CLIA lab
CLIA 22D0977014: Robert J O'Brien JR MD and Associates
Winchester, MA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 22D0977014 belongs to Robert J O'Brien JR MD and Associates in Winchester, MA.
Certificate of Compliance, effective March 18, 2025, expires March 17, 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
- March 18, 2025
- Certificate expiration
- March 17, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- August 18, 2000
- Facility type
- Physician office
- Ownership (control type)
- Proprietary
- Lab classification
- CLIA laboratory
- Directly affiliated labs
- 1
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
Lab and contact
- CLIA number
- 22D0977014
- Lab name
- Robert J O'Brien JR MD and Associates
- Address
- 955 Main St Suite G6, Winchester, MA 01890
- Phone
- (781) 729-4878
- Fax
- (781) 729-5989
Annual test volume the lab reported
- Other nonwaived tests
- 11,141
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Affiliated CLIA numbers
Other labs in Winchester, MA
- Aberjona Nursing CenterCertificate of Waiver, Skilled nursing or nursing facility22D0072432
- Bilh PC Winchester Family PhysiciansCertificate of Waiver, Physician office22D0075544
- Bilh Primary CareCertificate of Waiver, Physician office22D2343023
- Bilh Winchester Primary CareCertificate of Waiver, Physician office22D2014629
- Boston Nurse Practitioners, PCCertificate of Waiver, Other practitioner22D2270003
- Charles River Eye AssociatesCertificate of Waiver, Physician office22D2009253
- Ear Nose & Throat Consultants IncCertificate of Waiver, Physician office22D2079211
- Gables at Winchester, theCertificate of Waiver, Assisted living facility22D2242296
- Insight Recovery Treatment Center, LLCCertificate of Waiver, Ancillary test site22D2318209
- Pediatricians IncCertificate of Accreditation, Physician office22D0072447
Related
Questions
What is the CLIA number for Robert J O'Brien JR MD and Associates in Winchester?
22D0977014, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Robert J O'Brien JR MD and Associates hold?
A Certificate of Compliance, according to the CMS file.
When does CLIA 22D0977014 expire?
The CMS file lists March 17, 2027 as the certificate expiration date; the certificate took effect March 18, 2025.