CLIA lab
CLIA 05D0855690: Betsy Felser MD
Pasadena, CA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 05D0855690 belongs to Betsy Felser MD in Pasadena, CA.
Certificate of Waiver, effective September 1, 2026, expires August 31, 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
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Certificate
- Certificate type
- Certificate of Waiver
- Certificate effective
- September 1, 2026
- Certificate expiration
- August 31, 2028
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- December 21, 1992
- 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
- 05D0855690
- Lab name
- Betsy Felser MD
- Address
- 221 E Walnut St, Ste 115, Pasadena, CA 91101
- Phone
- (626) 844-9111
- Fax
- (626) 844-0255
Annual test volume the lab reported
- Waived tests
- 500
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 Betsy Felser MD in Pasadena?
05D0855690, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Betsy Felser MD hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 05D0855690 expire?
The CMS file lists August 31, 2028 as the certificate expiration date; the certificate took effect September 1, 2026.