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

Mr. Ralph Allan Adiong Osorio, RN, MSN, NP-C

Individual provider Family Nurse Practitioner · NPI 1578101531

Mr. Ralph Allan Adiong Osorio, RN, MSN, NP-C is a Family Nurse Practitioner in Norwalk, California. Licensed in California. Registered with an NPI since 2019.

Licensed in
CA
In the registry since
2019
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
NP-C — Nurse Practitioner, Certified
A nurse practitioner certified by the AANP.

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Practice location Address checks out

13939 San Antonio Dr
Norwalk, CA 90650-4036
Phone: (562) 807-3777
Fax: (562) 807-2333
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 95006751 (CA)

Record details

NPI number1578101531
Entity typeIndividual (Type 1)
GenderMale
Credentials RN , MSN , NP-C
Sole proprietorNo
NPI enumeratedDecember 20, 2019
Last updated in NPPESDecember 20, 2019
Certification dateDecember 20, 2019

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