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

Dr. Thomas Eugene Loncar, MD

Individual provider Surgery Physician · NPI 1710915319

Dr. Thomas Eugene Loncar, MD is a Surgery Physician in Eureka, 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.

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Practice location Address checks out

2321 Harrison Ave
Eureka, CA 95501-3216
Phone: (707) 442-8500
Fax: (707) 476-8431
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence C037140 (CA)

Record details

NPI number1710915319
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 30, 2006
Last updated in NPPESJuly 8, 2007
Mailing address2321 Harrison Ave, Eureka, CA 95501-3216

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