What is Julia Ostunio's NPI number?

Julia Ostunio's National Provider Identifier (NPI) is 1609736495, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Julia Ostunio's specialty?

Julia Ostunio is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).

Where is Julia Ostunio located?

Julia Ostunio's practice location on file with NPPES is 1 Hope Dr, Tustin, CA 92782-0221.

What is Julia Ostunio's phone number?

The practice phone number listed in the NPPES registry for Julia Ostunio is (714) 247-0300.

Is Julia Ostunio's NPI active?

Yes — Julia Ostunio's NPI (1609736495) is active in the NPPES registry as of the last update on 2025-11-13.

IndividualActive

Julia Ostunio, AMFT

NPI 1609736495 · Marriage & Family Therapist · Tustin, CA

Julia Ostunio, AMFT is a Marriage & Family Therapist provider in Tustin, CA (NPI 1609736495).

Provider details

NPI number: 1609736495
Entity type: Individual
Primary specialty: Marriage & Family TherapistBehavioral Health & Social Service Providers
Credential: AMFT
Sex: Female
Sole proprietor: Yes
License: 157940 (CA)

Specialties & taxonomies

Marriage & Family TherapistPrimary106H00000XLicense 157940 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(63/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
4 documented practice locations

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

1 Hope Dr

Tustin, CA 92782-0221

Phone: (714) 247-0300

Fax: (714) 259-1598

Street-level locationGet directions

More CA providers

Mailing address

14642 Newport Ave Ste 200

Tustin, CA 92780-6058

Additional practice locations (3)

947 S Anaheim Blvd Ste 260
Anaheim, CA 92805-5591
Phone: (714) 247-0300
Fax: (714) 259-1598
1100b N Tustin Ave Ste a
Santa Ana, CA 92705-3505
Phone: (714) 247-0300
Fax: (714) 259-1598
14642 Newport Ave Ste 200
Tustin, CA 92780-6058
Phone: (714) 247-0300
Fax: (714) 259-1598

Enumerated: 2025-11-13
Last updated: 2025-11-13
Certified: 2025-11-13

Frequently asked questions

What is Julia Ostunio's NPI number?: Julia Ostunio's National Provider Identifier (NPI) is 1609736495, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Julia Ostunio's specialty?: Julia Ostunio is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
Where is Julia Ostunio located?: Julia Ostunio's practice location on file with NPPES is 1 Hope Dr, Tustin, CA 92782-0221.
What is Julia Ostunio's phone number?: The practice phone number listed in the NPPES registry for Julia Ostunio is (714) 247-0300.
Is Julia Ostunio's NPI active?: Yes — Julia Ostunio's NPI (1609736495) is active in the NPPES registry as of the last update on 2025-11-13.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.