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

Gary J. Schummer, APC

Organization Clinical Psychologist · NPI 1942246582

Gary J. Schummer, APC is a Clinical Psychologist in Mission Viejo, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
APC — A professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

27725 Santa Margarita Pkwy Ste 215
Mission Viejo, CA 92691-6704
Phone: (949) 272-3870
Fax: (949) 951-2802
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY 12832 (CA)

Record details

NPI number1942246582
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Rachel Du Bruyne — Clinic Administrator · (949) 272-3870
Other names Add Treatment Center
NPI enumeratedJune 21, 2006
Last updated in NPPESAugust 22, 2020
Mailing address27725 Santa Margarita Pkwy, Suite 215, Mission Viejo, CA 92691-6704

Other providers in Mission Viejo