ELENI OKEANIS VAOU M.D.
NPI 1033431846
Psychiatry & Neurology - Neurology in San Antonio, TX
About Eleni Okeanis Vaou M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELENI OKEANIS VAOU M.D. (NPI 1033431846) is an individual neurology provider in San Antonio, Texas, licensed in Texas (T9269) and active in the NPI registry since February 2010. She is enrolled in Medicare PECOS, is affiliated with University Health System, and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 1
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
Eleni Okeanis Vaou M.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 Reassignment
Medicare enrollment records show Eleni Vaou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 2,397 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.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Health System
Acute Care Hospitals · San Antonio, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78229 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
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 Eleni Vaou's NPI number?
The NPI number for Eleni Vaou is 1033431846. It was assigned to this individual provider in the NPPES registry on February 20, 2010. The provider is also known as Okeanis E Vaou M.D..
Where is Eleni Vaou located?
Eleni Vaou practices at 8300 Floyd Curl Dr, San Antonio, TX 78229. The listed phone number is (210) 450-9930.
What is Eleni Vaou's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Eleni Vaou enrolled in Medicare?
Yes. Eleni Vaou 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 organization bills Medicare for Eleni Vaou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eleni Vaou reassigns Medicare benefits to University Of Texas Health Science Center At San Antonio (San Antonio, TX). 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 Eleni Vaou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eleni Vaou accept?
Health plans from Blue Cross and Blue Shield of Texas, Community First and Imperial Insurance Companies, Inc. list Eleni Vaou 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 Eleni Vaou affiliated with any hospitals?
According to CMS data, Eleni Vaou is affiliated with University Health System.
When was this NPI record last updated?
The NPPES record for Eleni Vaou was last updated on April 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Eleni Okeanis Vaou, M.D. · NPI 1033431846
Neurology physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since February 20, 2010.
## Identity
- **NPI:** 1033431846 (Entity type: Individual)
- **Enumerated:** February 20, 2010
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** T9269 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 8300 FLOYD CURL DR, San Antonio, TX 78229-3931
- **Phone:** (210) 450-9930 · **Fax:** (210) 450-6039
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Of Texas Health Science Center At San Antonio (NPI 1760424873, San Antonio, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** April 9, 2025
- **Other identifiers:** Medicaid 110093806A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1033431846) · Data from the CMS NPPES public registry.