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

Michelle Rullan Johnson, MD

Individual provider Skilled Nursing Facility · NPI 1114285905

Michelle Rullan Johnson, MD is a Geriatric Medicine in Cambridge, Massachusetts. Graduated from New York University School of Medicine in 2012, 14 years ago. Practices with Cambridge Public Health Commission, a 649-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
14
Trained at
New York University School of Medicine
Licensed in
MA
In the registry since
2012
Specialties on file
4
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

119 Windsor St
Cambridge, MA 02139-3647
Phone: (617) 665-3600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence 265139 (MA)
Skilled Nursing Facility Taxonomy 314000000X · Licence 265139 (MA)
Primary Care Clinic/Center Taxonomy 261QP2300X · Licence 265139 (MA)
Family Medicine Physician Taxonomy 207Q00000X · Licence 265139 (MA)

Record details

NPI number1114285905
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 30, 2012
Last updated in NPPESDecember 19, 2025
Certification dateDecember 19, 2025
Mailing address10 Beacon St, Somerville, MA 02143-4311

Medicare enrollment

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

Medicare specialtyGERIATRIC MEDICINE
Also practisesFAMILY PRACTICE
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice Cambridge Public Health Commission — 649 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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