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

Mr. Kimiyoshi James Kobayashi, MD

Individual provider Internal Medicine Physician · NPI 1477793487

Mr. Kimiyoshi James Kobayashi, MD is a Hospitalist in Worcester, Massachusetts. Graduated from Johns Hopkins University School of Medicine in 2010, 16 years ago. Practices with Umass Memorial Medical Group Inc, a 2,467-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts and Maryland.

Years since qualifying
16
Trained at
Johns Hopkins University School of Medicine
Licensed in
MA, MD
In the registry since
2009
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

55 Lake Ave N
Worcester, MA 01655-0002
Phone: (508) 334-8515
Fax: (508) 334-6490
Show map & directions

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

Additional practice locations (1)

  • 600 N Wolfe St Fl 2, Baltimore, MD 21287-0005 — (410) 502-9236

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 253076 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence D84140 (MD)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1477793487
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 3, 2009
Last updated in NPPESNovember 4, 2020
Certification dateNovember 4, 2020

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Umass Memorial Medical Group Inc — 2467 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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