RSR MEDICAL
NPI 1861957144
Clinic/Center - Radiology in Chicago, IL

NPI Status: Active since January 31, 2019

Contact Information

1509 N WESTERN AVE UNIT 404
CHICAGO, IL
ZIP 60622
Phone: (708) 691-3953

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  • Organization
  • Clinic/Center
  • Radiology

About RSR MEDICAL

This page provides the complete NPI Profile along with additional information for Rsr Medical, a provider established in Chicago, Illinois operating as a Clinic/center, focusing in radiology . The healthcare provider is registered in the NPI registry with number 1861957144 assigned on January 2019. The practitioner's primary taxonomy code is 261QR0200X. The provider is registered as an organization and their NPI record was last updated 7 years ago. The authorized official of this NPI record is Richard Rezko Md (Partner)

NPI
1861957144
Provider Name
RSR MEDICAL
Entity Type
Organization
Location Address
1509 N WESTERN AVE UNIT 404 CHICAGO, IL 60622
Location Phone
(708) 691-3953
Mailing Address
1509 N WESTERN AVE UNIT 404 CHICAGO, IL 60622
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-31-2019
Last Update Date
01-31-2019
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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 Radiology

Taxonomy Code
261QR0200X
Type
Ambulatory Health Care Facilities

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

RICHARD REZKO MD

Authorized Official Title
PARTNER
Authorized Official Phone
(708) 691-3953

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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 1861957144, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
8
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
5
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
1
Unchanged
Pos 9
4
Doubled → 8
Check
4
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 9 → 18 → 9 7 → 14 → 5 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 1 + 8 + 5 + 1 + 4 + 1 + 8 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1861957144.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861957144, enumerated as an "organization" on January 31, 2019.

The provider is located at 1509 N WESTERN AVE UNIT 404 CHICAGO, IL 60622 and the phone number is (708) 691-3953.

Clinic/Center with taxonomy code 261QR0200X and a focus in Radiology.