ALDEN PAIGE GREGSTON MD
NPI 1538620174
Ophthalmology - Pediatric Ophthalmology and Strabismus Specialist in Longview, TX
About Alden Paige Gregston Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALDEN PAIGE GREGSTON MD (NPI 1538620174) is an individual pediatric ophthalmology and strabismus specialist in Longview, Texas, licensed in Texas (V2089) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Christus Good Shepherd Medical Center, and maintains a secondary practice location in Tyler.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Alden Paige Gregston Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Christus Good Shepherd Medical Center
Acute Care Hospitals · Longview, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75604 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alden Gregston's NPI number?
The NPI number for Alden Gregston is 1538620174. It was assigned to this individual provider in the NPPES registry on March 27, 2019.
Where is Alden Gregston located?
Alden Gregston practices at 2394 H G Mosley Pkwy, Longview, TX 75604. The listed phone number is (903) 234-0771.
What is Alden Gregston's specialty?
The primary specialty registered for this NPI is Ophthalmology, specializing in Pediatric Ophthalmology and Strabismus Specialist, with taxonomy code 207WX0110X.
Is Alden Gregston enrolled in Medicare?
Yes. Alden Gregston is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Alden Gregston accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 3 other insurers list Alden Gregston as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Alden Gregston affiliated with any hospitals?
According to CMS data, Alden Gregston is affiliated with Christus Good Shepherd Medical Center.
When was this NPI record last updated?
The NPPES record for Alden Gregston was last updated on August 28, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.