OFB MEDCO LLC
NPI 1710838784
Clinical Medical Laboratory in Chicago, IL

NPI Status: Active since February 05, 2026

Contact Information

4311 N RAVENSWOOD AVE STE 100
CHICAGO, IL
ZIP 60613
Phone: (480) 764-3757

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  • Organization
  • Clinical Medical Laboratory
  • CLIA Number: 14D2341225
  • CLIA Cert. Type: Independent
  • CLIA Exp. Date: 03-29-2028

About OFB MEDCO LLC

This page provides the complete NPI Profile along with additional information for Ofb Medco Llc, a provider established in Chicago, Illinois operating as a Clinical Medical Laboratory. The healthcare provider is registered in the NPI registry with number 1710838784 assigned on February 2026. The practitioner's primary taxonomy code is 291U00000X. The provider is registered as an organization and their NPI record was last updated February 2026. The authorized official of this NPI record is Mrs. Valerie Donkoh (Owner)

NPI
1710838784
Provider Name
OFB MEDCO LLC
Entity Type
Organization
Location Address
4311 N RAVENSWOOD AVE STE 100 CHICAGO, IL 60613
Location Phone
(480) 764-3757
Mailing Address
4311 N RAVENSWOOD AVE STE 100 CHICAGO, IL 60613
Mailing Phone
(480) 764-3757
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-05-2026
Last Update Date
02-23-2026
Code Navigator

Establishments like Ofb Medco Llc are healthcare facilities that may perform a wide range of laboratory procedures, assisted by doctors and medical technologists. Laboratories can be categorized according to their function as common diagnostic labs or specialty labs that conduct specialized or confirmatory tests. Different clinical laboratories could specialize in clinical chemistry, clinical microbiology, hematology, serology, clinical microscopy, cytopathology, molecular biology, or public health. Please inquire directly with this provider to confirm their test menu.

Clinical labs in the U.S. that perform human testing are regulated by the Centers for Medicare & Medicaid Services (CMS) through the Clinical Laboratory Improvement Amendments (CLIA) program. The purpose of the CLIA program is to guarantee the quality of laboratory testing. This provider has a CLIA number assigned, and undergoes regular inspections to ensure compliance and quality.

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

Clinical Medical Laboratory

Taxonomy Code
291U00000X
Type
Laboratories
Taxonomy Description
(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.

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

MRS. VALERIE DONKOH

Authorized Official Title
OWNER
Authorized Official Phone
(480) 764-3757

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
14D2341225
Facility Type
Independent
Certificate Effective Date
March 30, 2026
Certificate Expiration Date
March 29, 2028
Laboratory Director
VALERIE DONKOH
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Ofb Medco Llc 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 1710838784, 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
7
Unchanged
Pos 3
1
Doubled → 2
Pos 4
0
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
3
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
7
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 1 → 2 8 → 16 → 7 8 → 16 → 7 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 2 + 0 + 1 + 6 + 3 + 1 + 6 + 7 + 1 + 6 + 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 1710838784.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

In Home Supportive Care
4311 N RAVENSWOOD AVE STE 100
CHICAGO, IL 60613

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1710838784, enumerated as an "organization" on February 05, 2026.

The provider is located at 4311 N RAVENSWOOD AVE STE 100 CHICAGO, IL 60613 and the phone number is (480) 764-3757.

Clinical Medical Laboratory with taxonomy code 291U00000X.