Hugh M. Dennis has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Dennis, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Dennis
- 2013
- CMS Stage 1 EHR
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Hugh M. Dennis graduated from Tulane School of Medicine
Dr. Dennis graduated from Tulane School of Medicine in 1975. Dr. Dennis is a member of ACS.
- Medical school
- Board certified in thoracic and cardiac surgery
Source: Dmand AI Professional Profile Data
Dr. Hugh M. Dennis accepts plans from 19 insurance carriers
Dr. Dennis is in network with 19 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- HCSC
- United Healthcare
- Cigna
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- +11 more carriersWith a free account
Plan types Dr. Dennis accepts, by number of carriers
- PPO13
- Medicare11
- HMO9
- POS6
- EPO5
Source: Dmand AI Insurance Network Data
Sources for Dr. Hugh M. Dennis'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 DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 |
| 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. Hugh M. Dennis
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. Hugh M. Dennis' NPI number?
Dr. Hugh M. Dennis' NPI number is 1346331295. It was assigned on September 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Hugh M. Dennis?
Dr. Hugh M. Dennis is a cardiothoracic surgeon in Greenwood, South Carolina. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. Hugh M. Dennis practice?
Dr. Dennis practices at 105 Vinecrest Ct, Greenwood, SC 29646. Dr. Dennis' primary practice is Self Medical Group in Greenwood, South Carolina. Dmand AI also links Dr. Dennis to 3 group practices and clinics and 3 medical groups.
What is Dr. Hugh M. Dennis' office phone number?
The practice phone on file for Dr. Dennis is (864) 725-7900.
What is Dr. Hugh M. Dennis' medical license number?
Dr. Dennis holds South Carolina license 26833, one of the licenses on file in 5 states.
Which states has Dr. Hugh M. Dennis been licensed in?
Dmand AI has state licenses on file for Dr. Dennis in South Carolina (2004 to 2027), Florida (1982 to 2026), North Carolina (2002 to 2025), New York (2007 to 2009) and Louisiana (1975 to 1984).
Which hospitals is Dr. Hugh M. Dennis affiliated with?
Dr. Dennis is affiliated with Self Regional Healthcare.
What medical group is Dr. Hugh M. Dennis part of?
Dr. Dennis is linked to Self Medical Group. Dmand AI links Dr. Dennis to 3 more medical groups.
Does Dr. Hugh M. Dennis accept Medicare?
Yes. CMS data shows Dr. Dennis billed Medicare for 51 services in 2024, and Dr. Dennis accepts Medicare assignment.
How many Medicare patients does Dr. Hugh M. Dennis see?
CMS counts 45 Medicare patients who saw Dr. Dennis in 2024, with an average age of 75.
Show 8 more questionsShow fewer questions
Is Dr. Hugh M. Dennis board certified?
Yes. Dr. Dennis is board certified in thoracic and cardiac surgery by the American Board of Thoracic Surgery.
What services does Dr. Hugh M. Dennis bill to Medicare?
In 2024, Dr. Dennis' most billed Medicare services were surgery: heart and blood vessels (33508), surgery: heart and blood vessels (33533) and surgery: heart and blood vessels (33361).
Where did Dr. Hugh M. Dennis go to medical school?
Dr. Dennis graduated from Tulane School of Medicine in 1975.
What drugs does Dr. Hugh M. Dennis prescribe most?
In 2022 Medicare Part D data, Dr. Dennis' most prescribed drugs by claims were Amiodarone HCl.
Has Dr. Hugh M. Dennis received payments from drug or device companies?
CMS Open Payments shows $3,541 in general payments to Dr. Dennis from 14 companies from 2016 to 2025. The largest total came from AtriCure, Inc.
How long has Dr. Hugh M. Dennis been practicing?
Dr. Dennis graduated from medical school in 1975, 51 years ago.
Does Dr. Hugh M. Dennis do research?
Dmand AI links 1 publication to Dr. Dennis.
What insurance does Dr. Hugh M. Dennis accept?
Dr. Dennis is in network with 19 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
Selling to thoracic surgery (cardiothoracic vascular surgery) practices?
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