CLIA lab
CLIA 21D0862693: Midatlantic Nephrology Associates P A
Columbia, MD. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 21D0862693 belongs to Midatlantic Nephrology Associates P A in Columbia, MD.
Certificate for Provider-Performed Microscopy Procedures, effective January 9, 2026, expires January 8, 2028.
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 for Provider-Performed Microscopy Procedures
- Certificate effective
- January 9, 2026
- Certificate expiration
- January 8, 2028
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- February 25, 1993
- 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
- 21D0862693
- Lab name
- Midatlantic Nephrology Associates P A
- Address
- 5999 Harpers Farm Road Suite W 250, Columbia, MD 21044
- Phone
- (410) 772-8822
- Fax
- (410) 772-9274
Annual test volume the lab reported
- Waived tests
- 1,500
- Provider-performed microscopy tests
- 50
- Total
- 1,550
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 Midatlantic Nephrology Associates P A in Columbia?
21D0862693, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Midatlantic Nephrology Associates P A hold?
A Certificate for Provider-Performed Microscopy Procedures, according to the CMS file.
When does CLIA 21D0862693 expire?
The CMS file lists January 8, 2028 as the certificate expiration date; the certificate took effect January 9, 2026.