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Gary Horn is one of 106 diagnostic radiologists practicing in League City, Texas .
Gary Horn practices with Singleton Associates PA.
Registry record (NPPES)
NPI
1720399629
Type
Type 1 · Individual
Primary taxonomy
Radiology, Diagnostic Radiology · 2085R0202X
Address on file
6560 Fannin St Houston, TX 77030-2761 (713) 441-4431
Enumerated
Jun 24, 2010
Record last updated
Aug 27, 2025
License states listed
MA, TX
Medicare (CMS)
Enrollment
Medicare-enrolled in TXDiagnostic Radiology
Revalidation due
No date set by CMS
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Part D prescribing
Procedure volumes by CPT code
Group affiliations and colleagues
Full enrollment history
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Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.
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