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

Robert Lionel Jack, MD

Individual provider Specialist · NPI 1376601443

Robert Lionel Jack, MD is a Specialist in Menlo Park, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1225 Crane St
Menlo Park, CA 94025-4257
Phone: (650) 323-0231
Fax: (650) 565-8297
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence G17236 (CA)

Record details

NPI number1376601443
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 4, 2006
Last updated in NPPESJanuary 3, 2012
Mailing address2452 Watson Ct, Palo Alto, CA 94303-3216

Other providers in Menlo Park