Are you Marc D. Oh, FNP-C, RN? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 31541 Rocca Dr, Castaic, CA 91384
About Marc Oh
Listed in the NPI registry as a nurse practitioner — family, Marc D. Oh, FNP-C, RN practices in Castaic, CA. NPI 1235847625 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (661) 207-1326
- Email not available
Practice Locations
31541 ROCCA DR
Castaic, CA 91384
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Common questions
What does Marc D. Oh, FNP-C specialize in?
Marc D. Oh, FNP-C is a nurse practitioner in Castaic, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where is Marc D. Oh, FNP-C located?
Marc D. Oh, FNP-C is listed at 31541 Rocca Dr, Castaic, CA 91384. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Marc D. Oh, FNP-C's phone number?
The number on file is (661) 207-1326. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Marc D. Oh, FNP-C?
Marc D. Oh, FNP-C's National Provider Identifier is 1235847625. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Marc D. Oh, FNP-C have?
Marc D. Oh, FNP-C has 4+ years experience. Registered with an NPI since 2022. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Marc D. Oh, FNP-C's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Marc D. Oh, FNP-C. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.