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Alden Gregston is one of 8 ophthalmologists practicing in Longview, Texas .
Alden Gregston practices with Charles L. Heaton, M.D. P.A.
Registry record (NPPES)
NPI
1538620174
Type
Type 1 · Individual
Primary taxonomy
Ophthalmology · 207W00000X
Address on file
2394 H G Mosley Pkwy Longview, TX 75604-3661 (903) 234-0771
Enumerated
Mar 27, 2019
Record last updated
Aug 26, 2026
License states listed
TX
Medicare (CMS)
Enrollment
Medicare-enrolled in TXOphthalmology
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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Practice locations
2394 H G Mosley Pkwy
Longview , TX 75604
90352604442111
More ophthalmologists in Longview
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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