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MARILYN KOO
NPI 1700454709
Counselor - Addiction (Substance Use Disorder) in Long Beach, CA

Active since June 15, 2021
1360 E ANAHEIM ST, LONG BEACH, CA 90813(562) 218-9530 Get Directions Write a Review

NPPES record last updated: June 15, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Marilyn Koo NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARILYN KOO (NPI 1700454709) is an individual addiction (substance use disorder) provider in Long Beach, California and active in the NPI registry since June 2021.

NPPES Registry Identity

NPI1700454709
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMARILYN KOO
Location Address1360 E ANAHEIM STLong Beach, CA 90813-5514
Mailing Address1188 E Woodbury RdPasadena, CA 91104-1300 · (626) 240-9927
Phone(562) 218-9530
Sole ProprietorNo
Enumeration DateJune 15, 2021
NPPES CertifiedJune 15, 2021
✔ NPI 1700454709 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
1360 E ANAHEIM ST, Long Beach, CA 90813
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Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

COMMUNITY MEDICAL WELLNESS CENTERS USA
Clinic/Center (Federally Qualified Health Center (FQHC))
1360 E ANAHEIM ST, SUITE 101
LONG BEACH, CA 90813
Los Angeles County (562) 270-0324
BRANDON T. NGUYEN, DMD, INC.
Clinic/Center (Dental)
1360 E ANAHEIM ST, SUITE 109
LONG BEACH, CA 90813
Los Angeles County (562) 599-3838
KELLY JAVONILLO
Counselor (Addiction (Substance Use Disorder))
1360 E ANAHEIM ST
LONG BEACH, CA 90813
Los Angeles County (562) 218-9530
DR. BRANDON T. NGUYEN D.M.D
Dentist (General Practice)
1360 E ANAHEIM ST, SUITE 109
LONG BEACH, CA 90813
Los Angeles County (562) 599-3838

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 Marilyn Koo's NPI number?

The NPI number for Marilyn Koo is 1700454709. It was assigned to this individual provider in the NPPES registry on June 15, 2021.

Where is Marilyn Koo located?

Marilyn Koo practices at 1360 E Anaheim St, Long Beach, CA 90813. The listed phone number is (562) 218-9530.

What is Marilyn Koo's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Marilyn Koo was last updated on June 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.