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

Holly Ann Olalia, DNP, PMHNP

Individual provider Registered Nurse · NPI 1538751409

Holly Ann Olalia, DNP, PMHNP is a Nurse Practitioner in Aliso Viejo, California. Graduated from Loma Linda University School of Medicine in 2023, 3 years ago. Practices with Thomas Health Services Inc, a 32-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
3
Trained at
Loma Linda University School of Medicine
Licensed in
CA
In the registry since
2021
Specialties on file
3
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.

See every abbreviation used in this directory →

Practice location Address checks out

24552 Pacific Park Dr
Aliso Viejo, CA 92656-3055
Phone: (949) 647-4618
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 95026465 (CA)
Registered Nurse Taxonomy 163W00000X · Licence 95153559 (CA)
Child & Adolescent Psychiatric/Mental Health Registered Nurse Taxonomy 163WP0807X · Licence 95153559 (CA)

Record details

NPI number1538751409
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNP , PMHNP
Sole proprietorNo
NPI enumeratedFebruary 10, 2021
Last updated in NPPESMarch 12, 2024
Certification dateMarch 12, 2024

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2023 (3 years in practice)
Group practice Thomas Health Services Inc — 32 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Aliso Viejo