Michael P. Macris, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Houston, TX
Michael P. Macris, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Houston, Texas, and NPI 1780753905, issued on Nov 6, 2006. Check the license (Texas G9695, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michael P. Macris
- Credential
- M.D.
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- G9695 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1631 North Loop W, Houston, TX 77008
- Phone
- (713) 465-7979
- Enumerated
- Nov 6, 2006
- Record last updated
- Oct 15, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (713) 465-5278
- Medicaid ID
- 135272609 TX
- Medicare enrollment
- Enrolled (PECOS I20100706000106); accepts Medicare assignment
- Medical or professional school
- Medical College Of Georgia School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 484 in Texas → Look up another NPI →
Also registered at 1631 North Loop W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael P. Macris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G9695Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
32 Medicare Part D claims for 17 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Industry payments in 2024: $392.94
7 payments; by number, the most common kind was food and beverage; the largest payer was Atricure, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 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.
Michael P. Macris among 484 thoracic surgery (cardiothoracic vascular surgery) physician records in Texas
Michael P. Macris, 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 fileYes · 64% of these records are
- Graduated1984 · median 1996 among the 309 with a school on file
- Record last updated2018 · 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
- Christos Katsigiannis, MDHouston, TX 770081194725234
- Carlos Encarnacion, M.D.Houston, TX 770041508132812
- Kamal Khalil, M.D.Houston, TX 770041396939070
- Eyal Porat, M.D.Houston, TX 770041013946789
- John Davis, MDHouston, TX 770021003858127
- David Corbut, M.D.Houston, TX 770171700167020
- Jon-Cecil Walkes, MDHouston, TX 770181669472288
- Juan Abreu, M.D.Houston, TX 770241598053092
Common questions
What is Michael P. Macris, M.D.'s NPI number?
Michael P. Macris, M.D.'s National Provider Identifier (NPI) is 1780753905, issued on Nov 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael P. Macris, M.D. located?
The NPPES record lists a practice address at 1631 North Loop W, Houston, TX, 77008. Phone: (713) 465-7979. Providers update this record themselves, so call before visiting.
How can I verify Michael P. Macris, M.D.'s license?
NPPES lists Texas license number G9695, 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 Michael P. Macris, M.D. prescribe under Medicare Part D?
In 2024, Michael P. Macris, M.D. had 32 Medicare Part D claims for 17 beneficiaries; 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.