John W. Duncan, MD
Cardiovascular Disease Physician · Plano, TX
John W. Duncan, MD is a cardiovascular disease physician with a practice address in Plano, Texas, and NPI 1396844064, issued on Sep 21, 2006. Check the license (Texas J3459, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John W. Duncan
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- J3459 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3801 W 15TH St, Plano, TX 75075
- Phone
- (972) 985-8838
- Enumerated
- Sep 21, 2006
- Record last updated
- May 18, 2023
- Fax
- (972) 596-1724
- Medicaid ID
- 134727009 TX
- Medicare enrollment
- Enrolled (PECOS I20101005000709); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 1978
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,603 in Texas → Look up another NPI →
Also registered at 3801 W 15TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rajjit Abrol, MDClinical Cardiac Electrophysiology Physician1164530739
- Beth Anglin, M.D.Surgical Oncology Physician1164518288
- Timothy Dao, M.D.Interventional Cardiology Physician1407029689
- Jennifer Darrow, M.D.Pediatrics Physician1477552610
- Eugene Henderson, MDCardiovascular Disease Physician1679537815
- Arjun Nair, M.D.Cardiovascular Disease Physician1982866968
Verify John W. Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J3459Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average cardiovascular disease physician in 2024
7,367 Medicare Part D claims for 770 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Atorvastatin Calcium609 claims
- Metoprolol Succinate588 claims
- Eliquis498 claims
- Rosuvastatin Calcium498 claims
- Ezetimibe383 claims
- Amlodipine Besylate376 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 82.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,883.82
77 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Heartplace PLLCPlano, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John W. Duncan among 1,603 cardiovascular disease physician records in Texas
John W. Duncan, MD is one of 1,603 cardiovascular disease physician records with a practice address in Texas. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 42% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1978 · median 1998 among the 1,219 with a school on file
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Texas
There are 1,603 cardiovascular disease physician records in Texas.
All 1,603 in Texas → Every provider in Plano → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Neeta Bavikati, M.D.Plano, TX 750751295702074
- Eugene Henderson, MDPlano, TX 750751679537815
- Ramarao Lankipalli, MD, MRCP (UK), FACCPlano, TX 750751336121193
- Arjun Nair, M.D.Plano, TX 750751982866968
- Marc Pieniek, MDPlano, TX 750751295793677
- Wael Abo-Auda, M.D.McKinney, TX 750711891782512
- Syed Sarmast, M.D.McKinney, TX 750711063685865
- Martin Weiss, DOMcKinney, TX 750711255396263
Common questions
What is John W. Duncan, MD's NPI number?
John W. Duncan, MD's National Provider Identifier (NPI) is 1396844064, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John W. Duncan, MD located?
The NPPES record lists a practice address at 3801 W 15TH St, Plano, TX, 75075. Phone: (972) 985-8838. Providers update this record themselves, so call before visiting.
How can I verify John W. Duncan, MD's license?
NPPES lists Texas license number J3459, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John W. Duncan, MD prescribe under Medicare Part D?
In 2024, John W. Duncan, MD had 7,367 Medicare Part D claims for 770 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is John W. Duncan, MD's MIPS final score?
The 2023 MIPS final score is 82.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.