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

Heather Leigh Oneill, PSYD

Individual provider Clinical Psychologist · NPI 1629113634

Heather Leigh Oneill, PSYD is a Clinical Psychologist in San Diego, California. Qualified in 2008, 18 years ago. Practices with Access Psychology Services PC, a 17-clinician group, works from 8 locations and accepts Medicare assignment. Licensed in California and Indiana.

Years since qualifying
18
Licensed in
CA, IN
In the registry since
2007
Specialties on file
3
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

1045 9th Ave
San Diego, CA 92101-5504
Phone: (619) 235-2600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (7)

  • 151 Claydelle Ave, El Cajon, CA 92020-4505 — (619) 722-0014
  • 1340 E Madison Ave, El Cajon, CA 92021-8501 — (619) 722-0014
  • 675 E Bradley Ave, El Cajon, CA 92021-3110 — (619) 722-0014
  • 780 Elden Street, La Mesa, CA 91942 — (619) 722-0014
  • 902 Euclid Ave, National City, CA 91950-3808 — (619) 722-0014
  • 220 E 24th St, National City, CA 91950-6705 — (619) 722-0014
  • 541 S V Ave, National City, CA 91950-2828 — (619) 722-0014

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY30720 (CA)
Clinical Psychologist Taxonomy 103TC0700X · Licence 20042402A (IN)
Mental Health Counselor Taxonomy 101YM0800X

Record details

NPI number1629113634
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorNo
NPI enumeratedFebruary 20, 2007
Last updated in NPPESMay 15, 2026
Certification dateMay 15, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Access Psychology Services Pc — 17 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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