HOLLY ANN OLALIA DNP, PMHNP
NPI 1538751409
Nurse Practitioner - Psychiatric/Mental Health in Aliso Viejo, CA
About Holly Ann Olalia Dnp, Pmhnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HOLLY ANN OLALIA DNP, PMHNP (NPI 1538751409) is an individual psychiatric/mental health provider in Aliso Viejo, California, licensed in California (95026465) and active in the NPI registry since February 2021. She is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2023).
NPPES Registry Identity
Specialties & Licenses 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Holly Ann Olalia Dnp, Pmhnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Holly Ann Olalia reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Long Beach, CA 90815
- Reassigned Medicare billing, California enrollment
- 32 clinicians in this Medicare group
Gardena, CA 90248
- Reassigned Medicare billing, California enrollment
- 375 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92656 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ALISO VIEJO, CA 92656
ALISO VIEJO, CA 92656
ALISO VIEJO, CA 92656
ALISO VIEJO, CA 92656
ALISO VIEJO, CA 92656
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Holly Ann Olalia's NPI number?
The NPI number for Holly Ann Olalia is 1538751409. It was assigned to this individual provider in the NPPES registry on February 10, 2021.
Where is Holly Ann Olalia located?
Holly Ann Olalia practices at 24552 Pacific Park Dr, Aliso Viejo, CA 92656. The listed phone number is (949) 647-4618.
What is Holly Ann Olalia's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Holly Ann Olalia enrolled in Medicare?
Yes. Holly Ann Olalia is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Holly Ann Olalia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Holly Ann Olalia reassigns Medicare benefits to 2 organizations: Thomas Health Services Inc (Long Beach, CA) and Ehab Yacoub MD Inc. (Gardena, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Holly Ann Olalia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Holly Ann Olalia was last updated on March 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Holly Ann Olalia, DNP, PMHNP · NPI 1538751409
Psychiatric/Mental Health physician in Aliso Viejo, California. Individual provider, active in the CMS NPPES registry since February 10, 2021.
## Identity
- **NPI:** 1538751409 (Entity type: Individual)
- **Enumerated:** February 10, 2021
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 95026465 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 24552 PACIFIC PARK DR, Aliso Viejo, CA 92656-3055
- **Phone:** (949) 647-4618
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Thomas Health Services Inc (NPI 1659972099, Long Beach, CA); Ehab Yacoub MD Inc. (NPI 1417373713, Gardena, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 2023
## Record status
- **NPPES last updated:** March 12, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1538751409) · Data from the CMS NPPES public registry.