CLIA lab
CLIA 33D1028049: Martin I Granoff MD PC
East Northport, NY. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 33D1028049 belongs to Martin I Granoff MD PC in East Northport, NY.
Certificate for Provider-Performed Microscopy Procedures, effective September 1, 2025, expires August 31, 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
- September 1, 2025
- Certificate expiration
- August 31, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- July 20, 2004
- 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
- 33D1028049
- Lab name
- Martin I Granoff MD PC
- Address
- 554 Larkfield Road, 1st Floor, East Northport, NY 11731
- Phone
- (631) 368-3800
- Fax
- (631) 368-3802
Annual test volume the lab reported
- Waived tests
- 2,000
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 Martin I Granoff MD PC in East Northport?
33D1028049, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Martin I Granoff MD PC hold?
A Certificate for Provider-Performed Microscopy Procedures, according to the CMS file.
When does CLIA 33D1028049 expire?
The CMS file lists August 31, 2027 as the certificate expiration date; the certificate took effect September 1, 2025.