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

Individual provider Pediatrics Physician · NPI 1003812744

Dr. Mark Gregory Ellis, MD is a Pediatrics Physician in Eureka, California. Works from 3 locations. Licensed in California.

Licensed in
CA
In the registry since
2005
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

2200 Tydd St
Eureka, CA 95501-1284
Phone: (707) 269-7051
Fax: (707) 269-7054
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2800 Harris St, Eureka, CA 95503-4809 — (707) 445-8416
  • 2800 Harris St, Eureka, CA 95503-4809 — (707) 445-8416

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence G65432 (CA)

Record details

NPI number1003812744
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 27, 2005
Last updated in NPPESMarch 17, 2018

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