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

Mr. James Arthur Royster Jr., FNP

Individual provider Nurse Practitioner · NPI 1174936454

Mr. James Arthur Royster Jr., FNP is a Nurse Practitioner in Corona, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2014
Specialties on file
2
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

2083 Compton Ave
Corona, CA 92881-7283
Phone: (951) 898-8515
Fax: (951) 898-6209
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 22668 (CA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 22668 (CA)

Record details

NPI number1174936454
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP
Sole proprietorYes
NPI enumeratedJune 4, 2014
Last updated in NPPESJune 6, 2018

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