Holly Ann Olalia, DNP, PMHNP
NPI 1538751409 · Psychiatric/Mental Health Nurse Practitioner · Aliso Viejo, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Holly Ann Olalia, DNP, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in Aliso Viejo, CA (NPI 1538751409).
Provider details
- NPI number
- 1538751409
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, PMHNP
- Sex
- Female
- Sole proprietor
- No
- License
- 95153559 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
Registry dates
- Enumerated
- 2021-02-10
- Last updated
- 2024-03-12
- Certified
- 2024-03-12
Frequently asked questions
- What is Holly Ann Olalia's NPI number?
- Holly Ann Olalia's National Provider Identifier (NPI) is 1538751409, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Ann Olalia's specialty?
- Holly Ann Olalia is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Holly Ann Olalia located?
- Holly Ann Olalia's practice location on file with NPPES is 24552 Pacific Park Dr, Aliso Viejo, CA 92656-3055.
- What is Holly Ann Olalia's phone number?
- The practice phone number listed in the NPPES registry for Holly Ann Olalia is (949) 647-4618.
- Does Holly Ann Olalia accept Medicare?
- Holly Ann Olalia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Holly Ann Olalia's NPI active?
- Yes — Holly Ann Olalia's NPI (1538751409) is active in the NPPES registry as of the last update on 2024-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.