Dr. John W. Duncan, MD
- Medicare services, 2024
- 3,921
- Medicare patients, 2024
- 1,536
- Part D claims, 2024
- 7,367
- MIPS score, 2024
- 89
- Hospital affiliations
- 5
- Practice address
- 16980 Dallas Pkwy, Dallas, TX 75248
- Practice phone
- Call (972) 391-1915
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Heartplace
Dallas, Texas
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. John W. Duncan is a cardiologist in Dallas, Texas
Dr. Duncan practices at Heartplace in Dallas, Texas.
Dr. Duncan's NPI, 1396844064, was assigned on September 21, 2006. Dr. Duncan graduated from UNMC in 1978. Dr. Duncan's Texas license number on file is J3459.
- NPI
- 1396844064NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709910664
- NPI enumeration date
- September 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (972) 391-1915
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John W. Duncan practices at Heartplace in Dallas, Texas
Dr. Duncan's primary practice is Heartplace, at 16980 Dallas Pkwy, Dallas, TX 75248 in Dallas County. The practice phone is (972) 391-1915.
- Heartplace16980 Dallas Pkwy, Dallas, TX 75248 · Dallas CountyPhone(972) 391-1915
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John W. Duncan is affiliated with 7 sites of care and 1 medical group
Dr. Duncan's primary practice is Heartplace in Dallas, Texas. Dr. Duncan is also affiliated with William P. Clements Jr. University Hospital. The medical group on file is US Heart and Vascular. Dmand AI also links Dr. Duncan to 4 more hospitals and 1 group practice or clinic, each named with a free account.
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. John W. Duncan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duncan practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Heartplace | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John W. Duncan is one of 1,481 cardiologists in Texas
Cardiovascular disease is Dr. Duncan's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Duncan is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Duncan's licenses on file in 3 states: Texas, Arizona and Tennessee.
Specialties and state licenses
- Cardiovascular disease, TexasPrimary
- Arizona license
- Tennessee license
Clinical focus
Dmand AI lists aneurysm, angioplasty, atrial fibrillation and flutter, cardiomyopathy, cerebrovascular disease, chronic hypertension, chronic skin ulcer and coronary artery disease among the conditions Dr. Duncan treats.
Cardiologists near Dr. Duncan
Counts of cardiologists 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. John W. Duncan billed Medicare for 3,921 services in 2024
CMS data shows 3,921 Medicare services from Dr. Duncan across 25 procedure codes in 2024, for 1,536 Medicare patients. Medicare paid $224,105 for them.
Dr. Duncan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,7032024: 1,97816%
- Office and hospital visits
- 2023: 1,7682024: 1,7014%
- Drugs given in the office
- 2023: 962024: 11722%
- Other services
- 2023: 312024: 82165%
- Imaging
- 2023: 312024: 4339%
Where Dr. Duncan's Medicare services took place, 2024
- In an office2,45363%
- In a facility1,46837%
Dr. Duncan compared with the Texas median for cardiologists, 2024
- Dr. Duncan
- Texas median
- Medicare services
- 3,921vs 1,9552.0 times
- Medicare patients
- 1,536vs 6282.4 times
- Part D claims
- 7,031vs 2,2323.2 times
Medians across 1,431 cardiologists in Texas 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Duncan and other cardiologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John W. Duncan treated 1,536 Medicare patients in 2024, average age 78
CMS counts 1,536 Medicare patients who saw Dr. Duncan in 2024. The largest group is 75 to 84, with 657 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.80, 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 69, with 53% women.
Dr. Duncan's Medicare patients by age, 2024
Dr. Duncan's Medicare patients by sex, 2024
- Women75949%
- Men77751%
Chronic conditions among Dr. Duncan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease55%
- Arthritis52%
- Atrial fibrillation43%
- Chronic kidney disease40%
- Diabetes38%
- Heart failure34%
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 69
Patient panel by sex, all payers
- Women53%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John W. Duncan wrote 7,367 Medicare Part D claims in 2024
In 2024, Dr. Duncan wrote 7,367 Medicare Part D claims for 770 patients. 84% of them were for generic drugs. CMS names the drug for 7,031 of them, across 63 drugs with 11 or more claims each, at $1,320,369 in total drug cost. In 2023, CMS named 6,899 claims across 69 drugs.
