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

Individual provider Internal Medicine Physician · NPI 1174716286

Dr. Siamak Malek, MD is an Internal Medicine in Boston, Massachusetts. Qualified in 2005, 21 years ago. Practices with Rosebud Indian Health Service, a 78-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
21
Licensed in
PA
In the registry since
2007
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

165 Cambridge St 5th Fl
Boston, MA 02114-2783
Phone: (617) 726-4900
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD434166 (PA)

Record details

NPI number1174716286
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 22, 2007
Last updated in NPPESApril 7, 2017
Mailing address165 Cambridge St, 5th Floor, Boston, MA 02114-2783

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Rosebud Indian Health Service — 78 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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