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

Mr. Isaiah Marcus MA

Individual provider Mental Health Counselor · NPI 1598410599

Mr. Isaiah Marcus MA is a Mental Health Counselor in Pasadena, California. Works from 2 locations. Registered with an NPI since 2022.

In the registry since
2022
Specialties on file
3

Practice location Address checks out

867 N Fair Oaks Ave
Pasadena, CA 91103-3050
Phone: (626) 993-3100
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 406 California St Unit D, Arcadia, CA 91006-3773 — (626) 235-3381

Specialties & licences

Rehabilitation Practitioner (primary) Taxonomy 225400000X
Mental Health Counselor Taxonomy 101YM0800X
Case Manager/Care Coordinator Taxonomy 171M00000X

Record details

NPI number1598410599
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedFebruary 17, 2022
Last updated in NPPESJune 2, 2025
Certification dateJune 2, 2025

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