HANNAH MARIE OSTUNIO APCC
NPI 1710811138
Counselor - Mental Health in Tustin, CA
About Hannah Marie Ostunio Apcc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HANNAH MARIE OSTUNIO APCC (NPI 1710811138) is an individual mental health provider in Tustin, California, licensed in California (21392) and active in the NPI registry since June 2026.
NPPES Registry Identity
Specialties & Licenses
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Hannah Ostunio's NPI number?
The NPI number for Hannah Ostunio is 1710811138. It was assigned to this individual provider in the NPPES registry on June 10, 2026.
Where is Hannah Ostunio located?
Hannah Ostunio practices at 1 Hope Dr, Tustin, CA 92782. The listed phone number is (714) 247-4300.
What is Hannah Ostunio's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
When was this NPI record last updated?
The NPPES record for Hannah Ostunio was last updated on June 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Hannah Marie Ostunio, APCC · NPI 1710811138
Mental Health provider in Tustin, California. Individual provider, active in the CMS NPPES registry since June 10, 2026.
## Identity
- **NPI:** 1710811138 (Entity type: Individual)
- **Enumerated:** June 10, 2026
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **State license:** 21392 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 HOPE DR, Tustin, CA 92782-0221
- **Phone:** (714) 247-4300
## Record status
- **NPPES last updated:** June 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1710811138) · Data from the CMS NPPES public registry.