AMY ELIZABETH O'NEIL DO
NPI 1104266881
Internal Medicine - Cardiovascular Disease in Waterford, MI
About Amy Elizabeth O'neil Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMY ELIZABETH O'NEIL DO (NPI 1104266881) is an individual cardiovascular disease provider in Waterford, Michigan, licensed in Michigan (5101020289) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS, is affiliated with Trinity Health Oakland Hospital, and maintains a secondary practice location in Garden City.
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 and accepts Medicare assignment
Amy Elizabeth O'neil Do 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 Amy O'neil reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pontiac, MI 48342
- Reassigned Medicare billing, Michigan enrollment
- 76 clinicians in this Medicare group
Mount Clemens, MI 48043
- Reassigned Medicare billing, Michigan enrollment
- 188 clinicians in this Medicare group
Burton, MI 48509
- Reassigned Medicare billing, Michigan enrollment
- 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.
Areas of Expertise CMS Part B claims 29
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Trinity Health Oakland Hospital
Acute Care Hospitals · Pontiac, MIHenry Ford Macomb Hospital
Acute Care Hospitals · Clinton Township, MIMclaren Oakland
Acute Care Hospitals · Pontiac, MIMclaren Macomb
Acute Care Hospitals · Mount Clemens, MIBeaumont Hospital, Troy
Acute Care Hospitals · Troy, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48327 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Amy O'neil's NPI number?
The NPI number for Amy O'neil is 1104266881. It was assigned to this individual provider in the NPPES registry on June 26, 2013.
Where is Amy O'neil located?
Amy O'neil practices at 5210 Highland Rd Ste 200, Waterford, MI 48327. The listed phone number is (248) 625-9099.
What is Amy O'neil's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Amy O'neil enrolled in Medicare?
Yes. Amy O'neil 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 Amy O'neil's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy O'neil reassigns Medicare benefits to 3 organizations: Mclaren Oakland (Pontiac, MI), Mclaren Macomb (Mount Clemens, MI) and Mclaren Medical Group (Burton, 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 Amy O'neil's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amy O'neil accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Priority Health and UnitedHealthcare list Amy O'neil 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.
Is Amy O'neil affiliated with any hospitals?
According to CMS data, Amy O'neil is affiliated with Trinity Health Oakland Hospital, Henry Ford Macomb Hospital, Mclaren Oakland, Mclaren Macomb and Beaumont Hospital, Troy.
When was this NPI record last updated?
The NPPES record for Amy O'neil was last updated on May 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.