DR. BARRY A WINSTON OD
NPI 1609868421
Ophthalmology in Knoxville, TN
About Dr. Barry A Winston Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BARRY A WINSTON OD (NPI 1609868421) is an individual ophthalmology provider in Knoxville, Tennessee, licensed in Tennessee (3448970) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and is a graduate of Southern College Of Optometry (1974).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Dr. Barry A Winston Od 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37923 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 4
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 Barry Winston's NPI number?
The NPI number for Barry Winston is 1609868421. It was assigned to this individual provider in the NPPES registry on August 18, 2005.
Where is Barry Winston located?
Barry Winston practices at 8609 Kingston Pike, Knoxville, TN 37923. The listed phone number is (865) 693-3441.
What is Barry Winston's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Barry Winston enrolled in Medicare?
Yes. Barry Winston 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 Barry Winston accept?
Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas, BlueCross BlueShield of Tennessee and Providence Health Plan and 1 other insurer list Barry Winston 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.
When was this NPI record last updated?
The NPPES record for Barry Winston was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Barry A Winston, OD · NPI 1609868421
Ophthalmology physician in Knoxville, Tennessee. Individual provider, active in the CMS NPPES registry since August 18, 2005.
## Identity
- **NPI:** 1609868421 (Entity type: Individual)
- **Enumerated:** August 18, 2005
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 3448970 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 8609 KINGSTON PIKE, Knoxville, TN 37923-5103
- **Phone:** (865) 693-3441 · **Fax:** (865) 769-8272
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Medical school:** Southern College Of Optometry, class of 1974
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Other 0054926 (TN); Other 62073 (TN); Other 2240008 (TN)
---
Source: [NPI Profile](https://npiprofile.com/npi/1609868421) · Data from the CMS NPPES public registry.