Matthew Y Siu, MD - Medicare Family Practice in Malden, MA

Matthew Y Siu, MD is a medicare enrolled "Family Medicine" physician in Malden, Massachusetts. He graduated from medical school in 1972 and has 52 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Hallmark Health Medical Associates Inc and his current practice location is 578 Main St, Hallmark Health Medical Associates, Malden, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (781) 321-3422.

Matthew Y Siu is licensed to practice in Massachusetts (license number 78886) 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 1467441816.

Contact Information

Matthew Y Siu, MD
578 Main St, Hallmark Health Medical Associates,
Malden, MA 02148-3900
(781) 321-3422
(781) 321-1863

Map and Direction




Physician's Profile

Full NameMatthew Y Siu
GenderMale
SpecialityFamily Practice
Experience52 Years
Location578 Main St, Malden, Massachusetts
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:
  • Matthew Y Siu graduated from medical school in 1972
  NPI Data:
  • NPI Number: 1467441816
  • Provider Enumeration Date: 10/18/2005
  • Last Update Date: 02/24/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 0840282158
  • Enrollment ID: I20040330000637

Medical Identifiers

Medical identifiers for Matthew Y Siu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1467441816NPI-NPPES
3129080MedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 78886 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Home Health Of HaverhillLawrence, MAHome health agency
Melrosewakefield HealthcareMelrose, MAHospital
Tufts Medical CenterBoston, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Hallmark Health Medical Associates Inc4385638782133

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. Matthew Y Siu allows following entities to bill medicare on his behalf.
Entity NameHallmark Health Medical Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770563900
PECOS PAC ID: 4385638782
Enrollment ID: O20040409000006

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. Matthew Y Siu 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
Matthew Y Siu, MD
578 Main St, Hallmark Health Medical Associates,
Malden, MA 02148-3900

Ph: (781) 321-3422
Matthew Y Siu, MD
578 Main St, Hallmark Health Medical Associates,
Malden, MA 02148-3900

Ph: (781) 321-3422

Reviews and Comments


Family Medicine Doctors in Malden, MA

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Dr. Patricia Ann Sereno, MD
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Phone: 781-338-7400    Fax: 781-338-7405

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.