WINNEBAGO COUNTY HEALTH DEPARTMENT
NPI 1447459110
Public Health or Welfare in Rockford, IL
NPI Status: Active since July 13, 2007
Contact Information
555 N COURT ST
ROCKFORD, IL
ZIP 61103
Phone: (815) 720-4200
Fax: (815) 720-4001
- Organization
- Public Health or Welfare
- CLIA Number: 14D0430142
- CLIA Cert. Type: Public Health Laboratories
- CLIA Exp. Date: 11-28-2027
About WINNEBAGO COUNTY HEALTH DEPARTMENT
This page provides the complete NPI Profile along with additional information for Winnebago County Health Department, a provider established in Rockford, Illinois operating as a Public Health Or Welfare. The healthcare provider is registered in the NPI registry with number 1447459110 assigned on July 2007. The practitioner's primary taxonomy code is 251K00000X. The provider is registered as an organization and their NPI record was last updated 3 years ago. The authorized official of this NPI record is Dr. Sandra Martell Rn, Dnp (Public Health Administrator)
- NPI
- 1447459110
- Provider Name
- WINNEBAGO COUNTY HEALTH DEPARTMENT
- Entity Type
- Organization
- Location Address
- 555 N COURT ST ROCKFORD, IL 61103
- Location Phone
- (815) 720-4200
- Location Fax
- (815) 720-4001
- Mailing Address
- PO BOX 4009 ROCKFORD, IL 61110
- Mailing Phone
- (815) 720-4000
- Mailing Fax
- (815) 720-4001
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 07-13-2007
- Last Update Date
- 08-18-2023
- Code Navigator
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
Public Health or Welfare
- Taxonomy Code
- 251K00000X
- Type
- Agencies
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
- 14D0430142
- Facility Type
- Public Health Laboratories
- Certificate Effective Date
- November 29, 2025
- Certificate Expiration Date
- November 28, 2027
- Laboratory Director
- THOMAS M. SCHILLER M D
- Certificate Type
- Certificate for Provider-Performed Microscopy Procedures (PPMP)
- Certificate Type Description
- This CLIA certificate is issued to Winnebago County Health Department in which a physician, midlevel practitioner or dentist that performs specific microscopy procedures during the course of a patient's visit. A limited list of provider-performed microscopy procedures is included under this certificate type, which are categorized as moderate complexity testing.
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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 1447459110, 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
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.
Other Providers at the Same Location
The following 4 providers are registered at the same or a nearby location.
ROCKFORD, IL 61103
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1447459110, enumerated as an "organization" on July 13, 2007.
The provider is located at 555 N COURT ST ROCKFORD, IL 61103 and the phone number is (815) 720-4200.
Public Health or Welfare with taxonomy code 251K00000X.
