April Nisan Ilkmen PLLC
NPI 1104629914 · Adult Mental Health Clinic/Center · Chicago, IL
April Nisan Ilkmen PLLC is a Adult Mental Health Clinic/Center organization in Chicago, IL (NPI 1104629914).
Provider details
- NPI number
- 1104629914
- Entity type
- Organization
- Primary specialty
- Adult Mental Health Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Elif Nisan Ilkmen Tayyabi, Owner(312) 478-6905
Specialties & taxonomies
Ambulatory Health Care Facilities
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
- 2025-03-28
- Last updated
- 2025-03-28
- Certified
- 2025-03-28
Frequently asked questions
- What is April Nisan Ilkmen PLLC's NPI number?
- April Nisan Ilkmen PLLC's National Provider Identifier (NPI) is 1104629914, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is April Nisan Ilkmen PLLC?
- April Nisan Ilkmen PLLC is classified in the NPPES registry as Adult Mental Health Clinic/Center (Ambulatory Health Care Facilities).
- Where is April Nisan Ilkmen PLLC located?
- April Nisan Ilkmen PLLC's practice location on file with NPPES is 939 W North Ave Ste 750, Chicago, IL 60642-7142.
- What is April Nisan Ilkmen PLLC's phone number?
- The practice phone number listed in the NPPES registry for April Nisan Ilkmen PLLC is (312) 478-6905.
- Who is the authorized official for April Nisan Ilkmen PLLC?
- The authorized official listed on April Nisan Ilkmen PLLC's NPPES record is Elif Nisan Ilkmen Tayyabi, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is April Nisan Ilkmen PLLC's NPI active?
- Yes — April Nisan Ilkmen PLLC's NPI (1104629914) is active in the NPPES registry as of the last update on 2025-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.