AMBER NICOLE ZAX FNP-C
NPI 1033823596
Nurse Practitioner - Family in Martinsville, VA
About Amber Nicole Zax Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMBER NICOLE ZAX FNP-C (NPI 1033823596) is an individual family provider in Martinsville, Virginia, licensed in Virginia (0024186186) and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2022).
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
Amber Nicole Zax Fnp-c 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
3Medicare enrollment records show Amber Zax reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Martinsville, VA 24112
- Reassigned Medicare billing, Virginia enrollment
- 608 clinicians in this Medicare group
Roanoke, VA 24014
- Reassigned Medicare billing, Virginia enrollment
- 1,207 clinicians in this Medicare group
Roanoke, VA 24011
- Reassigned Medicare billing, Virginia enrollment
- 194 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 24112 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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MARTINSVILLE, VA 24112
MARTINSVILLE, VA 24112
MARTINSVILLE, VA 24112
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 Amber Zax's NPI number?
The NPI number for Amber Zax is 1033823596. It was assigned to this individual provider in the NPPES registry on January 10, 2023.
Where is Amber Zax located?
Amber Zax practices at 1107A Brookdale St, Martinsville, VA 24112. The listed phone number is (276) 220-0464.
What is Amber Zax's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Amber Zax enrolled in Medicare?
Yes. Amber Zax 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 Amber Zax's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amber Zax reassigns Medicare benefits to 3 organizations: Carilion Giles Community Hospital (Martinsville, VA), Carilion Medical Center (Roanoke, VA) and Universal Health Corporation (Roanoke, VA). 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 Amber Zax's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amber Zax accept?
Health plans from Oscar Health list Amber Zax 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 Amber Zax was last updated on February 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Amber Nicole Zax, FNP-C · NPI 1033823596
Family physician in Martinsville, Virginia. Individual provider, active in the CMS NPPES registry since January 10, 2023.
## Identity
- **NPI:** 1033823596 (Entity type: Individual)
- **Enumerated:** January 10, 2023
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 0024186186 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1107A BROOKDALE ST, Martinsville, VA 24112-4501
- **Phone:** (276) 220-0464
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Carilion Giles Community Hospital (NPI 1710504840, Martinsville, VA); Carilion Medical Center (NPI 1114399276, Roanoke, VA); Universal Health Corporation (NPI 1407117625, Roanoke, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** February 9, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1033823596) · Data from the CMS NPPES public registry.