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

Hoag Urgent Care - Rsm Inc

Organization Emergency Care Clinic/Center · NPI 1043504103

Hoag Urgent Care - Rsm Inc is an Emergency Care Clinic/Center in Tustin, California. Licensed in California. Registered with an NPI since 2011.

Licensed in
CA
In the registry since
2011
Specialties on file
4
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

18231 Irvine Blvd Ste 204
Tustin, CA 92780-3432
Phone: (714) 389-5700
Fax: (714) 389-6973
Show map & directions

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

Specialties & licences

Urgent Care Clinic/Center (primary) Taxonomy 261QU0200X · Licence G34265 (CA)
Emergency Care Clinic/Center Taxonomy 261QE0002X · Licence G34265 (CA)
Multi-Specialty Clinic/Center Taxonomy 261QM1300X · Licence G34265 (CA)
Occupational Medicine Clinic/Center Taxonomy 261QX0100X · Licence G34265 (CA)

Record details

NPI number1043504103
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Robert Amster — Owner · (714) 389-5700
NPI enumeratedJune 7, 2011
Last updated in NPPESJune 7, 2011
Mailing address18231 Irvine Blvd, Ste 204, Tustin, CA 92780-3432