What is Claire O'Brien's NPI number?

Claire O'Brien's National Provider Identifier (NPI) is 1720816374, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Claire O'Brien's specialty?

Claire O'Brien is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is Claire O'Brien located?

Claire O'Brien's practice location on file with NPPES is 777 Central Ave, Highland Park, IL 60035-3240.

What is Claire O'Brien's phone number?

The practice phone number listed in the NPPES registry for Claire O'Brien is (847) 441-5600.

Is Claire O'Brien's NPI active?

Yes — Claire O'Brien's NPI (1720816374) is active in the NPPES registry as of the last update on 2024-07-24.

IndividualActive

Claire O'Brien

NPI 1720816374 · Mental Health Counselor · Highland Park, IL

Claire O'Brien is a Mental Health Counselor provider in Highland Park, IL (NPI 1720816374).

Provider details

NPI number: 1720816374
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Established profile(50/100 index)

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

Registry tenure38% of score
1 yr in NPPES 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

777 Central Ave

Highland Park, IL 60035-3240

Phone: (847) 441-5600

Street-level locationGet directions

More IL providers

Mailing address

3428 W Lyndale St Apt 2

Chicago, IL 60647-6310

Enumerated: 2024-07-24
Last updated: 2024-07-24
Certified: 2024-07-24

Frequently asked questions

What is Claire O'Brien's NPI number?: Claire O'Brien's National Provider Identifier (NPI) is 1720816374, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Claire O'Brien's specialty?: Claire O'Brien is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
Where is Claire O'Brien located?: Claire O'Brien's practice location on file with NPPES is 777 Central Ave, Highland Park, IL 60035-3240.
What is Claire O'Brien's phone number?: The practice phone number listed in the NPPES registry for Claire O'Brien is (847) 441-5600.
Is Claire O'Brien's NPI active?: Yes — Claire O'Brien's NPI (1720816374) is active in the NPPES registry as of the last update on 2024-07-24.

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