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

Stephen J. Clark, MD, Inc

Organization Infectious Disease Physician · NPI 1801938881

Stephen J. Clark, MD, Inc is an Infectious Disease Physician in Arcata, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

3798 Janes Rd Ste 7
Arcata, CA 95521-4753
Phone: (707) 825-7765
Show map & directions

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

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence G86858 (CA)

Record details

NPI number1801938881
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Stephen Clark — President · (707) 825-7765
NPI enumeratedFebruary 13, 2007
Last updated in NPPESFebruary 18, 2008
Mailing addressPo Box 496084, Redding, CA 96049-6084