Ellen Lonnquist PLLC
NPI 1790574424 · Marriage & Family Therapist · Evanston, IL
Ellen Lonnquist PLLC is a Marriage & Family Therapist organization in Evanston, IL (NPI 1790574424).
Provider details
- NPI number
- 1790574424
- Entity type
- Organization
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Ellen Lonnquist, Therapist(847) 814-1734
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
1 yr 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
- 2025-04-30
- Last updated
- 2025-04-30
- Certified
- 2025-04-30
Frequently asked questions
- What is Ellen Lonnquist PLLC's NPI number?
- Ellen Lonnquist PLLC's National Provider Identifier (NPI) is 1790574424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ellen Lonnquist PLLC?
- Ellen Lonnquist PLLC is classified in the NPPES registry as Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Ellen Lonnquist PLLC located?
- Ellen Lonnquist PLLC's practice location on file with NPPES is 1740 Ridge Ave Ste 201, Evanston, IL 60201-5909.
- What is Ellen Lonnquist PLLC's phone number?
- The practice phone number listed in the NPPES registry for Ellen Lonnquist PLLC is (847) 814-1734.
- Who is the authorized official for Ellen Lonnquist PLLC?
- The authorized official listed on Ellen Lonnquist PLLC's NPPES record is Ellen Lonnquist, Therapist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ellen Lonnquist PLLC's NPI active?
- Yes — Ellen Lonnquist PLLC's NPI (1790574424) is active in the NPPES registry as of the last update on 2025-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.