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

Richard Barton Day, MD

Individual provider Internal Medicine Physician · NPI 1386716959

Richard Barton Day, MD is an Internal Medicine Physician in Oceanside, California. Licensed in California and Tennessee. Registered with an NPI since 2006.

Licensed in
CA, TN
In the registry since
2006
Specialties on file
2
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

3156 Vista Way 405
Oceanside, CA 92056-3622
Phone: (760) 439-6581
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 66794 (TN)
Specialist Taxonomy 174400000X · Licence A45298 (CA)

Record details

NPI number1386716959
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 15, 2006
Last updated in NPPESOctober 2, 2024
Certification dateOctober 2, 2024
Mailing address3156 Vista Way, 405, Oceanside, CA 92056-3622

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