What is Leah Marcks's NPI number?

Leah Marcks's National Provider Identifier (NPI) is 1336579333, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Leah Marcks's specialty?

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

Where is Leah Marcks located?

Leah Marcks's practice location on file with NPPES is 3403b Garden Villa Ln, Austin, TX 78704-6915.

What is Leah Marcks's phone number?

The practice phone number listed in the NPPES registry for Leah Marcks is (855) 832-6727.

Is Leah Marcks's NPI active?

Yes — Leah Marcks's NPI (1336579333) is active in the NPPES registry as of the last update on 2019-05-17.

IndividualActive

Leah Marcks, BCABA, LABA

NPI 1336579333 · Assistant Behavior Analyst · Austin, TX

Leah Marcks, BCABA, LABA is a Assistant Behavior Analyst provider in Austin, TX (NPI 1336579333).

Provider details

NPI number: 1336579333
Entity type: Individual
Primary specialty: Assistant Behavior AnalystBehavioral Health & Social Service Providers
Credential: BCABA, LABA
Sex: Female
Sole proprietor: Yes
License: 2146 (TX)

Specialties & taxonomies

Assistant Behavior AnalystPrimary106E00000XLicense 2146 (TX)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(81/100 index)

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

Registry tenure38% of score
12 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
2 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

3403b Garden Villa Ln

Austin, TX 78704-6915

Phone: (855) 832-6727

Fax: (772) 675-9100

Street-level locationGet directions

More TX providers

Mailing address

3220 Duval Rd Apt 3708

Austin, TX 78759-3537

Additional practice locations (1)

6880 W Fairfield Dr
Apt 8
Pensacola, FL 32506-3350
Phone: (920) 321-4946

Enumerated: 2013-11-13
Last updated: 2019-05-17

Frequently asked questions

What is Leah Marcks's NPI number?: Leah Marcks's National Provider Identifier (NPI) is 1336579333, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Leah Marcks's specialty?: Leah Marcks is listed in the NPPES registry with a primary specialty of Assistant Behavior Analyst (Behavioral Health & Social Service Providers).
Where is Leah Marcks located?: Leah Marcks's practice location on file with NPPES is 3403b Garden Villa Ln, Austin, TX 78704-6915.
What is Leah Marcks's phone number?: The practice phone number listed in the NPPES registry for Leah Marcks is (855) 832-6727.
Is Leah Marcks's NPI active?: Yes — Leah Marcks's NPI (1336579333) is active in the NPPES registry as of the last update on 2019-05-17.

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