Dr. Douglas Flagg
- Gender: Male
- Experience: 35 years
- Sole propriator: No
- NPI: 1821178013
Dr. Douglas Flagg MD
Rheumatologist
He is located at 1611 South Green Road # 65 in South Euclid, OH 44121. Can help patients with the following: Anemia, Chest Pain, Constipation, Heart Disease, Sjogren's Syndrome, Tendinitis. His National Provider Identifier (NPI) number is 1821178013. Appointment can be made via the phone number (216) 291-4050.
Conditions treated
Dr. Douglas Flagg, 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. Douglas Flagg.
- 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
Procedures Performed by Dr. Douglas Flagg
Medicare Enrollment
Dr. Douglas Flagg is enrolled to bill Medicare as a Order And Referring Only - Internal Medicine (also registered under: Practitioner - Internal Medicine) .
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
| Amgen | $216 |
| Celgene | $179 |
| Pfizer | $72 |
Other
| Food and Beverage | $875 |
Additional Specialities
- Internist
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Questions & Answers
What conditions does Dr. Douglas Flagg treat?
Dr. Douglas Flagg provides treatment for Anemia, Chest Pain, Constipation, Heart Disease, Sjogren's Syndrome, Tendinitis. For the full list see this list.
Where can you meet with Dr. Douglas Flagg?
Dr. Douglas Flagg's office is located at 1611 South Green Road # 65 in South Euclid, OH 44121.