MRS. DIANA AMARILLAS MARTINEZ
NPI 1598894065
Nurse Practitioner in Phoenix, AZ
About Mrs. Diana Amarillas Martinez NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. DIANA AMARILLAS MARTINEZ (NPI 1598894065) is an individual nurse practitioner in Phoenix, Arizona, licensed in Arizona (329861) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2025).
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
Mrs. Diana Amarillas Martinez 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 Diana Martinez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Phoenix, AZ 85023
- Reassigned Medicare billing, Arizona enrollment
- 32 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 85023 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.
PHOENIX, AZ 85023
PHOENIX, AZ 85023
PHOENIX, AZ 85023
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 Diana Martinez's NPI number?
The NPI number for Diana Martinez is 1598894065. It was assigned to this individual provider in the NPPES registry on March 2, 2007.
Where is Diana Martinez located?
Diana Martinez practices at 2525 W Greenway Rd Ste 125, Phoenix, AZ 85023. The listed phone number is (480) 573-0130.
What is Diana Martinez's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Diana Martinez enrolled in Medicare?
Yes. Diana Martinez 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 Diana Martinez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Martinez reassigns Medicare benefits to Advanced Spine And Pain LLC (Phoenix, AZ). 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 Diana Martinez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Diana Martinez accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona and UnitedHealthcare list Diana Martinez 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 Diana Martinez was last updated on January 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.