DR. JOHNNY DUONG O.D.
NPI 1811370968
Optometrist in Portland, OR
About Dr. Johnny Duong O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHNNY DUONG O.D. (NPI 1811370968) is an individual optometrist in Portland, Oregon, licensed in Oregon (3628AT) and active in the NPI registry since July 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Johnny Duong O.d. 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.
Medicare Billing Reassignments
2Medicare enrollment records show Johnny Duong reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97209
- Reassigned Medicare billing, Oregon enrollment
Clackamas, OR 97086
- Reassigned Medicare billing, Oregon enrollment
- 4 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97209 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
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 Johnny Duong's NPI number?
The NPI number for Johnny Duong is 1811370968. It was assigned to this individual provider in the NPPES registry on July 8, 2015.
Where is Johnny Duong located?
Johnny Duong practices at 1415 NW 21st Ave, Portland, OR 97209. The listed phone number is (503) 894-7200.
What is Johnny Duong's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Johnny Duong enrolled in Medicare?
Yes. Johnny Duong 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.
Which organizations bill Medicare for Johnny Duong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Johnny Duong reassigns Medicare benefits to 2 organizations: Slabtown Eye Care LLC (Portland, OR) and River City Eyecare, LLC (Clackamas, OR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Johnny Duong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Johnny Duong accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 6 other insurers list Johnny Duong 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 Johnny Duong was last updated on November 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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. Johnny Duong, O.D. · NPI 1811370968
Optometrist provider in Portland, Oregon. Individual provider, active in the CMS NPPES registry since July 8, 2015.
## Identity
- **NPI:** 1811370968 (Entity type: Individual)
- **Enumerated:** July 8, 2015
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 3628AT (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 1415 NW 21ST AVE, Portland, OR 97209-2176
- **Phone:** (503) 894-7200 · **Fax:** (503) 894-7201
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Slabtown Eye Care LLC (NPI 1649091752, Portland, OR); River City Eyecare, LLC (NPI 1578899472, Clackamas, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** November 19, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1811370968) · Data from the CMS NPPES public registry.