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

Dr. Daniel Billings Fisher, MD, PHD

Individual provider Psychiatry Physician · NPI 1023189156

Dr. Daniel Billings Fisher, MD, PHD is a Psychiatry Physician in Cambridge, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

25 Bigelow St
Cambridge, MA 02139-2301
Phone: (617) 491-6775
Fax: (617) 492-5729
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 41508 (MA)

Record details

NPI number1023189156
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedNovember 12, 2006
Last updated in NPPESJuly 8, 2007

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