Grand Oaks Behavioral Health LLC
NPI 1124242359 · Clinical Psychologist · Libertyville, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grand Oaks Behavioral Health LLC is a Clinical Psychologist organization in Libertyville, IL (NPI 1124242359).
Provider details
- NPI number
- 1124242359
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Marina Shakhman, Clinical Director(847) 549-1189
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
19 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
Registry dates
- Enumerated
- 2007-04-11
- Last updated
- 2021-10-06
- Certified
- 2021-10-06
Frequently asked questions
- What is Grand Oaks Behavioral Health LLC's NPI number?
- Grand Oaks Behavioral Health LLC's National Provider Identifier (NPI) is 1124242359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grand Oaks Behavioral Health LLC?
- Grand Oaks Behavioral Health LLC is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Grand Oaks Behavioral Health LLC located?
- Grand Oaks Behavioral Health LLC's practice location on file with NPPES is 1800 Hollister Dr, Libertyville, IL 60048-5263.
- What is Grand Oaks Behavioral Health LLC's phone number?
- The practice phone number listed in the NPPES registry for Grand Oaks Behavioral Health LLC is (847) 549-1189.
- Does Grand Oaks Behavioral Health LLC accept Medicare?
- Grand Oaks Behavioral Health LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Grand Oaks Behavioral Health LLC?
- The authorized official listed on Grand Oaks Behavioral Health LLC's NPPES record is Marina Shakhman, Clinical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grand Oaks Behavioral Health LLC's NPI active?
- Yes — Grand Oaks Behavioral Health LLC's NPI (1124242359) is active in the NPPES registry as of the last update on 2021-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.