Mark Chu, DO - Medicare Gastroenterology in New York, NY

Mark Chu, DO is a medicare enrolled "Internal Medicine - Gastroenterology" physician in New York, New York. He graduated from medical school in 1993 and has 31 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Downtown Gastroenterology Associates Pc and his current practice location is 13-17 Elizabeth Street, Ste 608, New York, New York. You can reach out to his office (for appointments etc.) via phone at (212) 219-8031.

Mark Chu is licensed to practice in New York (license number 196705) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1588755565.

Contact Information

Mark Chu, DO
13-17 Elizabeth Street, Ste 608,
New York, NY 10013
(212) 219-8031
(212) 219-3903

Map and Direction




Physician's Profile

Full NameMark Chu
GenderMale
SpecialityGastroenterology
Experience31 Years
Location13-17 Elizabeth Street, New York, New York
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mark Chu graduated from medical school in 1993
  NPI Data:
  • NPI Number: 1588755565
  • Provider Enumeration Date: 09/27/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 5395715296
  • Enrollment ID: I20040728001034

Medical Identifiers

Medical identifiers for Mark Chu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1588755565NPI-NPPES
01987824MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 196705 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Downtown Gastroenterology Associates Pc16583414743

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. Mark Chu allows following entities to bill medicare on his behalf.
Entity NameDowntown Gastroenterology Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003976960
PECOS PAC ID: 1658341474
Enrollment ID: O20040729000251

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. Mark Chu 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
Mark Chu, DO
13-17 Elizabeth Street, Ste 608,
New York, NY 10013

Ph: (212) 219-8031
Mark Chu, DO
13-17 Elizabeth Street, Ste 608,
New York, NY 10013

Ph: (212) 219-8031

Reviews and Comments


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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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