MARCELYN OPAL BILLY
NPI 1538840939
Social Worker in Oceanside, CA
About Marcelyn Opal Billy NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARCELYN OPAL BILLY (NPI 1538840939) is an individual social worker in Oceanside, California, licensed in California (ASW110331) and active in the NPI registry since July 2023.
NPPES Registry Identity
Specialties & Licenses
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OCEANSIDE, CA 92054
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Marcelyn Billy's NPI number?
The NPI number for Marcelyn Billy is 1538840939. It was assigned to this individual provider in the NPPES registry on July 27, 2023.
Where is Marcelyn Billy located?
Marcelyn Billy practices at 1816 Portofino Dr, Oceanside, CA 92054. The listed phone number is (760) 433-6361.
What is Marcelyn Billy's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
When was this NPI record last updated?
The NPPES record for Marcelyn Billy was last updated on October 15, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
