M Mazen Jamal, MD, MPH - Medicare Gastroenterology in Corona, CA

M Mazen Jamal, MD, MPH is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Corona, California. He graduated from medical school in 1981 and has 43 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Mj Medical Group,inc. and his current practice location is 2097 Compton Ave Ste 103, Corona, California. You can reach out to his office (for appointments etc.) via phone at (951) 934-0505.

M Mazen Jamal is licensed to practice in California (license number A46078) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1003916727.

Contact Information

M Mazen Jamal, MD, MPH
2097 Compton Ave Ste 103,
Corona, CA 92881-7289
(951) 934-0505
(951) 444-7749



Physician's Profile

Full NameM Mazen Jamal
GenderMale
SpecialityGastroenterology
Experience43 Years
Location2097 Compton Ave Ste 103, Corona, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • M Mazen Jamal graduated from medical school in 1981
  NPI Data:
  • NPI Number: 1003916727
  • Provider Enumeration Date: 09/23/2006
  • Last Update Date: 06/24/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 3274684436
  • Enrollment ID: I20090629000217

Medical Identifiers

Medical identifiers for M Mazen Jamal such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003916727NPI-NPPES
WA46078AOtherCAPPIN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 12734 (Nevada)Secondary
207RG0100XInternal Medicine - Gastroenterology A46078 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Parkview Community Hospital Medical CenterRiverside, CAHospital
Corona Regional Medical CenterCorona, CAHospital
Riverside Community HospitalRiverside, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mj Medical Group,inc.80222343844

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Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. M Mazen Jamal allows following entities to bill medicare on his behalf.
Entity NameUc Regents
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760430847
PECOS PAC ID: 7416869516
Enrollment ID: O20031118000906

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Entity NameMj Medical Group,inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699194423
PECOS PAC ID: 8022234384
Enrollment ID: O20140722001124

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Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. M Mazen Jamal is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
M Mazen Jamal, MD, MPH
29 Praire,
Irvin, CA 92618

Ph: (949) 813-5115
M Mazen Jamal, MD, MPH
2097 Compton Ave Ste 103,
Corona, CA 92881-7289

Ph: (951) 934-0505

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Internal Medicine Doctors in Corona, CA

Dr. Imran Hasnain, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 1157 W Grand Blvd, Corona, CA 92882
Phone: 951-737-1000    Fax: 951-737-1558
Mr. Narakanti Nimmagadda Rao, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 760 S Washburn Ave #7, Corona, CA 92882
Phone: 951-735-2311    Fax: 951-737-1655
Dr. Isaac K Tsai, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 341 Magnolia Ave., Suite 205, Corona, CA 92879
Phone: 951-735-4771    Fax: 951-735-3855
Mr. Gilbert Oscar Plasencia, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 2250 S Main St, Suite #201, Corona, CA 92882
Phone: 951-734-4880    Fax: 951-734-7963
Mohammad Khaled Shahin, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 21634 Retreat Pkwy, Corona, CA 92883
Phone: 951-493-6805    
Brian Youshane Chen, D.O.
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 341 Magnolia Ave Ste 205, Corona, CA 92879
Phone: 951-735-4771    Fax: 951-735-3855

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