CLIA lab

CLIA 21D2300987: Maryland Oncology Hematology - Largo

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

CLIA number 21D2300987 belongs to Maryland Oncology Hematology - Largo in Largo, MD.

Certificate of Compliance, effective May 23, 2025, expires May 22, 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 Compliance
Certificate effective
May 23, 2025
Certificate expiration
May 22, 2027
Status in the CMS file
Active (termination code 00)
Original participation date
March 20, 2024
Facility type
Physician office
Ownership (control type)
Proprietary
Lab classification
CLIA laboratory
Directly affiliated labs
2

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

Lab and contact

CLIA number
21D2300987
Lab name
Maryland Oncology Hematology - Largo
Address
9333 Healthcare Way, Suite 4100, Largo, MD 20774
Phone
(301) 812-3900
Fax
(301) 782-4132

Annual test volume the lab reported

Waived tests
486
Other nonwaived tests
60,500
Total
60,986

Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.

Affiliated CLIA numbers

Other labs in Largo, MD

Related

Questions

What is the CLIA number for Maryland Oncology Hematology - Largo in Largo?

21D2300987, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Maryland Oncology Hematology - Largo hold?

A Certificate of Compliance, according to the CMS file.

When does CLIA 21D2300987 expire?

The CMS file lists May 22, 2027 as the certificate expiration date; the certificate took effect May 23, 2025.

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