CLIA lab
CLIA 45D1048310: Charles Gregory Family Medicine DO
Portland, TX. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 45D1048310 belongs to Charles Gregory Family Medicine DO in Portland, TX.
Certificate of Waiver, effective November 29, 2025, expires November 28, 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
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
- November 29, 2025
- Certificate expiration
- November 28, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- November 29, 2005
- 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
- 45D1048310
- Lab name
- Charles Gregory Family Medicine DO
- Address
- 311 B Buddy Ganem, Portland, TX 78374
- Phone
- (361) 643-9800
- Fax
- (361) 643-5112
Annual test volume the lab reported
- Waived tests
- 1,200
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Other labs in Portland, TX
- Bridge Family PracticeCertificate of Waiver, Physician office45D2220951
- Bridge Occupational MedicineCertificate of Waiver, Physician office45D2262957
- CC Doctors Center Portland, PLLCCertificate of Waiver, Physician office45D2127029
- Christus Trinity Clinic - PortlandCertificate of Waiver, Physician office45D2035019
- Coastal Children's Clinic PACertificate of Accreditation, Physician office45D0705790
- Coastal Palms Nursing & RehabilitationCertificate of Waiver, Skilled nursing or nursing facility45D1017324
- Conviva Medical Center Management of Texas PACertificate of Waiver, Physician office45D0988342
- DR Mario A Martinez Primary & DiagnosticCertificate of Waiver, Physician office45D2182264
- Darryl D Collins MD PACertificate of Waiver, Physician office45D0989944
- ER 24/7 PortlandCertificate of Accreditation, Other45D2022341
Related
Questions
What is the CLIA number for Charles Gregory Family Medicine DO in Portland?
45D1048310, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Charles Gregory Family Medicine DO hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 45D1048310 expire?
The CMS file lists November 28, 2027 as the certificate expiration date; the certificate took effect November 29, 2025.