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

Dr. Marjorie Antoinette Janvier

Individual provider Internal Medicine Physician · NPI 1598931628

Dr. Marjorie Antoinette Janvier is an Internal Medicine in Roxbury, Massachusetts. Graduated from Tufts University School of Medicine in 2007, 19 years ago. Practices with Uphams Corner Health Committee Inc, a 27-clinician group and accepts Medicare assignment. Licensed in Massachusetts and Michigan.

Years since qualifying
19
Trained at
Tufts University School of Medicine
Licensed in
MA, MI
In the registry since
2008
Specialties on file
3
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Practice location Address checks out

45 Dimock St
Roxbury, MA 02119-1208
Phone: (617) 442-8800
Fax: (617) 541-8472
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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 232734 (MA)
Electrodiagnostic Medicine Physician Taxonomy 204R00000X · Licence 245681 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 245681 (MA)

Record details

NPI number1598931628
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedMay 8, 2008
Last updated in NPPESFebruary 25, 2020
Certification dateFebruary 25, 2020

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesINFECTIOUS DISEASE
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice Uphams Corner Health Committee Inc — 27 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Roxbury