ARON SLEAR MD
NPI 1053769711
Emergency Medicine in Northampton, MA
About Aron Slear Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARON SLEAR MD (NPI 1053769711) is an individual emergency medicine provider in Northampton, Massachusetts, licensed in Michigan (4301109626) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Michigan State University College Of Human Medicine (2016).
NPPES Registry Identity
Specialties & Licenses
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
Aron Slear 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
3Medicare enrollment records show Aron Slear reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Northampton, MA 01060
- Reassigned Medicare billing, Massachusetts enrollment
- 539 clinicians in this Medicare group
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 265 clinicians in this Medicare group
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 192 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 3
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spectrum Health
Acute Care Hospitals · Grand Rapids, MICorewell Health Big Rapids Hospital
Acute Care Hospitals · Big Rapids, MICorewell Health Gerber Hospital
Critical Access Hospitals · Fremont, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01060 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.
NORTHAMPTON, MA 01060
NORTHAMPTON, MA 01060
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 Aron Slear's NPI number?
The NPI number for Aron Slear is 1053769711. It was assigned to this individual provider in the NPPES registry on June 2, 2016.
Where is Aron Slear located?
Aron Slear practices at 30 Locust St, Northampton, MA 01060. The listed phone number is (413) 582-2109.
What is Aron Slear's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Aron Slear enrolled in Medicare?
Yes. Aron Slear 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 Aron Slear's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aron Slear reassigns Medicare benefits to 3 organizations: Mass General Brigham Medical Group Western Massachusetts Inc (Northampton, MA), Ecs Western Michigan PC (Grand Rapids, MI) and Visionary Medical Services PC (Grand Rapids, MI). 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 Aron Slear's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Aron Slear affiliated with any hospitals?
According to CMS data, Aron Slear is affiliated with Spectrum Health, Corewell Health Big Rapids Hospital and Corewell Health Gerber Hospital.
When was this NPI record last updated?
The NPPES record for Aron Slear was last updated on November 5, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.