APRIL NISAN ILKMEN PLLC
NPI 1104629914
Clinic/Center - Adult Mental Health in Chicago, IL
NPI Status: Active since March 28, 2025
Contact Information
939 W NORTH AVE STE 750
CHICAGO, IL
ZIP 60642
Phone: (312) 478-6905
- Organization
- Clinic/Center
- Adult Mental Health
About APRIL NISAN ILKMEN PLLC
This page provides the complete NPI Profile along with additional information for April Nisan Ilkmen Pllc, a provider established in Chicago, Illinois operating as a Clinic/center, focusing in adult mental health . The healthcare provider is registered in the NPI registry with number 1104629914 assigned on March 2025. The practitioner's primary taxonomy code is 261QM0850X. The provider is registered as an organization and their NPI record was last updated March 2025. The authorized official of this NPI record is Dr. Elif Nisan Ilkmen Tayyabi Lmft (Owner)
- NPI
- 1104629914
- Provider Name
- APRIL NISAN ILKMEN PLLC
- Entity Type
- Organization
- Location Address
- 939 W NORTH AVE STE 750 CHICAGO, IL 60642
- Location Phone
- (312) 478-6905
- Mailing Address
- 17696 W DAWN CT GURNEE, IL 60031
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 03-28-2025
- Last Update Date
- 03-28-2025
- Code Navigator
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Clinic/Center Adult Mental Health
- Taxonomy Code
- 261QM0850X
- Type
- Ambulatory Health Care Facilities
- Taxonomy Description
- An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to mental and behavioral disorders in adults.
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NPI Validation Check Digit Calculation
The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.
| Start with the original NPI number, the last digit is the check digit and is not used in the calculation. | |||||||||
| 1 | 1 | 0 | 4 | 6 | 2 | 9 | 9 | 1 | 4 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 1 | 0 | 4 | 12 | 2 | 18 | 9 | 2 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 1 + 0 + 4 + 1 + 2 + 2 + 1 + 8 + 9 + 2 + 24 = 56 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 60 - 56 = 4 | 4 | ||||||||
The NPI number 1104629914 is valid because the calculated check digit 4 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following 19 providers are registered at the same or nearby location.
| NPI | Name / Type | Taxonomy | Address |
|---|---|---|---|
| 1023500436 | CRYSTAL JOHNSON, PSY.D, LLC Organization | Psychologist (Clinical) | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (773) 844-2732 |
| 1841897337 | HAYDYN ANIGIAN Individual | Counselor (Professional) | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (312) 809-8702 |
| 1114517075 | BURTAINE COUNSELING, LTD Organization | Counselor (Mental Health) | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (773) 299-8540 |
| 1831771435 | ALEXANDRA BOSMA LCPC, PLLC Organization | Counselor (Mental Health) | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (847) 461-9707 |
| 1013331040 | ALEXANDRA BOSMA Individual | Counselor (Mental Health) | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (847) 461-9707 |
| 1851829394 | LENA ELKHATIB MA Individual | Marriage & Family Therapist | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (312) 600-0409 |
| 1215617154 | FAREABA MORADIAHANI Individual | Marriage & Family Therapist | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (630) 229-9885 |
| 1306253109 | MS. KELSEY BALDWIN AMFT Individual | Marriage & Family Therapist | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (312) 600-0409 |
| 1477330785 | LAYLA TAHMASSEBI Individual | Counselor (Mental Health) | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (312) 600-0409 |
| 1558997635 | AVID INTIMACY, LLC Organization | Marriage & Family Therapist | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (312) 600-0409 |
| 1366011868 | RACHEL MARIE SCHWARTZ Individual | Marriage & Family Therapist | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (847) 544-0387 |
| 1023644721 | FLOURISH COUNSELING CENTERS PLLC Organization | Marriage & Family Therapist | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (773) 750-7890 |
| 1285207233 | MORGAN FILMER LMFT Individual | Marriage & Family Therapist | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (312) 600-0409 |
| 1265022735 | SOPHIA KIHM Individual | Social Worker (Clinical) | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (773) 377-5577 |
| 1679320774 | CHARLES KIMBALL Individual | Marriage & Family Therapist | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (312) 600-0409 |
| 1821621962 | JENNIFER DIAMOND PHD, PLLC Organization | Psychologist (Clinical) | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (262) 885-1977 |
| 1093726358 | DR. ALICE MADELINE BERNSTEIN PH.D. Individual | Psychologist (Clinical) | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (312) 357-0022 |
| 1518799873 | JENNIFER MENDE Individual | Counselor (Mental Health) | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (312) 600-0409 |
| 1346896925 | SUSANNA RUDY LPC Individual | Counselor (Professional) | 939 W NORTH AVE STE 750 CHICAGO, IL 60642 (414) 312-1033 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1104629914, enumerated in the NPI registry as an "organization" on March 28, 2025
The provider is located at 939 W North Ave Ste 750 Chicago, Il 60642 and the phone number is (312) 478-6905
This medical organization specializes in Clinic/Center with taxonomy code 261QM0850X with a focus in Adult Mental Health
This NPI record was last updated on March 28, 2025. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
NPI Profile data is regularly updated with the latest NPI registry information, if you would like to update or remove your NPI Profile in this website please contact us.