AMY LUNA DIAZ MD
NPI 1902435787
Obstetrics & Gynecology in Hickory, NC
About Amy Luna Diaz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMY LUNA DIAZ MD (NPI 1902435787) is an individual obstetrics & gynecology provider in Hickory, North Carolina, licensed in North Carolina (2026-04745) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with Lake Cumberland Regional Hospital, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Amy Luna Diaz 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 Reassignments
2Medicare enrollment records show Amy Diaz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Barbourville, KY 40906
- Reassigned Medicare billing, Kentucky enrollment
- 276 clinicians in this Medicare group
Somerset, KY 42503
- Reassigned Medicare billing, Kentucky enrollment
- 89 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.
Lake Cumberland Regional Hospital
Acute Care Hospitals · Somerset, KYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 28602 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HICKORY, NC 28602
HICKORY, NC 28602
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 Amy Diaz's NPI number?
The NPI number for Amy Diaz is 1902435787. It was assigned to this individual provider in the NPPES registry on April 3, 2020. The provider is also known as Amy Luna Rangel.
Where is Amy Diaz located?
Amy Diaz practices at 1501 Tate Blvd SE Ste 201, Hickory, NC 28602. The listed phone number is (828) 322-4140.
What is Amy Diaz's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Amy Diaz enrolled in Medicare?
Yes. Amy Diaz 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 Amy Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Diaz reassigns Medicare benefits to 2 organizations: Cumberland Family Medical Center, Inc. (Barbourville, KY) and Lake Cumberland Regional Hospital, LLC (Somerset, KY). 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 Amy Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amy Diaz accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter of Tennessee and Anthem Blue Cross and Blue Shield list Amy Diaz 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 Amy Diaz affiliated with any hospitals?
According to CMS data, Amy Diaz is affiliated with Lake Cumberland Regional Hospital.
When was this NPI record last updated?
The NPPES record for Amy Diaz was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Amy Luna Diaz, MD · NPI 1902435787
Obstetrics & Gynecology physician in Hickory, North Carolina. Individual provider, active in the CMS NPPES registry since April 3, 2020.
## Identity
- **NPI:** 1902435787 (Entity type: Individual)
- **Enumerated:** April 3, 2020
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 2026-04745 (North Carolina)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1501 TATE BLVD SE STE 201, Hickory, NC 28602-1385
- **Phone:** (828) 322-4140 · **Fax:** (828) 322-3767
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Cumberland Family Medical Center, Inc. (NPI 1053953828, Barbourville, KY); Lake Cumberland Regional Hospital, LLC (NPI 1447330451, Somerset, KY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** August 25, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1902435787) · Data from the CMS NPPES public registry.