GIANNA SEO
NPI 1194472324
Optometrist in King Of Prussia, PA
About Gianna Seo NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GIANNA SEO (NPI 1194472324) is an individual optometrist in King Of Prussia, Pennsylvania, licensed in Pennsylvania (OEG003878) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS.
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 (PECOS)
Gianna Seo is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Gianna Seo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Erie, PA 16565
- Reassigned Medicare billing, Pennsylvania enrollment
- 191 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 19406 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Gianna Seo's NPI number?
The NPI number for Gianna Seo is 1194472324. It was assigned to this individual provider in the NPPES registry on March 8, 2022.
Where is Gianna Seo located?
Gianna Seo practices at Address: 160 N Gulph Rd Ste 2007A, King Of Prussia, PA 19406. The listed phone number is (610) 265-5940.
What is Gianna Seo's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Gianna Seo enrolled in Medicare?
Yes. Gianna Seo is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Gianna Seo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gianna Seo reassigns Medicare benefits to Visionworks, Inc. (Erie, PA). The 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 Gianna Seo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gianna Seo accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan, Blue Cross Blue Shield of Wyoming and Blue Cross and Blue Shield of Louisiana and 2 other insurers list Gianna Seo 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 Gianna Seo was last updated on June 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.