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

Joshua SIU Lim Ng, MDCM, MPH

Individual provider Surgical Critical Care Physician · NPI 1295311462

Joshua SIU Lim Ng, MDCM, MPH is a General Surgery in Boston, Massachusetts. Graduated from McGill University, Faculty of Medicine in 2012, 14 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Hawaii.

Years since qualifying
14
Trained at
McGill University, Faculty of Medicine
Licensed in
HI
In the registry since
2021
Specialties on file
3
What do these letters mean?
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

55 Fruit St
Boston, MA 02114-2621
Phone: (808) 675-1449
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1301 Punchbowl St # 134, Honolulu, HI 96813-2499 — (808) 691-8517

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence MD-21767 (HI)
Surgical Critical Care Physician Taxonomy 2086S0102X · Licence MD-21767 (HI)
Trauma Surgery Physician Taxonomy 2086S0127X · Licence MD-21767 (HI)

Record details

NPI number1295311462
Entity typeIndividual (Type 1)
GenderMale
Credentials MDCM , MPH
Sole proprietorNo
NPI enumeratedMarch 19, 2021
Last updated in NPPESAugust 26, 2023
Certification dateAugust 26, 2023

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolMCGILL UNIVERSITY, FACULTY OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice Massachusetts General Physicians Organization Inc — 3484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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