ISIMI HEALTH AND WELLNESS PLLC
NPI 1619825403
Nurse Practitioner - Psychiatric/Mental Health in Chicago, IL

NPI Status: Active since March 18, 2026

Contact Information

111 N WABASH AVE STE 100
CHICAGO, IL
ZIP 60602
Phone: (773) 317-6507
Fax: (279) 300-4163

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  • Organization
  • Nurse Practitioner
  • Psychiatric/Mental Health

About ISIMI HEALTH AND WELLNESS PLLC

This page provides the complete NPI Profile along with additional information for Isimi Health And Wellness Pllc, a provider established in Chicago, Illinois operating as a Nurse Practitioner, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1619825403 assigned on March 2026. The practitioner's primary taxonomy code is 363LP0808X. The provider is registered as an organization and their NPI record was last updated March 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Zainab Taiwo Dnp, Aprn, Pmhnp-bc (Psychiatric Nurse Practitioner)

NPI
1619825403
Provider Name
ISIMI HEALTH AND WELLNESS PLLC
Entity Type
Organization
Location Address
111 N WABASH AVE STE 100 CHICAGO, IL 60602
Location Phone
(773) 317-6507
Location Fax
(279) 300-4163
Mailing Address
111 N WABASH AVE STE 100 CHICAGO, IL 60602
Mailing Phone
(773) 317-6507
Mailing Fax
(279) 300-4163
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-18-2026
Last Update Date
03-18-2026
Code Navigator

A nurse practitioner (NP) like Isimi Health And Wellness Pllc is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

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

Nurse Practitioner Psychiatric/Mental Health

Taxonomy Code
363LP0808X
Type
Physician Assistants & Advanced Practice Nursing Providers

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. ZAINAB TAIWO DNP, APRN, PMHNP-BC

Authorized Official Title
PSYCHIATRIC NURSE PRACTITIONER
Authorized Official Phone
(773) 317-6507

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1619825403, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
1
Doubled → 2
Pos 4
9
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
2
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
0
Doubled → 0
Check
3
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 1 → 2 8 → 16 → 7 5 → 10 → 1 0 → 0

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 2 + 9 + 1 + 6 + 2 + 1 + 0 + 4 + 0 + 24 = 57

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1619825403.

Other Providers at the Same Location


The following 15 providers are registered at the same or a nearby location.

Clinic/Center (Mental Health (Including Community Mental Health Center))
111 N WABASH AVE STE 100, THE GARLAND BLDG. #3379
CHICAGO, IL 60602
Clinic/Center (Mental Health (Including Community Mental Health Center))
111 N WABASH AVE STE 100
CHICAGO, IL 60602
Social Worker (Clinical)
111 N WABASH AVE STE 100
CHICAGO, IL 60602
Social Worker (Clinical)
111 N WABASH AVE STE 100
CHICAGO, IL 60602
Nurse's Aide
111 N WABASH AVE STE 100
CHICAGO, IL 60602
Counselor (Professional)
111 N WABASH AVE STE 100
CHICAGO, IL 60602
Home Health
111 N WABASH AVE STE 100
CHICAGO, IL 60602
In Home Supportive Care
111 N WABASH AVE STE 100
CHICAGO, IL 60602
Dietitian, Registered
111 N WABASH AVE STE 100
CHICAGO, IL 60602
Dietitian, Registered
111 N WABASH AVE STE 100
CHICAGO, IL 60602
Social Worker (Clinical)
111 N WABASH AVE STE 100, THE GARLAND BUILDING #3393
CHICAGO, IL 60602
Counselor (Mental Health)
111 N WABASH AVE STE 100
CHICAGO, IL 60602
Counselor (Professional)
111 N WABASH AVE STE 100
CHICAGO, IL 60602
Social Worker (Clinical)
111 N WABASH AVE STE 100
CHICAGO, IL 60602
Nurse Practitioner (Psychiatric/Mental Health)
111 N WABASH AVE STE 100
CHICAGO, IL 60602

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619825403, enumerated as an "organization" on March 18, 2026.

The provider is located at 111 N WABASH AVE STE 100 CHICAGO, IL 60602 and the phone number is (773) 317-6507.

Nurse Practitioner with taxonomy code 363LP0808X and a focus in Psychiatric/Mental Health.