IndividualActive
Megan O'Brien, LCSW
NPI 1821617911 · Clinical Social Worker · Grayslake, IL
Megan O'Brien, LCSW is a Clinical Social Worker provider in Grayslake, IL (NPI 1821617911).
Provider details
- NPI number
- 1821617911
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 149.021820 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(64/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
18640 West Route 120
Grayslake, IL 60030-6003
Phone: (847) 548-6000
Street-level locationGet directions
Mailing address
226 Long Hill Rd
Gurnee, IL 60031-5000
Registry dates
- Enumerated
- 2020-04-09
- Last updated
- 2020-04-09
- Certified
- 2020-04-09
Frequently asked questions
- What is Megan O'Brien's NPI number?
- Megan O'Brien's National Provider Identifier (NPI) is 1821617911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Megan O'Brien's specialty?
- Megan O'Brien is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Megan O'Brien located?
- Megan O'Brien's practice location on file with NPPES is 18640 West Route 120, Grayslake, IL 60030-6003.
- What is Megan O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Megan O'Brien is (847) 548-6000.
- Is Megan O'Brien's NPI active?
- Yes — Megan O'Brien's NPI (1821617911) is active in the NPPES registry as of the last update on 2020-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.