ATIC ONE S.C.
NPI 1366699910
Clinic/Center - Sleep Disorder Diagnostic in Libertyville, IL

NPI Status: Active since August 26, 2008

Contact Information

287 PETERSON RD STE B
LIBERTYVILLE, IL
ZIP 60048
Phone: (847) 786-0847
Fax: (567) 212-3248

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  • Organization
  • Clinic/Center
  • Sleep Disorder Diagnostic

About ATIC ONE S.C.

This page provides the complete NPI Profile along with additional information for Atic One S.c., a provider established in Libertyville, Illinois operating as a Clinic/center, focusing in sleep disorder diagnostic . The healthcare provider is registered in the NPI registry with number 1366699910 assigned on August 2008. The practitioner's primary taxonomy code is 261QS1200X. The provider is registered as an organization and their NPI record was last updated March 2026. Atic One S.c. operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Muhammad Hafeez Haroon (Ceo)

NPI
1366699910
Provider Name
ATIC ONE S.C.
Entity Type
Organization
Location Address
287 PETERSON RD STE B LIBERTYVILLE, IL 60048
Location Phone
(847) 786-0847
Location Fax
(567) 212-3248
Mailing Address
287 PETERSON RD STE B LIBERTYVILLE, IL 60048
Mailing Phone
(847) 786-0847
Mailing Fax
(567) 212-3248
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-26-2008
Last Update Date
03-24-2026
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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

Clinic/Center Sleep Disorder Diagnostic

Taxonomy Code
261QS1200X
Type
Ambulatory Health Care Facilities

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207RS0012XAllopathic & Osteopathic Physicians

Internal Medicine
Sleep Medicine

 
2332B00000XSuppliers

Durable Medical Equipment & Medical Supplies

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

MUHAMMAD HAFEEZ HAROON

Authorized Official Title
CEO
Authorized Official Phone
(847) 312-2159

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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 1366699910, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
3
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
6
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
9
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
9
Unchanged
Pos 9
1
Doubled → 2
Check
0
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 6 → 12 → 3 6 → 12 → 3 9 → 18 → 9 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 2 + 6 + 1 + 2 + 9 + 1 + 8 + 9 + 2 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1366699910.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1366699910, enumerated as an "organization" on August 26, 2008.

The provider is located at 287 PETERSON RD STE B LIBERTYVILLE, IL 60048 and the phone number is (847) 786-0847.

Clinic/Center with taxonomy code 261QS1200X and a focus in Sleep Disorder Diagnostic.