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

Individual provider Anesthesiology Physician · NPI 1962493510

Dr. Keith Harold Baker, MDPHD is an Anesthesiology in Boston, Massachusetts. Graduated from Washington University School of Medicine in 1992, 34 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
34
Trained at
Washington University School of Medicine
Licensed in
MA
In the registry since
2005
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Practice location Address checks out

55 Fruit St Cln 3
Boston, MA 02114-2696
Phone: (617) 726-3030
Fax: (617) 724-8500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 81303 (MA)

Record details

NPI number1962493510
Entity typeIndividual (Type 1)
GenderMale
Credentials MDPHD
Sole proprietorNo
NPI enumeratedNovember 2, 2005
Last updated in NPPESJuly 13, 2026
Mailing addressPo Box 9142, Charlestown, MA 02129-9142

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolWASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1992 (34 years in practice)
Group practice Massachusetts General Physicians Organization Inc — 3484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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