Dr. Colin E. Diffie
Dr. Colin E. Diffie
Last updated: Sep 11, 2025

Dr. Colin E. Diffie

  • Gender: Male
  • Experience: 7 years
  • Graduation year: 2014
  • Sole propriator: No
  • NPI: 1942616404

Dr. Colin E. Diffie MD

Rheumatologist

He is located at 915 North Grand Boulevard in Saint Louis, MO 63106. Can help patients with the following: Gout, Migraine, Osteoporosis, Polymyositis (PM), Sjogren's Syndrome, Urethritis. His National Provider Identifier (NPI) number is 1942616404. Appointment can be made via the phone number (314) 652-4100. He is affiliated with 2 hospitals.

Conditions treated

Dr. Colin E. Diffie, being an rheumatologist, 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. Colin E. Diffie.

  • Abdominal Pain
  • Acute Pain
  • Amyloidosis
  • Anemia
  • Ankylosing Spondylitis
  • Antiphospholipid Syndrome (APS)
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Bladder Control
  • Bone Loss
  • Bursitis
  • Chest Pain
  • Cholecystitis
  • Chronic Fatigue Syndrome (CFS)
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Claudication
  • Collagen Vascular Disease (CVD)
  • Common Cold
  • Constipation
  • Cystitis
  • Diarrhea
  • Edema
  • Erythema Nodosum
  • Fever
  • Fibromyalgia
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Gout
  • Headache
  • Heart Disease
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hypermobility Syndrome
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Low Back Pain
  • Lupus
  • Migraine
  • Muscle Pain
  • Nausea and Vomiting
  • Obesity
  • Osteoarthritis (OA)
  • Osteoporosis
  • Patellofemoral Pain Syndrome (PFS)
  • Peptic Ulcer
  • Polymyalgia Rheumatica (PMR)
  • Polymyositis (PM)
  • Porphyria
  • Prescription Refill
  • Psoriatic Arthritis
  • Raynaud's Phenomenon
  • Reactive Arthritis
  • Rheumatoid Arthritis (RA)
  • Sacroiliac Joint Pain
  • Sarcoidosis
  • Scleroderma
  • Sjogren's Syndrome
  • Spondylolysis
  • Tendinitis
  • Urethritis
  • Urinary Tract Infection (UTI)
  • Vasculitis
  • Weber-Christian Disease

Medicare Enrollment

Dr. Colin E. Diffie is enrolled to bill Medicare as a Practitioner - Rheumatology (also registered under: 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.

Studies

Graduated in 2014

Additional Specialities

  • Internist

Affiliated hospitals

BARNES JEWISH HOSPITAL
ONE BARNES-JEWISH HOSPITAL PLAZA
SAINT LOUIS, 63110 MO
(314) 747-3000
PARKLAND HEALTH CENTER
1101 W LIBERTY
FARMINGTON, 63640 MO
(573) 431-6005

Questions & Answers

What conditions does Dr. Colin E. Diffie treat?

Dr. Colin E. Diffie provides treatment for Gout, Migraine, Osteoporosis, Polymyositis (PM), Sjogren's Syndrome, Urethritis. For the full list see this list.

Does Dr. Colin E. Diffie accept insurance?

Unfortunately we don't have any information if Dr. Colin E. Diffie accepts insurance.

Where can you meet with Dr. Colin E. Diffie?

Dr. Colin E. Diffie's office is located at 915 North Grand Boulevard in Saint Louis, MO 63106.

Has Dr. Colin E. Diffie affiliation with hospitals?

Dr. Colin E. Diffie is affiliated with BARNES JEWISH HOSPITAL. For the full list of hospitals see this list.