VASILIKI VIVIAN DIMAS MD
NPI 1639102148
Pediatrics - Pediatric Cardiology in Dallas, TX
About Vasiliki Vivian Dimas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VASILIKI VIVIAN DIMAS MD (NPI 1639102148) is an individual pediatric cardiology provider in Dallas, Texas, licensed in Texas (L6032) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Medical City Dallas Hospital, and maintains a secondary practice location in Dallas.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 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
Vasiliki Vivian Dimas 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.
Medicare Billing Reassignment
Medicare enrollment records show Vasiliki Dimas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Dallas, TX 75230
- Reassigned Medicare billing, Texas enrollment
- 27 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Medical City Dallas Hospital
Acute Care Hospitals · Dallas, TXOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DALLAS, TX 75390
DALLAS, TX 75390
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 Vasiliki Dimas's NPI number?
The NPI number for Vasiliki Dimas is 1639102148. It was assigned to this individual provider in the NPPES registry on July 8, 2006. The provider is also known as Vasiliki Vivian Chrysanthakoupoulos.
Where is Vasiliki Dimas located?
Vasiliki Dimas practices at 5323 Harry Hines Blvd, Dallas, TX 75390. The listed phone number is (214) 730-5437.
What is Vasiliki Dimas's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Vasiliki Dimas enrolled in Medicare?
Yes. Vasiliki Dimas 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 Vasiliki Dimas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vasiliki Dimas reassigns Medicare benefits to Congenital Heart Surgery Center PLLC (Dallas, 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 Vasiliki Dimas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Vasiliki Dimas 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 5 other insurers list Vasiliki Dimas 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 Vasiliki Dimas affiliated with any hospitals?
According to CMS data, Vasiliki Dimas is affiliated with Medical City Dallas Hospital.
When was this NPI record last updated?
The NPPES record for Vasiliki Dimas was last updated on December 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Vasiliki Vivian Dimas, MD · NPI 1639102148
Pediatric Cardiology physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since July 8, 2006.
## Identity
- **NPI:** 1639102148 (Entity type: Individual)
- **Enumerated:** July 8, 2006
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** L6032 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 5323 HARRY HINES BLVD, Dallas, TX 75390-7208
- **Phone:** (214) 730-5437
## 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:** Congenital Heart Surgery Center PLLC (NPI 1386700565, Dallas, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Oklahoma College Of Medicine, class of 1999
## Record status
- **NPPES last updated:** December 2, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1639102148) · Data from the CMS NPPES public registry.