CLIA lab
CLIA 23D1046091: Jeffrey R Williamson DO PC
Rockford, MI. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 23D1046091 belongs to Jeffrey R Williamson DO PC in Rockford, MI.
Certificate of Waiver, effective January 28, 2025, expires January 27, 2027.
Active in the CMS Provider of Services file posted October 16, 2026.
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
Run it in Rivvi
Map your lab's test names to LOINC codes
Open in RivviFree to start. Opens Rivvi, the AI workspace for healthcare teams.
Certificate
- Certificate type
- Certificate of Waiver
- Certificate effective
- January 28, 2025
- Certificate expiration
- January 27, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- September 30, 2005
- Facility type
- Physician office
- Ownership (control type)
- Proprietary
- Lab classification
- CLIA laboratory
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
Lab and contact
- CLIA number
- 23D1046091
- Lab name
- Jeffrey R Williamson DO PC
- Address
- 6785 Myers Lake Ave NE, Rockford, MI 49341
- Phone
- (616) 884-5191
- Fax
- (616) 884-5192
Annual test volume the lab reported
- Waived tests
- 500
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Other labs in Rockford, MI
- Bishop Hills Assisted LivingCertificate of Waiver, Assisted living facility23D2065762
- Boulder Creek Assisted LivingCertificate of Waiver, Assisted living facility23D2078721
- Brookville Pediatric & Internal MedicineCertificate of Waiver, Physician office23D2039343
- Cannon Township Fire DepartmentCertificate of Waiver, Mobile lab23D2005645
- Corewell Health Family, Internal and PediatricCertificate for Provider-Performed Microscopy Procedures, Physician office23D1003166
- Corewell Health Urgent Care - RockfordCertificate for Provider-Performed Microscopy Procedures, Physician office23D2133349
- Courtland Township Fire DepartmentCertificate of Waiver, Other23D2344629
- Family Fare Pharmacy #1572Certificate of Waiver, Pharmacy23D2084452
- Grand Rapids OphthalmologyCertificate of Waiver, Physician office23D2318476
- Meijer Pharmacy #226Certificate of Waiver, Pharmacy23D1027549
Related
Questions
What is the CLIA number for Jeffrey R Williamson DO PC in Rockford?
23D1046091, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Jeffrey R Williamson DO PC hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 23D1046091 expire?
The CMS file lists January 27, 2027 as the certificate expiration date; the certificate took effect January 28, 2025.