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

Stephen Lindsay Viltrakis, MD

Individual provider Diagnostic Radiology Physician · NPI 1992891295

Stephen Lindsay Viltrakis, MD is a Diagnostic Radiology in Fortuna, California. Graduated from University of Wisconsin School of Medicine in 1990, 36 years ago. Practices with Humboldt Radiology Medical Group, Inc, a 13-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
36
Trained at
University of Wisconsin School of Medicine
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

3300 Renner Dr
Fortuna, CA 95540
Phone: (707) 725-3361
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence G72357 (CA)

Record details

NPI number1992891295
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 5, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice Humboldt Radiology Medical Group,Inc — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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