CLIA lab
CLIA 21D0860816: DR Carol E Ritter
Towson, MD. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 21D0860816 belongs to DR Carol E Ritter in Towson, MD.
Certificate of Waiver, effective January 20, 2025, expires January 19, 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
- January 20, 2025
- Certificate expiration
- January 19, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- September 1, 1992
- 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
- 21D0860816
- Lab name
- DR Carol E Ritter
- Address
- 1122 Kenilworth Dr #401, Towson, MD 21204
- Phone
- (410) 296-2557
- Fax
- (410) 296-3105
Annual test volume the lab reported
- Waived tests
- 700
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
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Related
Questions
What is the CLIA number for DR Carol E Ritter in Towson?
21D0860816, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does DR Carol E Ritter hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 21D0860816 expire?
The CMS file lists January 19, 2027 as the certificate expiration date; the certificate took effect January 20, 2025.