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

Charles O Masaki, MBCHB

Individual provider Emergency Medicine Physician · NPI 1821518051

Charles O Masaki, MBCHB is a Psychiatry in Boston, Massachusetts. Qualified in 2011, 15 years ago. Practices with Mass General Brigham Medical Group Suburban Massachusetts Inc, a 532-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
15
Licensed in
MA
In the registry since
2017
Specialties on file
2
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Practice location Partly verified

Some contact details are missing from the federal record.

Massachusetts General Hospital 55 Fruit St
Boston, MA 02114
Phone: (617) 643-4294
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 287133 (MA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 272193 (MA)

Record details

NPI number1821518051
Entity typeIndividual (Type 1)
GenderMale
Credentials MBCHB
Sole proprietorNo
NPI enumeratedJune 20, 2017
Last updated in NPPESJune 30, 2021
Certification dateJune 30, 2021

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Mass General Brigham Medical Group Suburban Massachusetts Inc — 532 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Boston