Dr Dennis Y Chan, M D - Medicare Gastroenterology in Monterey Park, CA

Dr Dennis Y Chan, M D is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Monterey Park, California. He graduated from medical school in 1980 and has 44 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Global Gastroenterology Group Inc and his current practice location is 500 N Garfield Ave, Suite 107, Monterey Park, California. You can reach out to his office (for appointments etc.) via phone at (626) 280-3225.

Dr Dennis Y Chan is licensed to practice in California (license number A43296) 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 1053343434.

Contact Information

Dr Dennis Y Chan, M D
500 N Garfield Ave, Suite 107,
Monterey Park, CA 91754-1242
(626) 280-3225
(626) 280-4222

Map and Direction




Physician's Profile

Full NameDr Dennis Y Chan
GenderMale
SpecialityGastroenterology
Experience44 Years
Location500 N Garfield Ave, Monterey Park, 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:
  • Dr Dennis Y Chan graduated from medical school in 1980
  NPI Data:
  • NPI Number: 1053343434
  • Provider Enumeration Date: 07/07/2006
  • Last Update Date: 03/03/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 4183611635
  • Enrollment ID: I20101022000014

Medical Identifiers

Medical identifiers for Dr Dennis Y Chan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1053343434NPI-NPPES
00A432961MedicaidCA
00A432960OtherBLUE SHIELD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology A43296 (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. Dr Dennis Y Chan allows following entities to bill medicare on his behalf.
Entity NameGlobal Gastroenterology Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073020186
PECOS PAC ID: 5395090120
Enrollment ID: O20180620000772

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. Dr Dennis Y Chan 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
Dr Dennis Y Chan, M D
Po Box 6427,
Alhambra, CA 91802-6427

Ph: (626) 280-3225
Dr Dennis Y Chan, M D
500 N Garfield Ave, Suite 107,
Monterey Park, CA 91754-1242

Ph: (626) 280-3225

Reviews and Comments


Internal Medicine Doctors in Monterey Park, CA

William Yow Jung Chang, MD
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Eric Cui,
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Phone: 626-284-1350    Fax: 626-284-2454
Chin Shun Shih, M.D.
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Medicare: Medicare Enrolled
Practice Location: 223 N Garfield Ave Ste 305, Monterey Park, CA 91754
Phone: 626-573-1941    Fax: 626-573-5624
Dr. Yang Liu, M.D.
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Practice Location: 120 W Hellman Ave Ste 201, Monterey Park, CA 91754
Phone: 626-280-3003    
Chia Chi George Lai, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 500 N Garfield Ave, 100, Monterey Park, CA 91754
Phone: 626-280-5009    

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.