M. Mazen Jamal, M.D., M.P.H.
Gastroenterology Internal Medicine
With over 45 years in internal medicine, M. Mazen Jamal, M.D., M.P.H. is a long-established gastroenterologist in Corona. He has been practicing since 2006 — over 45 years. Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), and more.
Data updated 2021-06-24 on CMS NPPES
Contact & Location
Practice Location
2097 Compton Ave Ste 103, Corona, CA 92881-7289
Patient Reviews
No patient reviews yet. If you've seen M. Mazen Jamal, your feedback helps other patients.
Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →
Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.
Taxonomy: 207RG0100X
Virtual Internal Medicine Care With M. Mazen Jamal
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with M. Mazen Jamal for follow-ups, medication reviews, and ongoing care — no travel to Corona required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about M. Mazen Jamal
NPI records show Dr. Jamal as active with telehealth listed in Corona, CA. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (951) 934-0505.
Is this your profile?
Verify credentials, update practice details, and manage telehealth.
Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact M. Mazen Jamal
Practice Location
2097 Compton Ave Ste 103, Corona, CA 92881-7289
Mailing Address
29 Praire, Irvin, CA 92618
This is a provider directory. Contact the office directly to schedule appointments.
Related Providers
Gastroenterology Internal Medicine in CA
See allJohn Kane, MD
San Francisco, CA
Mahmood Pazirandeh, MD, FACP, FACR
San Diego, CA
Yzhar Charuzi, M.D
Los Angeles, CA