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Edit this profileWhere to find Ralph J. Koek, M.D.
- Calabasas location main office
26585 West Agoura Blvd., Ste 330, Calabasas, CA 91301 - North Hills location
16111 Plummer St, (116A-11), North Hills, CA 91343 - Los Angeles location
760 Westwood Plz Ste 58-249C, Los Angeles, CA 90024
About Dr. Koek
Based in Calabasas, CA, Ralph J. Koek, M.D. is listed in the NPI registry under psychiatry. NPI 1356428924 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
- (818) 876-1050
- Email not available
Practice Locations
26585 WEST AGOURA BLVD. STE 330
Calabasas, CA 91301
16111 Plummer St (116A-11)
North Hills, CA 91343
760 Westwood Plz Ste 58-249C
Los Angeles, CA 90024
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Common questions
What kind of doctor is Ralph J. Koek?
Ralph J. Koek is a psychiatrist in Calabasas, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
What is Ralph J. Koek's address?
Ralph J. Koek is listed at 26585 West Agoura Blvd. Ste 330, Calabasas, CA 91301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Ralph J. Koek?
The number on file is (818) 876-1050. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Ralph J. Koek's NPI number?
Ralph J. Koek's National Provider Identifier is 1356428924. 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 long has Ralph J. Koek been practicing?
Ralph J. Koek has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Ralph J. Koek confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Ralph J. Koek. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.