IRINA K. HARAG, M.D., LTD
NPI 1225158322
Specialist in Buffalo Grove, IL

NPI Status: Active since March 30, 2007

Contact Information

150 W HALF DAY RD
SUITE 101
BUFFALO GROVE, IL
ZIP 60089
Phone: (847) 821-1070

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  • Organization
  • Specialist
  • CLIA Number: 14D0909180
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 11-27-2027

About IRINA K. HARAG, M.D., LTD

This page provides the complete NPI Profile along with additional information for Irina K. Harag, M.d., Ltd, a provider established in Buffalo Grove, Illinois operating as a Specialist. The healthcare provider is registered in the NPI registry with number 1225158322 assigned on March 2007. The practitioner's primary taxonomy code is 174400000X. The provider is registered as an organization and their NPI record was last updated 6 years ago. 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 Mr. Igor Harag (Manager)

NPI
1225158322
Provider Name
IRINA K. HARAG, M.D., LTD
Entity Type
Organization
Location Address
150 W HALF DAY RD SUITE 101 BUFFALO GROVE, IL 60089
Location Phone
(847) 821-1070
Mailing Address
150 W HALF DAY RD SUITE 101 BUFFALO GROVE, IL 60089
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-30-2007
Last Update Date
08-22-2020
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License State
IL
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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

MR. IGOR HARAG

Authorized Official Title
MANAGER
Authorized Official Phone
(847) 821-1070

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
14D0909180
Facility Type
Physician Office
Certificate Effective Date
November 28, 2025
Certificate Expiration Date
November 27, 2027
Laboratory Director
IRINA K. HARAG MD LTD
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Irina K. Harag, M.d., Ltd to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1225158322, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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
2
Unchanged
Pos 3
2
Doubled → 4
Pos 4
5
Unchanged
Pos 5
1
Doubled → 2
Pos 6
5
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
2
Doubled → 4
Check
2
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 2 → 4 1 → 2 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 2 + 5 + 1 + 6 + 3 + 4 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1225158322.

Other Providers at the Same Location


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

General Practice
150 W HALF DAY RD
BUFFALO GROVE, IL 60089
Internal Medicine
150 W HALF DAY RD, SUITE 103
BUFFALO GROVE, IL 60089
Emergency Medicine
150 W HALF DAY RD
BUFFALO GROVE, IL 60089
Emergency Medicine
150 W HALF DAY RD
BUFFALO GROVE, IL 60089
Specialist
150 W HALF DAY RD
BUFFALO GROVE, IL 60089
Emergency Medicine
150 W HALF DAY RD
BUFFALO GROVE, IL 60089
Emergency Medicine
150 W HALF DAY RD
BUFFALO GROVE, IL 60089
Family Medicine
150 W HALF DAY RD
BUFFALO GROVE, IL 60089
Dentist
150 W HALF DAY RD, STE 102
BUFFALO GROVE, IL 60089
Physical Therapist
150 W HALF DAY RD, SUITE 207
BUFFALO GROVE, IL 60089
Chiropractor
150 W HALF DAY RD, SUITE 105
BUFFALO GROVE, IL 60089
Audiologist-Hearing Aid Fitter
150 W HALF DAY RD, SUITE 105
BUFFALO GROVE, IL 60089
Audiologist-Hearing Aid Fitter
150 W HALF DAY RD, SUITE 105
BUFFALO GROVE, IL 60089
Chiropractor
150 W HALF DAY RD, SUITE 105
BUFFALO GROVE, IL 60089
Optometrist
150 W HALF DAY RD, SUITE 105
BUFFALO GROVE, IL 60089
Physiological Laboratory
150 W HALF DAY RD, SUITE 105
BUFFALO GROVE, IL 60089
Dietitian, Registered
150 W HALF DAY RD, SUITE 105
BUFFALO GROVE, IL 60089
Dental Hygienist
150 W HALF DAY RD, SUITE 203
BUFFALO GROVE, IL 60089
Physical Medicine & Rehabilitation
150 W HALF DAY RD, SUIT 101
BUFFALO GROVE, IL 60089
Family Medicine
150 W HALF DAY RD, SUITE 101
BUFFALO GROVE, IL 60089

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225158322, enumerated as an "organization" on March 30, 2007.

The provider is located at 150 W HALF DAY RD SUITE 101 BUFFALO GROVE, IL 60089 and the phone number is (847) 821-1070.

Specialist with taxonomy code 174400000X.