MS. ILYSSA BAIN PNP-AC
NPI 1588322770
Nurse Practitioner - Pediatrics in Phoenix, AZ
About Ms. Ilyssa Bain Pnp-ac NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. ILYSSA BAIN PNP-AC (NPI 1588322770) is an individual pediatrics provider in Phoenix, Arizona, licensed in Arizona (259452) and active in the NPI registry since December 2021. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Ilyssa Bain Pnp-ac is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ilyssa Bain reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Phoenix, AZ 85016
- Reassigned Medicare billing, Arizona enrollment
- 1,416 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 85016 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.
PHOENIX, AZ 85016
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 Ilyssa Bain's NPI number?
The NPI number for Ilyssa Bain is 1588322770. It was assigned to this individual provider in the NPPES registry on December 4, 2021.
Where is Ilyssa Bain located?
Ilyssa Bain practices at 1919 E Thomas Rd, Phoenix, AZ 85016. The listed phone number is (602) 933-1900.
What is Ilyssa Bain's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Ilyssa Bain enrolled in Medicare?
Yes. Ilyssa Bain is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ilyssa Bain's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ilyssa Bain reassigns Medicare benefits to Phoenix Children's Hospital (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 Ilyssa Bain'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 Ilyssa Bain was last updated on February 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Ms. Ilyssa Bain, PNP-AC · NPI 1588322770
Pediatrics physician in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since December 4, 2021.
## Identity
- **NPI:** 1588322770 (Entity type: Individual)
- **Enumerated:** December 4, 2021
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** 259452 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 1919 E THOMAS RD, Phoenix, AZ 85016-7710
- **Phone:** (602) 933-1900
## 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:** Phoenix Children's Hospital (NPI 1922112044, Phoenix, AZ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 22, 2024
- **Other identifiers:** Medicaid 120424 (AZ)
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Source: [NPI Profile](https://npiprofile.com/npi/1588322770) · Data from the CMS NPPES public registry.