Dr. Thomas S. Brennan
- Gender: Male
- Experience: 42 years
- Graduated from: Loyola University Of Chicago, Stritch School Of Medicine
- Graduation year: 1979
- Sole propriator: No
- NPI: 1215937255
Dr. Thomas S. Brennan MD
Nephrologist
He is located at 1415 LA Concha Lane in Houston, TX 77054. Can help patients with the following: Diarrhea, Edema, Heart Disease, Polycystic Kidney Disease (PKD), Prescription Refill, Urethritis. His National Provider Identifier (NPI) number is 1215937255. Appointment can be made via the phone number (713) 790-9080. He is affiliated with 1 practices and 1 hospitals.
Conditions treated
Dr. Thomas Stephen Brennan, being an nephrologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Thomas S. Brennan.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Blood in Urine
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Gout
- Headache
- Heart Disease
- Hemolytic Uremic Syndrome (HUS)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hydronephrosis
- Hypercalcemia
- Hyperkalemia
- Hyperlipidemia
- Hyperparathyroidism
- Hyponatremia
- Influenza
- Inguinal Hernia
- Kidney Cancer
- Kidney Failure
- Kidney Infection
- Kidney Stones
- Low Blood Pressure
- Low Potassium
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Polycystic Kidney Disease (PKD)
- Prescription Refill
- Rhabdomyolysis
- Urethritis
- Urinary Tract Infection (UTI)
- Vitamin D Deficiency
Procedures Performed by Dr. Thomas S. Brennan
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Thomas S. Brennan as in-network for the following 2026 plans.
Health plans
Community Health Choice
Network data as of Jan 28, 2026, as reported by the insurer.
Show all 18 plans from Community Health Choice
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Community Premier Bronze 003 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| Community Premier Bronze 003 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Community Premier Bronze 018 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| Community Premier Bronze 018 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Community Premier Gold 005 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Gold | Non Preferred | Accepting new patients |
| Community Premier Gold 005 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Gold | Preferred | Accepting new patients |
| Community Premier Gold 021 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Gold | Non Preferred | Accepting new patients |
| Community Premier Gold 021 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Gold | Preferred | Accepting new patients |
| Community Premier Silver 012 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Silver | Non Preferred | Accepting new patients |
| Community Premier Silver 012 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Silver | Preferred | Accepting new patients |
| Community Premier Silver 020 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Silver | Non Preferred | Accepting new patients |
| Community Premier Silver 020 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Silver | Preferred | Accepting new patients |
| Community Select Bronze 016 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| Community Select Bronze 016 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Community Select Gold 022 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) (2 plan variants) | HMO · Gold | Non Preferred | Accepting new patients |
| Community Select Gold 022 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) (2 plan variants) | HMO · Gold | Preferred | Accepting new patients |
| Community Select Silver 019 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) (2 plan variants) | HMO · Silver | Non Preferred | Accepting new patients |
| Community Select Silver 019 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) (2 plan variants) | HMO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Thomas S. Brennan is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Thomas S. Brennan is enrolled to bill Medicare as a Practitioner - Nephrology (also registered under: Practitioner - Internal Medicine) .
Bills through: Nephrology Dialysis And Transplantation Associates Pa
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Otsuka Pharmaceutical | $171 |
| AbbVie | $114 |
| Astellas Pharma | $101 |
Other
| Food and Beverage | $643 |
Studies
LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated in 1979Additional Specialities
- Internist
Looking for more Nephrologists?
Out of the 17 nephrologists in this region, here are 10 randomly selected ones for you to explore.
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- Gender: Male
- Address: 600 North Kobayashi Suite 311 Webster, 77598, TX
- Gender: Female
- Address: 1415 LA Concha Lane Houston, 77054, TX
- Gender: Male
- Address: 1415 LA Concha Lane Houston, 77054, TX
- Gender: Male
- Address: 7015 Almeda Road Houston, 77054, TX
- Gender: Male
- Address: 6560 Fannin Street Suite 1824 Houston, 77030, TX
- Gender: Male
- Address: 1700 Romano Park Lane Houston, 77090, TX
- Gender: Male
- Address: 1415 LA Concha Lane Houston, 77054, TX
- Gender: Female
- Address: 1700 Romano Park Lane Houston, 77090, TX
- Gender: Male
- Address: 7015 Almeda Road Houston, 77054, TX
Questions & Answers
What conditions does Dr. Thomas Stephen Brennan treat?
Dr. Thomas Stephen Brennan provides treatment for Diarrhea, Edema, Heart Disease, Polycystic Kidney Disease (PKD), Prescription Refill, Urethritis. For the full list see this list.
Does Dr. Thomas Stephen Brennan accept patients with Community Health Choice?
Yes, Dr. Thomas Stephen Brennan is listed in-network for Community Health Choice through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. Thomas Stephen Brennan?
Dr. Thomas Stephen Brennan's office is located at 1415 LA Concha Lane in Houston, TX 77054.
Does Dr. Thomas Stephen Brennan have affiliation with practices?
Dr. Thomas Stephen Brennan is affiliated with Nephrology Dialysis & Transplantation Associates PA.
Has Dr. Thomas Stephen Brennan affiliation with hospitals?
Dr. Thomas Stephen Brennan is affiliated with HOUSTON METHODIST HOSPITAL.