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

Dr. James Malcolm Borthwick, MD

Individual provider Psychiatry Physician · NPI 1366655052

Dr. James Malcolm Borthwick, MD is a Psychiatry Physician in Princeton, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2007
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

166 Bunn Dr
Princeton, NJ 08540-2800
Phone: (609) 688-9800
Fax: (609) 921-8355
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 25MA07660800 (NJ)

Record details

NPI number1366655052
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 8, 2007
Last updated in NPPESJuly 8, 2007

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