Dr. Duncan's Part D claims by kind of drug, 2024
- Generic6,189 claims84%
- Brand-name1,178 claims16%
Dr. Duncan's 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: 6,8992024: 7,0312%
Drugs named by CMS: 63 in 2024, 69 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. John W. Duncan scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Duncan for performance year 2024, reported individually. Dr. Duncan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Duncan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Duncan's MIPS scores, performance year 2024
- 89of 100Final score
- 72.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 80of 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. John W. Duncan received $19,891 in industry payments from 2016 to 2025
CMS Open Payments shows 1,022 general payments to Dr. Duncan from 58 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. Novartis Pharmaceuticals Corporation paid the most, $1,960.
General payments to Dr. Duncan by program year, 2016 to 2025
General payments to Dr. Duncan by kind, 2016 to 2025
- Food and beverage$18,63694%
- Travel and lodging$7904%
- Speaker and faculty fees$4002%
- Education$650%
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. John W. Duncan has 1 award and honors on record
Dmand AI lists 1 award for Dr. Duncan, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Duncan
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. John W. Duncan graduated from UNMC
Dr. Duncan graduated from UNMC in 1978. Dr. Duncan is a member of ACC.
- Medical school
- Board certified in cardiovascular disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. John W. Duncan accepts plans from 21 insurance carriers
Dr. Duncan is in network with 21 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- Excellus BlueCross BlueShield
- HCSC
- Humana
- Alliant Health Plans
- +13 more carriersWith a free account
Plan types Dr. Duncan accepts, by number of carriers
- PPO13
- HMO12
- Medicare9
- POS6
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. John W. 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 | 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)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. John W. 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. John W. Duncan's NPI number?
Dr. John W. Duncan's NPI number is 1396844064. It was assigned on September 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John W. Duncan?
Dr. John W. Duncan is a cardiologist in Dallas, Texas. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. John W. Duncan practice?
Dr. Duncan practices at 16980 Dallas Pkwy, Dallas, TX 75248. Dr. Duncan's primary practice is Heartplace in Dallas, Texas. Dmand AI also links Dr. Duncan to 4 hospitals and 1 group practice or clinic.
What is Dr. John W. Duncan's office phone number?
The practice phone on file for Dr. Duncan is (972) 391-1915.
What is Dr. John W. Duncan's medical license number?
Dr. Duncan's Texas license number on file is J3459, one of the licenses on file in 3 states.
Which states has Dr. John W. Duncan been licensed in?
Dmand AI has state licenses on file for Dr. Duncan in Texas (1993 to 2025), Arizona (since 1981) and Tennessee (1980 to 1999).
Which hospitals is Dr. John W. Duncan affiliated with?
Dr. Duncan is affiliated with William P. Clements Jr. University Hospital. Dmand AI links Dr. Duncan to 4 more hospitals.
What medical group is Dr. John W. Duncan part of?
Dr. Duncan is linked to US Heart and Vascular.
Does Dr. John W. Duncan accept Medicare?
Yes. CMS data shows Dr. Duncan billed Medicare for 3,921 services in 2024, and Dr. Duncan accepts Medicare assignment.
Does Dr. John W. Duncan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Duncan as offering telehealth services.
Show 9 more questionsShow fewer questions
What is Dr. John W. Duncan's MIPS score?
Dr. Duncan's MIPS final score for performance year 2024 is 89 out of 100, reported individually.
How many Medicare patients does Dr. John W. Duncan see?
CMS counts 1,536 Medicare patients who saw Dr. Duncan in 2024, with an average age of 78.
Is Dr. John W. Duncan board certified?
Yes. Dr. Duncan is board certified in cardiovascular disease by the American Board of Internal Medicine.
What services does Dr. John W. Duncan bill to Medicare?
In 2024, Dr. Duncan's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93010) and heart test or procedure (93000).
Where did Dr. John W. Duncan go to medical school?
Dr. Duncan graduated from UNMC in 1978.
What drugs does Dr. John W. Duncan prescribe most?
In 2024 Medicare Part D data, Dr. Duncan's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Eliquis.
Has Dr. John W. Duncan received payments from drug or device companies?
CMS Open Payments shows $19,891 in general payments to Dr. Duncan from 58 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. John W. Duncan been practicing?
Dr. Duncan graduated from medical school in 1978, 48 years ago.
What insurance does Dr. John W. Duncan accept?
Dr. Duncan is in network with 21 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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