Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

M. Mazen Jamal, MD, MPH

Individual provider Gastroenterology Physician · NPI 1003916727

M. Mazen Jamal, MD, MPH is a Gastroenterology in Corona, California. Qualified in 1981, 45 years ago. Practices with Mj Medical Group, Inc, a 2-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California and Nevada.

Years since qualifying
45
Licensed in
CA, NV
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

2097 Compton Ave Ste 103
Corona, CA 92881-7289
Phone: (951) 934-0505
Fax: (951) 444-7749
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1810 Fullerton Ave Ste 203, Corona, CA 92881-3109 — (951) 934-0505

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A46078 (CA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 12734 (NV)

Record details

NPI number1003916727
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedSeptember 23, 2006
Last updated in NPPESJune 24, 2021
Certification dateJune 24, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Mj Medical Group,Inc. — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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