CLIA lab
CLIA 21D2220436: Garrett Treatment Center
Oakland, MD. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 21D2220436 belongs to Garrett Treatment Center in Oakland, MD.
Certificate of Waiver, effective April 13, 2025, expires April 12, 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
- April 13, 2025
- Certificate expiration
- April 12, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- April 13, 2021
- 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
- 21D2220436
- Lab name
- Garrett Treatment Center
- Address
- 233 East Alder Street #a, Oakland, MD 21550
- Phone
- (301) 533-2888
- Fax
- (240) 442-2016
Annual test volume the lab reported
- Waived tests
- 150
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Other labs in Oakland, MD
- Brookside Health & Wellness LLCCertificate of Waiver, Other practitioner21D2143931
- Cornerstone Family MedicineCertificate for Provider-Performed Microscopy Procedures, Physician office21D1013500
- Dennett SNF LLCCertificate of Waiver, Skilled nursing or nursing facility21D0884387
- Garrett County Health DepartmentCertificate for Provider-Performed Microscopy Procedures, Community clinic21D0649883
- Garrett Medical GroupCertificate for Provider-Performed Microscopy Procedures, Physician office21D0220145
- Garrett Regional Medical CenterCertificate of Accreditation, Hospital21D0220144
- Greggs Pharmacy IncCertificate of Waiver, Pharmacy21D2190996
- Headwaters Family MedicineCertificate of Waiver, Physician office21D2299754
- Health and Wellness ServicesCertificate of Waiver, Physician office21D2164333
- Hospice of Garrett County IncCertificate of Waiver, Hospice21D0901117
Related
Questions
What is the CLIA number for Garrett Treatment Center in Oakland?
21D2220436, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Garrett Treatment Center hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 21D2220436 expire?
The CMS file lists April 12, 2027 as the certificate expiration date; the certificate took effect April 13, 2025.