Thomas Stephen Brennan, MD
Nephrology Physician · Houston, TX
Thomas Stephen Brennan, MD is a nephrology physician with a practice address in Houston, Texas, and NPI 1215937255, issued on Jul 29, 2005. Check the license (Texas H1743, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas Stephen Brennan
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- H1743 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1415 LA Concha LN, Houston, TX 77054
- Phone
- (713) 790-9080
- Enumerated
- Jul 29, 2005
- Record last updated
- Oct 26, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (713) 790-1664
- Medicaid ID
- PO8637K37 TX
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,159 in Texas → Look up another NPI →
Also registered at 1415 LA Concha LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Faraz Khan, MDNephrology Physician1770559957
- Binh Nguyen, MDNephrology Physician1881696888
- Wadi Suki, MDNephrology Physician1184624124
Verify Thomas Stephen Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H1743Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $378.67
3 payments; by number, the most common kind was food and beverage; the largest payer was Kerecis Limited. The 8,230 providers of this specialty with any payment received $3,091.37 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.
Thomas Stephen Brennan among 1,159 nephrology physician records in Texas
Thomas Stephen Brennan, MD is one of 1,159 nephrology physician records with a practice address in Texas. 89% 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, 85% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileNo · 82% of these records are
- Record last updated2007 · 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 207RN0300X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Texas
There are 1,159 nephrology physician records in Texas.
All 1,159 in Texas → Every provider in Houston → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Ali Ahmed, M.DHouston, TX 770541598025496
- Mario Assouad, MDHouston, TX 770541588767503
- Lazaro Cherem, M.D.Houston, TX 770541245419241
- Namrata Goel, M.D.Houston, TX 770541497862247
- Faraz Khan, MDHouston, TX 770541770559957
- Binh Nguyen, MDHouston, TX 770541881696888
- Rupal Patel, M.D.Houston, TX 770541841389665
- Anand Saranathan, M.D.Houston, TX 770541760652119
Common questions
What is Thomas Stephen Brennan, MD's NPI number?
Thomas Stephen Brennan, MD's National Provider Identifier (NPI) is 1215937255, issued on Jul 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Stephen Brennan, MD located?
The NPPES record lists a practice address at 1415 LA Concha LN, Houston, TX, 77054. Phone: (713) 790-9080. Providers update this record themselves, so call before visiting.
How can I verify Thomas Stephen Brennan, MD's license?
NPPES lists Texas license number H1743, 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.
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.