John Michael Duncan, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Houston, TX
John Michael Duncan, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Houston, Texas, and NPI 1003903543, issued on Oct 6, 2006. Check the license (Texas D8200, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Michael Duncan
- Credential
- M.D.
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- D8200 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1101 Bates Ave, Houston, TX 77030
- Phone
- (832) 355-4900
- Enumerated
- Oct 6, 2006
- Record last updated
- Dec 9, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (832) 355-3770
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 484 in Texas → Look up another NPI →
Also registered at 1101 Bates Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alma AguilarPharmacist1023737673
- Yossef AlsabawiStudent in an Organized Health Care Education/Training Program1346184157
- Jace Anderson, PHARMDSolid Organ Transplant Pharmacist1437079662
- Ariella Azimi, DOHospitalist Physician1932773314
- Noureddeen Bitar, MDStudent in an Organized Health Care Education/Training Program1164124509
Verify John Michael Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license D8200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
33 Medicare Part D claims, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D.
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.
John Michael Duncan among 484 thoracic surgery (cardiothoracic vascular surgery) physician records in Texas
John Michael Duncan, M.D. is one of 484 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Texas. 79% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2016 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Texas
There are 484 thoracic surgery (cardiothoracic vascular surgery) physician records in Texas.
All 484 in Texas → Every provider in Houston → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Marvin Atkins, MDHouston, TX 770301730160706
- Steven Eisenberg, M.D.Houston, TX 770301073512513
- Jonathan Ho, MDHouston, TX 770301417949264
- Gerald Lawrie, MDHouston, TX 770301457351074
- Thomas Macgillivray, MDHouston, TX 770301184605354
- Walter Ohara, MDHouston, TX 770301376541789
- Octavio Pajaro, M.D.Houston, TX 770301629065677
- Rick Peng, M.D.Houston, TX 770301154304103
Common questions
What is John Michael Duncan, M.D.'s NPI number?
John Michael Duncan, M.D.'s National Provider Identifier (NPI) is 1003903543, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Michael Duncan, M.D. located?
The NPPES record lists a practice address at 1101 Bates Ave, Houston, TX, 77030. Phone: (832) 355-4900. Providers update this record themselves, so call before visiting.
How can I verify John Michael Duncan, M.D.'s license?
NPPES lists Texas license number D8200, 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 Michael Duncan, M.D. prescribe under Medicare Part D?
In 2024, John Michael Duncan, M.D. had 33 Medicare Part D claims; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.
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.