CLIA lab
CLIA 39D2111699: Mary - Anne Ost MD LTD
West Grove, PA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 39D2111699 belongs to Mary - Anne Ost MD LTD in West Grove, PA.
Certificate of Waiver, effective April 13, 2026, expires April 12, 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 of Waiver
- Certificate effective
- April 13, 2026
- Certificate expiration
- April 12, 2028
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- April 13, 2016
- Facility type
- Physician office
- Ownership (control type)
- Proprietary
- Lab classification
- CLIA laboratory
- Directly affiliated labs
- 3
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
Lab and contact
- CLIA number
- 39D2111699
- Lab name
- Mary - Anne Ost MD LTD
- Address
- 1 Commerce Blvd Suite 203, West Grove, PA 19390
- Phone
- (610) 869-0311
- Fax
- (610) 869-4149
Annual test volume the lab reported
- Waived tests
- 250
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Affiliated CLIA numbers
Other labs in West Grove, PA
- CCP West GroveCertificate of Waiver, Physician office39D2213709
- Cchs, West Grove CampusCertificate of Accreditation, Hospital39D2323443
- Chester County Eye Care AssocCertificate of Waiver, Physician office39D2131738
- Chop Primary Care -- WestgroveCertificate of Waiver, Physician office39D0926564
- Christianacare Primary Care at JennersvilleCertificate for Provider-Performed Microscopy Procedures, Physician office39D1103821
- Christianacare Primary Care at West GroveCertificate for Provider-Performed Microscopy Procedures, Physician office39D0990059
- Community Volunteers in MedicineCertificate of Waiver, Community clinic39D2266337
- Jenner's Pond IncCertificate of Waiver, Physician office39D1023689
- Jennersville Dialysis CenterCertificate of Waiver, End stage renal disease dialysis facility39D1071708
- PM CCH Radiology Southern Chester CountyCertificate of Waiver, Ancillary test site39D2135769
Related
Questions
What is the CLIA number for Mary - Anne Ost MD LTD in West Grove?
39D2111699, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Mary - Anne Ost MD LTD hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 39D2111699 expire?
The CMS file lists April 12, 2028 as the certificate expiration date; the certificate took effect April 13, 2026.