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

Dr John Helmer Psychologist APC

Organization Clinical Psychologist · NPI 1457015430

Dr John Helmer Psychologist APC is a Clinical Psychologist in LA Mesa, California. Registered with an NPI since 2021.

In the registry since
2021
Specialties on file
2
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

5360 Jackson Dr Ste 220-C
LA Mesa, CA 91942-6002
Phone: (619) 439-8479
Fax: (619) 916-2457
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X
Clinical Social Worker Taxonomy 1041C0700X

Record details

NPI number1457015430
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Helmer — President · (619) 439-8479
NPI enumeratedOctober 26, 2021
Last updated in NPPESApril 16, 2026
Certification dateApril 16, 2026
Mailing address5360 Jackson Dr Ste 220-C, La Mesa, CA 91942-6002

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