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

Dr. James Ralph Jacobs, MD, PHD

Individual provider Emergency Medicine Physician · NPI 1346480308

Dr. James Ralph Jacobs, MD, PHD is an Emergency Medicine Physician in Stanford, California. Licensed in California, North Carolina, New York and Ohio. Registered with an NPI since 2009.

Licensed in
CA, NC, NY, OH
In the registry since
2009
Specialties on file
4
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.

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Practice location Address checks out

866 Campus Dr Ste 226
Stanford, CA 94305-8508
Phone: (650) 621-0851
Fax: (650) 723-4999
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 127979 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 094686 (OH)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 96-01157 (NC)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 230097 (NY)

Record details

NPI number1346480308
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMarch 3, 2009
Last updated in NPPESJune 2, 2025
Certification dateJune 2, 2025
Mailing address866 Campus Dr Ste 226, Stanford, CA 94305-8508

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