Dr. Thomas Michael Defer
Dr. Thomas M. Defer
Last updated: Apr 17, 2025

Dr. Thomas M. Defer

  • Gender: Male
  • Experience: 32 years
  • Graduated from: University Of Missouri, Columbia School Of Medicine
  • Graduation year: 1989
  • Sole propriator: No
  • NPI: 1023036464

Dr. Thomas M. Defer MD

Internist

He is located at 4950 Childrens Place Dept Internal Med in Saint Louis, MO 63110. Can help patients with the following: Anemia, Asthma, Common Cold, Constipation, Heart Disease, Hot Flashes. His National Provider Identifier (NPI) number is 1023036464. Appointment can be made via the phone number (314) 362-5060. He is affiliated with 1 hospitals.

Conditions treated

Dr. Thomas Michael Defer, being an internist, 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 M. Defer.

  • Abdominal Pain
  • Acute Pain
  • Anemia
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Bladder Control
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Common Cold
  • Constipation
  • Cystitis
  • Diarrhea
  • Edema
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Headache
  • Heart Disease
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Osteoporosis
  • Peptic Ulcer
  • Prescription Refill
  • Urethritis
  • Urinary Tract Infection (UTI)

Medicare Enrollment

Dr. Thomas M. Defer is enrolled to bill Medicare as a Practitioner - Internal Medicine .

Bills through: Washington University

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.

Payments received

Drug payment

Merck $55
Forest Pharmaceuticals $10

Other

Food and Beverage $66

Studies

UNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE

Graduated in 1989

Affiliated hospitals

BARNES JEWISH HOSPITAL
ONE BARNES-JEWISH HOSPITAL PLAZA
SAINT LOUIS, 63110 MO
(314) 747-3000

Looking for more Internists?

Out of the 884 internists in this region, here are 10 randomly selected ones for you to explore.

Dr. Nancy Z. Delaney
  • Gender: Female
  • Address: 3660 Vista Avenue Saint Louis, 63110, MO
Dr. Patrick White
  • Gender: Male
  • Address: Div Im Hospitalist 1 Barnes Jewish Hospital Plaza Saint Louis, 63110, MO
Dr. Daniel E. Goldberg
  • Gender: Male
  • Address: 660 South Euclid Avenue Saint Louis, 63110, MO
Dr. Erin Renee Baum
  • Gender: Female
  • Address: Div Im Hospitalist 1 Barnes Jewish Hospital Plaza Saint Louis, 63110, MO
Dr. John S. Daniels
  • Gender: Male
  • Address: Ste 13A 4921 Parkview Place Saint Louis, 63110, MO
Dr. Sanjay Jain
  • Gender: Male
  • Address: Campus Box 8015 660 South Euclid Avenue Saint Louis, 63110, MO
Dr. Evan Ward Roller
  • Gender: Male
  • Address: Dept Anesthesiology 1 Barnes Jewish Hospital Plaza Saint Louis, 63110, MO
Dr. Faris Adam Bakeer
  • Gender: Male
  • Address: Div Im Hospitalist 1 Barnes Jewish Hospital Plaza Saint Louis, 63110, MO
Dr. David Brian Schwartz
  • Gender: Male
  • Address: Div Im Cardiology, Ste 8B 4921 Parkview Place Saint Louis, 63110, MO
Dr. Bradley A. Evanoff
  • Gender: Male
  • Address: Ste 241 4901 Forest Park Avenue Saint Louis, 63108, MO

Questions & Answers

Does Dr. Thomas Michael Defer accept insurance?

Unfortunately we don't have any information if Dr. Thomas Michael Defer accepts insurance.

Where can you meet with Dr. Thomas Michael Defer?

Dr. Thomas Michael Defer's office is located at 4950 Childrens Place Dept Internal Med in Saint Louis, MO 63110.

What conditions does Dr. Thomas Michael Defer treat?

Dr. Thomas Michael Defer provides treatment for Anemia, Asthma, Common Cold, Constipation, Heart Disease, Hot Flashes. For the full list see this list.

Has Dr. Thomas Michael Defer affiliation with hospitals?

Dr. Thomas Michael Defer is affiliated with BARNES JEWISH HOSPITAL.