Gary J. Schummer, Apc
NPI 1942246582 · Clinical Psychologist · Mission Viejo, CA
Gary J. Schummer, Apc is a Clinical Psychologist organization in Mission Viejo, CA (NPI 1942246582).
Provider details
- NPI number
- 1942246582
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Rachel Du Bruyne, Clinic Administrator(949) 272-3870
- License
- PSY 12832 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Add Treatment Center
Registry dates
- Enumerated
- 2006-06-21
- Last updated
- 2020-08-22
Frequently asked questions
- What is Gary J. Schummer, Apc's NPI number?
- Gary J. Schummer, Apc's National Provider Identifier (NPI) is 1942246582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gary J. Schummer, Apc?
- Gary J. Schummer, Apc is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Gary J. Schummer, Apc located?
- Gary J. Schummer, Apc's practice location on file with NPPES is 27725 Santa Margarita Pkwy, Mission Viejo, CA 92691-6704.
- What is Gary J. Schummer, Apc's phone number?
- The practice phone number listed in the NPPES registry for Gary J. Schummer, Apc is (949) 272-3870.
- Who is the authorized official for Gary J. Schummer, Apc?
- The authorized official listed on Gary J. Schummer, Apc's NPPES record is Rachel Du Bruyne, Clinic Administrator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gary J. Schummer, Apc's NPI active?
- Yes — Gary J. Schummer, Apc's NPI (1942246582) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.