MULTACK EYE CARE, S.C
NPI 1851655989
Ophthalmology in Olympia Fields, IL

NPI Status: Active since July 04, 2012

Contact Information

20303 CRAWFORD AVE
SUITE LL1
OLYMPIA FIELDS, IL
ZIP 60461
Phone: (708) 955-9278
Fax: (708) 898-1860

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  • Organization
  • Ophthalmology
  • CLIA Number: 14D2074677
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 03-12-2028

About MULTACK EYE CARE, S.C

This page provides the complete NPI Profile along with additional information for Multack Eye Care, S.c, a provider established in Olympia Fields, Illinois operating as a Ophthalmology. The healthcare provider is registered in the NPI registry with number 1851655989 assigned on July 2012. The practitioner's primary taxonomy code is 207W00000X. The provider is registered as an organization and their NPI record was last updated 14 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 Dr. Sam Multack D.o (President)

NPI
1851655989
Provider Name
MULTACK EYE CARE, S.C
Entity Type
Organization
Location Address
20303 CRAWFORD AVE SUITE LL1 OLYMPIA FIELDS, IL 60461
Location Phone
(708) 955-9278
Location Fax
(708) 898-1860
Mailing Address
20303 CRAWFORD AVE SUITE LL1 OLYMPIA FIELDS, IL 60461
Mailing Phone
(708) 955-9278
Mailing Fax
(708) 898-1860
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-04-2012
Last Update Date
07-04-2012
Code Navigator

Ophthalmologists like Multack Eye Care, S.c specialize in diagnosing and treating eye conditions. They may perform surgeries to correct vision issues or prevent vision loss due to diseases like glaucoma. Additionally, they can provide eyeglasses, prescribe contact lenses, and offer other vision-related services.

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

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

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. SAM MULTACK D.O

Authorized Official Title
PRESIDENT
Authorized Official Phone
(708) 955-9278

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
14D2074677
Facility Type
Physician Office
Certificate Effective Date
March 13, 2026
Certificate Expiration Date
March 12, 2028
Laboratory Director
SAMUEL J. MULTACK
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Multack Eye Care, S.c 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 1851655989, 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
8
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
5
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
9
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 6 → 12 → 3 5 → 10 → 1 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 1 + 2 + 5 + 1 + 0 + 9 + 1 + 6 + 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 1851655989.

Other Providers at the Same Location


The following 14 providers are registered at the same or a nearby location.

Internal Medicine
20303 CRAWFORD AVE, SUITE 202
OLYMPIA FIELDS, IL 60461
Internal Medicine
20303 CRAWFORD AVE, SUITE #220
OLYMPIA FIELDS, IL 60461
Community/Behavioral Health
20303 CRAWFORD AVE, SUITE 100
OLYMPIA FIELDS, IL 60461
Counselor (Addiction (Substance Use Disorder))
20303 CRAWFORD AVE, SUITE 100
OLYMPIA FIELDS, IL 60461
Ophthalmology
20303 CRAWFORD AVE, SUITE LL 1
OLYMPIA FIELDS, IL 60461
Naprapath
20303 CRAWFORD AVE, SUITE 210
OLYMPIA FIELDS, IL 60461
Nutritionist
20303 CRAWFORD AVE, SUITE 220
OLYMPIA FIELDS, IL 60461
Internal Medicine (Clinical Cardiac Electrophysiology)
20303 CRAWFORD AVE, SUITE LL3
OLYMPIA FIELDS, IL 60461
Physician Assistant (Medical)
20303 CRAWFORD AVE, SUITE 110
OLYMPIA FIELDS, IL 60461
Ophthalmology
20303 CRAWFORD AVE, LL1
OLYMPIA FIELDS, IL 60461
Optometrist
20303 CRAWFORD AVE
OLYMPIA FIELDS, IL 60461
Clinic/Center (Primary Care)
20303 CRAWFORD AVE
OLYMPIA FIELDS, IL 60461
Ophthalmology
20303 CRAWFORD AVE
OLYMPIA FIELDS, IL 60461
Nurse Practitioner (Family)
20303 CRAWFORD AVE
OLYMPIA FIELDS, IL 60461

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851655989, enumerated as an "organization" on July 04, 2012.

The provider is located at 20303 CRAWFORD AVE SUITE LL1 OLYMPIA FIELDS, IL 60461 and the phone number is (708) 955-9278.

Ophthalmology with taxonomy code 207W00000X.