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

William Herndon Johnson, MD

Individual provider Diagnostic Radiology Physician · NPI 1538266481

William Herndon Johnson, MD is a Diagnostic Radiology Physician in Oceanside, 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.

See every abbreviation used in this directory →

Practice location Address checks out

3156 Vista Way Ste 100
Oceanside, CA 92056-3622
Phone: (760) 547-8000
Fax: (760) 547-8001
Show map & directions

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

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence C33577 (CA)

Record details

NPI number1538266481
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 20, 2006
Last updated in NPPESMarch 5, 2012

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