Christos Argirios Katsigiannis, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Houston, TX
Christos Argirios Katsigiannis, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Houston, Texas, and NPI 1194725234, issued on Jul 29, 2005. Check the license (Texas J0036, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Christos Argirios Katsigiannis
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- J0036 TX
Self-reported in NPPES; status is on the state search - Practice location
- 427 W 20TH St Ste 300, Houston, TX 77008
- Phone
- (713) 791-1633
- Enumerated
- Jul 29, 2005
- Record last updated
- Dec 17, 2024
- Fax
- (713) 791-1710
- Medicaid ID
- 117274405 TX
- Medicare enrollment
- Enrolled (PECOS I20091214000698); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 484 in Texas → Look up another NPI →
Also registered at 427 W 20TH St Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Juan Frommer, M.D.Nephrology Physician1528052404
- Ralph Hunter, CRNACertified Registered Nurse Anesthetist1184610677
- Dora Osei-BonsuGerontology Nurse Practitioner1689354920
- Sumia Rashid, M.D.Nephrology Physician1073784252
- Amit Sharma, M.D.Vascular & Interventional Radiology Physician1508153685
- Saturday Ugbo, APNPsychiatric/Mental Health Nurse Practitioner1801490024
Verify Christos Argirios Katsigiannis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J0036Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
53 Medicare Part D claims for 48 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. 47 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen39 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: $30.00
1 payment: food and beverage; the largest payer was Biotronik 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.
Bills Medicare through one group practice
- J Pedro Frommer MD PAHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christos Argirios Katsigiannis among 484 thoracic surgery (cardiothoracic vascular surgery) physician records in Texas
Christos Argirios Katsigiannis, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1990 · median 1996 among the 309 with a school on file
- Record last updated2024 · 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
- Michael Macris, M.D.Houston, TX 770081780753905
- 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 Christos Argirios Katsigiannis, MD's NPI number?
Christos Argirios Katsigiannis, MD's National Provider Identifier (NPI) is 1194725234, issued on Jul 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Christos Argirios Katsigiannis, MD located?
The NPPES record lists a practice address at 427 W 20TH St Ste 300, Houston, TX, 77008. Phone: (713) 791-1633. Providers update this record themselves, so call before visiting.
How can I verify Christos Argirios Katsigiannis, MD's license?
NPPES lists Texas license number J0036, 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 Christos Argirios Katsigiannis, MD prescribe under Medicare Part D?
In 2024, Christos Argirios Katsigiannis, MD had 53 Medicare Part D claims for 48 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.