Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Matthew Y SIU, MD

Individual provider Family Medicine Physician · NPI 1467441816

Matthew Y SIU, MD is a Family Practice in Malden, Massachusetts. Qualified in 1972, 54 years ago. Practices with Hallmark Health Medical Associates Inc, a 149-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
54
Licensed in
MA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

578 Main St Hallmark Health Medical Associates
Malden, MA 02148-3900
Phone: (781) 321-3422
Fax: (781) 321-1863
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 78886 (MA)

Record details

NPI number1467441816
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 18, 2005
Last updated in NPPESFebruary 24, 2015
Mailing address578 Main St, Hallmark Health Medical Associates, Malden, MA 02148-3900

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1972 (54 years in practice)
Group practice Hallmark Health Medical Associates Inc — 149 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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