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

Dr. Joseph Jay Baker, MD, MPH

Individual provider Family Medicine Physician · NPI 1144338138

Dr. Joseph Jay Baker, MD, MPH is a Family Practice in Boston, Massachusetts. Graduated from Georgetown University School of Medicine in 2000, 26 years ago. Practices with Fenway Community Health Center, Inc, a 81-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
26
Trained at
Georgetown University School of Medicine
Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

1340 Boylston St
Boston, MA 02215-4302
Phone: (617) 267-0900
Fax: (617) 247-3460
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 245637 (MA)

Record details

NPI number1144338138
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedAugust 29, 2006
Last updated in NPPESApril 25, 2021
Certification dateApril 25, 2021
Mailing address1340 Boylston St, Boston, MA 02215-4302

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Fenway Community Health Center, Inc — 81 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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