CLIA lab

CLIA 22D2100955: Mark S Amster MD

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

CLIA number 22D2100955 belongs to Mark S Amster MD in Needham, MA.

Certificate for Provider-Performed Microscopy Procedures, effective August 25, 2025, expires August 24, 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 for Provider-Performed Microscopy Procedures
Certificate effective
August 25, 2025
Certificate expiration
August 24, 2027
Status in the CMS file
Active (termination code 00)
Original participation date
August 25, 2015
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
22D2100955
Lab name
Mark S Amster MD
Address
60 Dedham Ave Ste #206, Needham, MA 02492
Phone
(781) 444-6200
Fax
(781) 444-6209

Annual test volume the lab reported

Waived tests
30
Provider-performed microscopy tests
30
Total
60

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 Mark S Amster MD in Needham?

22D2100955, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Mark S Amster MD hold?

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

When does CLIA 22D2100955 expire?

The CMS file lists August 24, 2027 as the certificate expiration date; the certificate took effect August 25, 2025.

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