What is Theresa DO's NPI number?

Theresa DO's National Provider Identifier (NPI) is 1598640757, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Theresa DO's specialty?

Theresa DO is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).

Where is Theresa DO located?

Theresa DO's practice location on file with NPPES is 8175 Larson Ave Apt D, Garden Grove, CA 92844-1072.

What is Theresa DO's phone number?

The practice phone number listed in the NPPES registry for Theresa DO is (657) 334-9527.

Is Theresa DO's NPI active?

Yes — Theresa DO's NPI (1598640757) is active in the NPPES registry as of the last update on 2025-08-07.

IndividualActive

Theresa DO

NPI 1598640757 · Behavior Analyst · Garden Grove, CA

Theresa DO is a Behavior Analyst provider in Garden Grove, CA (NPI 1598640757).

Provider details

NPI number: 1598640757
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Behavior AnalystPrimary103K00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(48/100 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
83% 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

8175 Larson Ave Apt D

Garden Grove, CA 92844-1072

Phone: (657) 334-9527

Street-level locationGet directions

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Mailing address