CLIA lab
CLIA 05D2250801: Timothy S Johnston MD PC
Merced, CA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 05D2250801 belongs to Timothy S Johnston MD PC in Merced, CA.
Certificate of Waiver, effective January 28, 2026, expires January 27, 2028.
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
Run it in Rivvi
Map your lab's test names to LOINC codes
Open in RivviFree to start. Opens Rivvi, the AI workspace for healthcare teams.
Certificate
- Certificate type
- Certificate of Waiver
- Certificate effective
- January 28, 2026
- Certificate expiration
- January 27, 2028
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- January 28, 2022
- 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
- 05D2250801
- Lab name
- Timothy S Johnston MD PC
- Address
- 3180 Collins Drive, Merced, CA 95348
- Phone
- (209) 349-8459
- Fax
- (209) 580-4138
Annual test volume the lab reported
- Waived tests
- 7
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Other labs in Merced, CA
- Advanced Endoscopy Center IncCertificate of Waiver, Ambulatory surgery center05D0966657
- Aegis Treatment Centers, LLCCertificate of Waiver, Other05D1004784
- Anberry Transitional CareCertificate of Waiver, Skilled nursing or nursing facility05D2105846
- AspiranetCertificate of Waiver, Other05D2288770
- Aura Healthcare LLCCertificate of Waiver, Home health agency05D2321524
- Brandon Boggs MD IncCertificate of Waiver, Physician office05D2347919
- Bristol Hospice - California, LLCCertificate of Waiver, Hospice05D1058664
- CF Merced Behavioral, LLCCertificate of Waiver, Intermediate care facility for individuals with intellectual disabilities05D0910479
- Carolyn Comilang, MDCertificate of Waiver, Physician office05D0698259
- Central Star Crisis Residential UnitCertificate of Waiver, Other05D2164138
Related
Questions
What is the CLIA number for Timothy S Johnston MD PC in Merced?
05D2250801, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Timothy S Johnston MD PC hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 05D2250801 expire?
The CMS file lists January 27, 2028 as the certificate expiration date; the certificate took effect January 28, 2026.