STEPHANIE DIANNE DE SANTIAGO
NPI 1497303028
Nurse Practitioner - Gerontology in Sun City, AZ
About Stephanie Dianne De Santiago NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHANIE DIANNE DE SANTIAGO (NPI 1497303028) is an individual gerontology provider in Sun City, Arizona, licensed in Arizona (226871) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
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
Stephanie Dianne De Santiago 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 Stephanie De Santiago reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85012
- Reassigned Medicare billing, Arizona enrollment
- Medicare enrollment name: Banner Alzheimers Institute
- 38 clinicians in this Medicare group
Chandler, AZ 85226
- Reassigned Medicare billing, Arizona enrollment
- 10 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 6
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 85351 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
SUN CITY, AZ 85351
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 Stephanie De Santiago's NPI number?
The NPI number for Stephanie De Santiago is 1497303028. It was assigned to this individual provider in the NPPES registry on August 27, 2019.
Where is Stephanie De Santiago located?
Stephanie De Santiago practices at 10515 W Santa Fe Dr, Sun City, AZ 85351. The listed phone number is (480) 209-5629.
What is Stephanie De Santiago's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Stephanie De Santiago enrolled in Medicare?
Yes. Stephanie De Santiago 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 Stephanie De Santiago's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie De Santiago reassigns Medicare benefits to 2 organizations: Banner Alzheimer's Institute (Phoenix, AZ) and Brain And Spine Center Plc (Chandler, AZ). 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 Stephanie De Santiago's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephanie De Santiago accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and Oscar Health Plan, Inc. and 1 other insurer list Stephanie De Santiago 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 Stephanie De Santiago was last updated on October 2, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.