CLIA lab

CLIA 21D2309771: American Oncology Partners PA DBA Bay Hematology O

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

CLIA number 21D2309771 belongs to American Oncology Partners PA DBA Bay Hematology O in Centreville, MD.

Certificate of Accreditation, effective July 8, 2025, expires July 7, 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 Accreditation
Certificate effective
July 8, 2025
Certificate expiration
July 7, 2027
Status in the CMS file
Active (termination code 00)
Original participation date
August 21, 2024
Facility type
Physician office
Ownership (control type)
Proprietary
Lab classification
CLIA laboratory
Accrediting organizations
COLA

Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page

Lab and contact

CLIA number
21D2309771
Lab name
American Oncology Partners PA DBA Bay Hematology O
Address
2977 4-H Park Rd #102, Centreville, MD 21617
Phone
(410) 758-4030
Fax
(410) 758-4733

Annual test volume the lab reported

Tests under accreditation
11,000

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 American Oncology Partners PA DBA Bay Hematology O in Centreville?

21D2309771, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does American Oncology Partners PA DBA Bay Hematology O hold?

A Certificate of Accreditation, according to the CMS file.

When does CLIA 21D2309771 expire?

The CMS file lists July 7, 2027 as the certificate expiration date; the certificate took effect July 8, 2025.

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