PETER CHIARELLI MD
NPI 1154642320
Neurological Surgery in Phoenix, AZ
About Peter Chiarelli Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PETER CHIARELLI MD (NPI 1154642320) is an individual neurological surgery provider in Phoenix, Arizona, licensed in Arizona (76531) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS and maintains a secondary practice location in Seattle.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 (PECOS)
Peter Chiarelli Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Peter Chiarelli reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85016
- Reassigned Medicare billing, Arizona enrollment
- 1,416 clinicians in this Medicare group
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 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 Peter Chiarelli's NPI number?
The NPI number for Peter Chiarelli is 1154642320. It was assigned to this individual provider in the NPPES registry on June 22, 2010.
Where is Peter Chiarelli located?
Peter Chiarelli practices at 1919 E Thomas Rd, Phoenix, AZ 85016. The listed phone number is (602) 933-1000.
What is Peter Chiarelli's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Peter Chiarelli enrolled in Medicare?
Yes. Peter Chiarelli is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Peter Chiarelli's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Chiarelli reassigns Medicare benefits to 2 organizations: Phoenix Children's Hospital (Phoenix, AZ) and Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA). 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 Peter Chiarelli's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Peter Chiarelli accept?
Health plans from Imperial Insurance Companies, Inc. list Peter Chiarelli 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 Peter Chiarelli was last updated on August 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.