CLIA lab

CLIA 49D0223104: Richard C Falkenstein MD

Middleburg, VA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.

CLIA number 49D0223104 belongs to Richard C Falkenstein MD in Middleburg, VA.

Certificate for Provider-Performed Microscopy Procedures, effective September 1, 2026, expires August 31, 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
September 1, 2026
Certificate expiration
August 31, 2028
Status in the CMS file
Active (termination code 00)
Original participation date
December 30, 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
49D0223104
Lab name
Richard C Falkenstein MD
Address
14 S Madison St Box 470, Middleburg, VA 22117
Phone
(703) 687-5055

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.

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Questions

What is the CLIA number for Richard C Falkenstein MD in Middleburg?

49D0223104, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Richard C Falkenstein MD hold?

A Certificate for Provider-Performed Microscopy Procedures, according to the CMS file.

When does CLIA 49D0223104 expire?

The CMS file lists August 31, 2028 as the certificate expiration date; the certificate took effect September 1, 2026.

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