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Dr. David Allen Duncan, MD
NPI1124004122PAC ID6406924422
- Medicare services, 2024
- 173
- Medicare patients, 2024
- 101
- Part D claims, 2017
- 18
- Publications
- 2
- Clinical trials
- 1
- Practice address
- 4622 Country Club Rd Suite 180 Suite 180, Winston Salem, NC 27104-3770
- Practice phone
- Call (336) 768-9535
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Novant Health Cardiothoracic Surgeons
Multi-specialty group site · Winston Salem, North Carolina
Find Dr. Duncan'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. David Allen Duncan is a cardiothoracic surgeon in Winston Salem, North Carolina
Dr. Duncan practices at Novant Health Cardiothoracic Surgeons in Winston Salem, North Carolina.
Dr. Duncan's NPI, 1124004122, was assigned on December 21, 2005. Dr. Duncan graduated from University Of Florida College Of Medicine in 1984. Dr. Duncan holds North Carolina license 35324.
NPI and contact details
- NPI
- 1124004122NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406924422
- NPI enumeration date
- December 21, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (336) 768-9535
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Allen Duncan practices at Novant Health Cardiothoracic Surgeons in Winston Salem, North Carolina
Dr. Duncan's primary practice is Novant Health Cardiothoracic Surgeons, at 4622 Country Club Rd Suite 180 Suite 180, Winston Salem, NC 27104-3770. The practice phone is (336) 768-9535.
- Novant Health Cardiothoracic Surgeons4622 Country Club Rd Suite 180 Suite 180, Winston Salem, NC 27104-3770Phone(336) 768-9535
Source: Dmand AI Affiliation Data
Dr. David Allen Duncan is affiliated with 4 sites of care and 2 medical groups
Dr. Duncan's primary practice is Novant Health Cardiothoracic Surgeons in Winston Salem, North Carolina. Dr. Duncan is also affiliated with Novant Health Forsyth Medical Center. The medical group on file is Novant Health Indian Land Primary Care. Dmand AI also links Dr. Duncan to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.
Novant Health Cardiothoracic SurgeonsPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David Allen Duncan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duncan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Novant Health Cardiothoracic Surgeons | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Allen Duncan is one of 132 cardiothoracic surgeons in North Carolina
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Duncan's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Duncan is board certified in thoracic and cardiac surgery by the American Board of Thoracic Surgery. Dmand AI has Dr. Duncan's licenses on file in 2 states: North Carolina and Florida.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), North CarolinaPrimary
- Florida license
Clinical focus
Dmand AI lists heart bypass surgery, heart valve surgery and lung resection among the conditions Dr. Duncan treats.
Cardiothoracic surgeons near Dr. Duncan
Counts of cardiothoracic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
132cardiothoracic surgeons in North Carolina
7cardiothoracic surgeons in Winston Salem
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David Allen Duncan billed Medicare for 173 services in 2024
CMS data shows 173 Medicare services from Dr. Duncan across 6 procedure codes in 2024, for 101 Medicare patients. Medicare paid $59,087 for them.
Medicare services, 2024173
Medicare patients101
Paid by Medicare$59,087
Procedure codes6
Dr. Duncan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 872024: 959%
- Surgery
- 2023: 762024: 783%
Where Dr. Duncan's Medicare services took place, 2024
- In an office7543%
- In a facility9857%
Dr. Duncan compared with the North Carolina median for cardiothoracic surgeons, 2024
- Dr. Duncan
- North Carolina median
- Medicare services
- 173vs 12143% above
- Medicare patients
- 101vs 104Close to median
- Part D claims
- 18vs 2010% below
Medians across 123 cardiothoracic surgeons in North Carolina with Dmand AI profiles that report each measure.
Dr. Duncan'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.
Need commercial claims for Dr. Duncan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Duncan and other cardiothoracic surgeons in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Allen Duncan treated 101 Medicare patients in 2024, average age 76
CMS counts 101 Medicare patients who saw Dr. Duncan in 2024. The largest group is 65 to 74, with 44 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.96, 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. Duncan's median patient age at 75, with 41% women.
Medicare patients, 2024101
Average age76
Average risk score1.96
Dr. Duncan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Duncan's Medicare patients by sex, 2024
- Women3131%
- Men7069%
Chronic conditions among Dr. Duncan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Arthritis61%
- Atrial fibrillation52%
- Diabetes44%
- Chronic kidney disease43%
- Heart failure43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Duncan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women41%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Allen Duncan wrote 18 Medicare Part D claims in 2017
In 2017, Dr. Duncan wrote 18 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $58 in total drug cost.
Part D claims, 201718
Drugs named by CMS1
Total drug cost$58
Dr. Duncan's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. David Allen Duncan ranks in the 63rd percentile for coronary artery bypass graft (cabg) in Medicare
Dr. Duncan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 18 procedures of coronary artery bypass graft (cabg) by Dr. Duncan, more than 63% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Duncan ranks in Medicare procedure volume
- Coronary artery bypass graft (CABG)
- 63rd percentile18 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. David Allen Duncan has 2 publications on record
Dmand AI links 2 papers to Dr. Duncan in 2024. Dr. Duncan's most frequent co-authors are Kevin Donn Accola, MD, John M. Armitage, MD and Jeffrey E. Askew, MD.
Papers2
Dr. Duncan's most frequent co-authors
- Kevin Donn Accola, MD1 shared paper
- John M. Armitage, MD1 shared paper
- Jeffrey E. Askew, MD1 shared paper
Recent publications by Dr. Duncan
See who Dr. Duncan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Duncan 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. David Allen Duncan has worked on 1 clinical trial
Dmand AI links Dr. Duncan to 1 clinical trial. Conditions studied include Heart Valve Diseases and Heart Diseases.
