CLIA lab
CLIA 23D2323357: Medical Office of John Vassallo
Howell, MI. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 23D2323357 belongs to Medical Office of John Vassallo in Howell, MI.
Certificate of Waiver, effective May 6, 2025, expires May 5, 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
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Certificate
- Certificate type
- Certificate of Waiver
- Certificate effective
- May 6, 2025
- Certificate expiration
- May 5, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- May 6, 2025
- 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
- 23D2323357
- Lab name
- Medical Office of John Vassallo
- Address
- 4354 E Grand River, Howell, MI 48843
- Phone
- (517) 540-0709
- Fax
- (517) 540-1775
Annual test volume the lab reported
- Waived tests
- 1,000
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
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- Ascension Medical Center - Howell RadiologyCertificate of Waiver, Hospital23D2281102
- Ascension Michigan Urgent Care at S LatsonCertificate of Waiver, Other23D2127789
- Ascent Urgent CareCertificate of Waiver, Physician office23D1058524
- Brighton Internal MedicineCertificate of Waiver, Physician office23D1031704
- Clinton County Medical CenterCertificate of Waiver, Physician office23D2277764
- Hayner Internal Medicine AssoicatesCertificate of Waiver, Physician office23D2288236
- Heart Cardiology Consultants, PCCertificate of Waiver, Physician office23D2157028
- Henry Ford Byron Family Medicine- HowellCertificate for Provider-Performed Microscopy Procedures, Physician office23D0375695
- Henry Ford Family Medicine - HowellCertificate of Waiver, Physician office23D1019951
Related
Questions
What is the CLIA number for Medical Office of John Vassallo in Howell?
23D2323357, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Medical Office of John Vassallo hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 23D2323357 expire?
The CMS file lists May 5, 2027 as the certificate expiration date; the certificate took effect May 6, 2025.