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

Dr. John James Sullivan, MD

Individual provider Pediatrics Physician · NPI 1124107081

Dr. John James Sullivan, MD is a Pediatrics Physician in Eureka, California. Practices as a sole proprietor. Licensed in California.

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

525 2nd St #300
Eureka, CA 95501-5107
Phone: (707) 445-0893
Fax: (707) 444-2563
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

Pediatrics Physician (primary) Taxonomy 208000000X · Licence G37184 (CA)

Record details

NPI number1124107081
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 3, 2006
Last updated in NPPESDecember 31, 2013

Other providers in Eureka