Robin G. Sontheimer, PLLC
NPI 1861989659 · Clinical Social Worker · Austin, TX
Robin G. Sontheimer, PLLC is a Clinical Social Worker organization in Austin, TX (NPI 1861989659).
Provider details
- NPI number
- 1861989659
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Robin Sontheimer, Lcsw/Practice Owner(585) 484-1954
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% 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
Mailing address
Other names (DBA / former)
- Former legal business name
- Robin Gardner Psychotherapy, PLLC
Registry dates
- Enumerated
- 2018-04-17
- Last updated
- 2023-10-26
- Certified
- 2023-10-26
Frequently asked questions
- What is Robin G. Sontheimer, PLLC's NPI number?
- Robin G. Sontheimer, PLLC's National Provider Identifier (NPI) is 1861989659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Robin G. Sontheimer, PLLC?
- Robin G. Sontheimer, PLLC is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Robin G. Sontheimer, PLLC located?
- Robin G. Sontheimer, PLLC's practice location on file with NPPES is 5900 Balcones Drive, Austin, TX 78731-4298.
- What is Robin G. Sontheimer, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Robin G. Sontheimer, PLLC is (585) 484-1954.
- Who is the authorized official for Robin G. Sontheimer, PLLC?
- The authorized official listed on Robin G. Sontheimer, PLLC's NPPES record is Robin Sontheimer, Lcsw/Practice Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Robin G. Sontheimer, PLLC's NPI active?
- Yes — Robin G. Sontheimer, PLLC's NPI (1861989659) is active in the NPPES registry as of the last update on 2023-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.