Mr Mark Michael Chung, MD - Medicare Pulmonary Disease in Cerritos, CA

Mr Mark Michael Chung, MD is a medicare enrolled "Internal Medicine" physician in Cerritos, California. He graduated from medical school in 1982 and has 42 years of diverse experience with area of expertise as Pulmonary Disease. He is a member of the group practice Caduceus Physicians Medical Group and his current practice location is 11821 South St, Cerritos, California. You can reach out to his office (for appointments etc.) via phone at (562) 991-5679.

Mr Mark Michael Chung is licensed to practice in California (license number G52290) 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 1740290378.

Contact Information

Mr Mark Michael Chung, MD
11821 South St,
Cerritos, CA 90703-6825
(562) 991-5679
(562) 991-5681

Map and Direction




Physician's Profile

Full NameMr Mark Michael Chung
GenderMale
SpecialityPulmonary Disease
Experience42 Years
Location11821 South St, Cerritos, 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:
  • Mr Mark Michael Chung graduated from medical school in 1982
  NPI Data:
  • NPI Number: 1740290378
  • Provider Enumeration Date: 08/08/2006
  • Last Update Date: 10/13/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 7911817929
  • Enrollment ID: I20100928000232

Medical Identifiers

Medical identifiers for Mr Mark Michael Chung such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1740290378NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207QS1201XFamily Medicine - Sleep Medicine G52290 (California)Secondary
207RP1001XInternal Medicine - Pulmonary Disease G52290 (California)Secondary
207R00000XInternal Medicine G52290 (California)Primary

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. Mr Mark Michael Chung allows following entities to bill medicare on his behalf.
Entity NameCaduceus Physicians Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497702724
PECOS PAC ID: 5294762654
Enrollment ID: O20050718001020

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. Mr Mark Michael Chung 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
Mr Mark Michael Chung, MD
P.o. Box 5279,
Los Alamitos, CA 90721

Ph: (562) 598-1002
Mr Mark Michael Chung, MD
11821 South St,
Cerritos, CA 90703-6825

Ph: (562) 991-5679

Reviews and Comments


Internal Medicine Doctors in Cerritos, CA

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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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