Dr. Napoleon C. Marcelo
- Gender: Male
- Experience: 40 years
- Sole propriator: No
- NPI: 1700833365
Dr. Napoleon C. Marcelo M.D.
Gastroenterologist
He is located at 4000 Mitchellville Road Suite 430B in Bowie, MD 20716. Can help patients with the following: Abdominal Pain, Bad Breath, Esophagitis, Gastritis, Headache, Heartburn. His National Provider Identifier (NPI) number is 1700833365. Appointment can be made via the phone number (301) 262-8602. He is affiliated with 1 practices.
Conditions treated
Dr. Napoleon C. Marcelo, being an gastroenterologist, 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. Napoleon C. Marcelo.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Ascites
- Asthma
- Atherosclerosis
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bladder Control
- Bleeding Varices
- Blood in Stool
- Botulism
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Chest Pain
- Childhood Obesity
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Common Cold
- Constipation
- Crohn's Disease
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Fever
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- General Care
- Headache
- Heart Disease
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Prescription Refill
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. Napoleon C. Marcelo
Medicare Enrollment
Dr. Napoleon C. Marcelo is enrolled to bill Medicare as a Practitioner - Gastroenterology (also registered under: Practitioner - Internal Medicine) .
Bills through: Upmc Western Maryland Corporation
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
| AbbVie | $561 |
| Salix Pharmaceuticals | $412 |
| Valeant Pharmaceuticals North America | $187 |
Other
| Food and Beverage | $2255 |
Additional Specialities
- Internist
Looking for more Gastroenterologists?
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Questions & Answers
Where can you meet with Dr. Napoleon C. Marcelo?
Dr. Napoleon C. Marcelo's office is located at 4000 Mitchellville Road Suite 430B in Bowie, MD 20716.
Does Dr. Napoleon C. Marcelo have affiliation with practices?
Dr. Napoleon C. Marcelo is affiliated with Digestive Disease Specialists PA.
What conditions does Dr. Napoleon C. Marcelo treat?
Dr. Napoleon C. Marcelo provides treatment for Abdominal Pain, Bad Breath, Esophagitis, Gastritis, Headache, Heartburn. For the full list see this list.