MS. MAYRA FLORES CONTRERAS
NPI 1578411849
Nurse Practitioner - Family in Vienna, VA
About Ms. Mayra Flores Contreras NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MAYRA FLORES CONTRERAS (NPI 1578411849) is an individual family provider in Vienna, Virginia, licensed in Virginia (0024199069) and active in the NPI registry since March 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Mayra Flores Contreras is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mayra Flores Contreras reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Thurmont, MD 21788
- Reassigned Medicare billing, Maryland enrollment
- 6 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 22180 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
VIENNA, VA 22180
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 Mayra Flores Contreras's NPI number?
The NPI number for Mayra Flores Contreras is 1578411849. It was assigned to this individual provider in the NPPES registry on March 20, 2026.
Where is Mayra Flores Contreras located?
Mayra Flores Contreras practices at 337 Maple Ave E, Vienna, VA 22180. The listed phone number is (703) 938-2374.
What is Mayra Flores Contreras's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mayra Flores Contreras enrolled in Medicare?
Yes. Mayra Flores Contreras is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mayra Flores Contreras's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mayra Flores Contreras reassigns Medicare benefits to Amreen S Aziz MD PA (Thurmont, MD). 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 Mayra Flores Contreras's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mayra Flores Contreras was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Ms. Mayra Flores Contreras · NPI 1578411849
Family physician in Vienna, Virginia. Individual provider, active in the CMS NPPES registry since March 20, 2026.
## Identity
- **NPI:** 1578411849 (Entity type: Individual)
- **Enumerated:** March 20, 2026
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 0024199069 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 337 MAPLE AVE E, Vienna, VA 22180-4717
- **Phone:** (703) 938-2374
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Amreen S Aziz MD PA (NPI 1902549595, Thurmont, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** October 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1578411849) · Data from the CMS NPPES public registry.