ISAIAH KARIM JOSHUA SELKRIDGE
NPI 1659205979
Psychiatry & Neurology - Psychiatry in Chicago, IL

NPI Status: Active since June 11, 2026

Contact Information

5841 S MARYLAND AVE
M/C 3077
CHICAGO, IL
ZIP 60637
Phone: (773) 702-0529
Fax: (773) 702-4297

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Psychiatry

About ISAIAH SELKRIDGE

This page provides the complete NPI Profile along with additional information for Isaiah Selkridge, a provider established in Chicago, Illinois with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1659205979 assigned on June 2026. The practitioner's primary taxonomy code is 2084P0800X with license number 125087956 (IL). The provider is registered as an individual and his NPI record was last updated June 2026.

NPI
1659205979
Provider Name
ISAIAH KARIM JOSHUA SELKRIDGE
Gender
Male
Entity Type
Individual
Location Address
5841 S MARYLAND AVE M/C 3077 CHICAGO, IL 60637
Location Phone
(773) 702-0529
Location Fax
(773) 702-4297
Mailing Address
180 HARVESTER DR STE 110 BURR RIDGE, IL 60527
Mailing Phone
(773) 702-1150
Is Sole Proprietor?
No
Enumeration Date
06-11-2026
Last Update Date
06-11-2026
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A psychiatrist like Isaiah Selkridge are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.

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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

Psychiatry & Neurology Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
License No.
125087956
License State
IL
Taxonomy Description
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

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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 1659205979, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
0
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
9
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
9
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 5 → 10 → 1 2 → 4 5 → 10 → 1 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 4 + 0 + 1 + 0 + 9 + 1 + 4 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1659205979.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pharmacist (Pharmacotherapy)
5841 S MARYLAND AVE, MC 5026
CHICAGO, IL 60637
Dietitian, Registered
5841 S MARYLAND AVE
CHICAGO, IL 60637
Emergency Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Pharmacist (Pharmacotherapy)
5841 S MARYLAND AVE, UNIVERSITY OF CHICAGO HOSPITALS
CHICAGO, IL 60637
Genetic Counselor, MS
5841 S MARYLAND AVE, MC 6088
CHICAGO, IL 60637
Genetic Counselor, MS
5841 S MARYLAND AVE, MC 0077
CHICAGO, IL 60637
Surgery
5841 S MARYLAND AVE, MC 5031
CHICAGO, IL 60637
Internal Medicine (Endocrinology, Diabetes & Metabolism)
5841 S MARYLAND AVE, MC1027
CHICAGO, IL 60637
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Obstetrics & Gynecology (Gynecology)
5841 S MARYLAND AVE, MC2050
CHICAGO, IL 60637
Pediatrics (Neonatal-Perinatal Medicine)
5841 S MARYLAND AVE, MC 6060
CHICAGO, IL 60637
Obstetrics & Gynecology (Reproductive Endocrinology)
5841 S MARYLAND AVE, MC2050
CHICAGO, IL 60637
Emergency Medicine
5841 S MARYLAND AVE, MC 5068
CHICAGO, IL 60637
Dietitian, Registered
5841 S MARYLAND AVE, MC 0988
CHICAGO, IL 60637
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Dietitian, Registered
5841 S MARYLAND AVE, MC 3051
CHICAGO, IL 60637
Dietitian, Registered (Nutrition, Pediatric)
5841 S MARYLAND AVE, MC0988
CHICAGO, IL 60637
Psychologist (Clinical)
5841 S MARYLAND AVE, STE MC 3077
CHICAGO, IL 60637
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Dietitian, Registered
5841 S MARYLAND AVE
CHICAGO, IL 60637

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659205979, enumerated as an "individual" on June 11, 2026.

The provider is located at 5841 S MARYLAND AVE M/C 3077 CHICAGO, IL 60637 and the phone number is (773) 702-0529.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.