Conditions in Dr. Duncan's trials
- Heart Valve Diseases
- Heart Diseases
Investigators on the most trials with Dr. Duncan
- Kevin Donn Accola, MD1 shared trial
- Charles Albin Anderson, MD1 shared trial
- John M. Armitage, MD1 shared trial
Recent clinical trials with Dr. Duncan
Heart Valve DiseasesHeart DiseasesOn-X valve using reduced anticoagulationOn-X Valve with Standard warfarin Therapy
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. David Allen Duncan received $6,479 in industry payments from 2016 to 2025
CMS Open Payments shows 123 general payments to Dr. Duncan from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 68% of the total. Edwards Lifesciences Corporation paid the most, $1,965.
General payments to Dr. Duncan by program year, 2016 to 2025
General payments to Dr. Duncan by kind, 2016 to 2025
$6.5Kin total
- Food and beverage$4,38168%
- Travel and lodging$2,01431%
- Grants$831%
Companies that paid Dr. Duncan 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. David Allen Duncan has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Duncan, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Duncan
- 2013
- CMS Stage 1 EHR
- Undated
- Checkbook Top Doc
Source: Dmand AI Professional Profile Data
Dr. David Allen Duncan graduated from University Of Florida College Of Medicine
Dr. Duncan graduated from University Of Florida College Of Medicine in 1984.
- Medical school
- Board certified in thoracic and cardiac surgery
Source: Dmand AI Professional Profile Data
Dr. David Allen Duncan accepts plans from 15 insurance carriers
Dr. Duncan is in network with 15 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Cigna
- HCSC
- Aspirus Health Plan
- Alliant Health Plans
- +7 more carriersWith a free account
Plan types Dr. Duncan accepts, by number of carriers
- HMO8
- PPO8
- Medicare5
- POS5
- EPO4
- Medicaid3
Source: Dmand AI Insurance Network Data
Sources for Dr. David Allen Duncan'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 Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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 |
| 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) |
| 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. David Allen Duncan
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. David Allen Duncan's NPI number?
Dr. David Allen Duncan's NPI number is 1124004122. It was assigned on December 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. David Allen Duncan?
Dr. David Allen Duncan is a cardiothoracic surgeon in Winston Salem, North Carolina. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. David Allen Duncan practice?
Dr. Duncan practices at 4622 Country Club Rd Suite 180 Suite 180, Winston Salem, NC 27104-3770. Dr. Duncan's primary practice is Novant Health Cardiothoracic Surgeons in Winston Salem, North Carolina. Dmand AI also links Dr. Duncan to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Dr. David Allen Duncan's office phone number?
The practice phone on file for Dr. Duncan is (336) 768-9535.
What is Dr. David Allen Duncan's medical license number?
Dr. Duncan holds North Carolina license 35324, one of the licenses on file in 2 states.
Which states has Dr. David Allen Duncan been licensed in?
Dmand AI has state licenses on file for Dr. Duncan in North Carolina (1992 to 2026) and Florida (1990 to 1994).
Which hospitals is Dr. David Allen Duncan affiliated with?
Dr. Duncan is affiliated with Novant Health Forsyth Medical Center. Dmand AI links Dr. Duncan to 1 more hospital.
What medical group is Dr. David Allen Duncan part of?
Dr. Duncan is linked to Novant Health Indian Land Primary Care. Dmand AI links Dr. Duncan to 1 more medical group.
Does Dr. David Allen Duncan accept Medicare?
Yes. CMS data shows Dr. Duncan billed Medicare for 173 services in 2024, and Dr. Duncan accepts Medicare assignment.
How many Medicare patients does Dr. David Allen Duncan see?
CMS counts 101 Medicare patients who saw Dr. Duncan in 2024, with an average age of 76.
Show 9 more questionsShow fewer questions
Is Dr. David Allen Duncan board certified?
Yes. Dr. Duncan is board certified in thoracic and cardiac surgery by the American Board of Thoracic Surgery.
What services does Dr. David Allen Duncan bill to Medicare?
In 2024, Dr. Duncan's most billed Medicare services were office visit, new patient (99205), surgery: heart and blood vessels (33361) and surgery: heart and blood vessels (33533).
Where did Dr. David Allen Duncan go to medical school?
Dr. Duncan graduated from University Of Florida College Of Medicine in 1984.
What drugs does Dr. David Allen Duncan prescribe most?
In 2017 Medicare Part D data, Dr. Duncan's most prescribed drugs by claims were Famotidine.
Has Dr. David Allen Duncan received payments from drug or device companies?
CMS Open Payments shows $6,479 in general payments to Dr. Duncan from 17 companies from 2016 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. David Allen Duncan been practicing?
Dr. Duncan graduated from medical school in 1984, 42 years ago.
Does Dr. David Allen Duncan do research?
Dmand AI links 2 publications to Dr. Duncan. Dr. Duncan has worked on 1 clinical trial.
Who does Dr. David Allen Duncan publish with?
Dr. Duncan's most frequent co-authors are Kevin Donn Accola, MD (1 shared paper), John M. Armitage, MD (1 shared paper) and Jeffrey E. Askew, MD (1 shared paper).
What insurance does Dr. David Allen Duncan accept?
Dr. Duncan is in network with 15 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.
Selling to thoracic surgery (cardiothoracic vascular surgery) practices?
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