MR. PETER MILONAS
NPI 1447614078
Anesthesiology in Grand Rapids, MI
About Mr. Peter Milonas NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. PETER MILONAS (NPI 1447614078) is an individual anesthesiology provider in Grand Rapids, Michigan, licensed in Michigan (4301503503) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Trinity Health Muskegon Hospital, and is a graduate of Michigan State University College Of Human Medicine (2016).
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
Mr. Peter Milonas 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 Reassignment
Medicare enrollment records show Peter Milonas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 199 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Trinity Health Muskegon Hospital
Acute Care Hospitals · Muskegon, MITrinity Health Grand Haven Hospital
Acute Care Hospitals · Grand Haven, MIUniversity Of Michigan Health - West
Acute Care Hospitals · Wyoming, MIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAND RAPIDS, MI 49503
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 Milonas's NPI number?
The NPI number for Peter Milonas is 1447614078. It was assigned to this individual provider in the NPPES registry on April 10, 2016.
Where is Peter Milonas located?
Peter Milonas practices at 100 Michigan St NE, Grand Rapids, MI 49503. The listed phone number is (866) 600-2273.
What is Peter Milonas's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Peter Milonas enrolled in Medicare?
Yes. Peter Milonas 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 organization bills Medicare for Peter Milonas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Milonas reassigns Medicare benefits to Saint Mary's Health Services (Grand Rapids, MI). 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 Peter Milonas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Peter Milonas accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Peter Milonas 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 Peter Milonas affiliated with any hospitals?
According to CMS data, Peter Milonas is affiliated with Trinity Health Muskegon Hospital, Trinity Health Grand Haven Hospital and University Of Michigan Health - West.
When was this NPI record last updated?
The NPPES record for Peter Milonas was last updated on February 1, 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.
# Mr. Peter Milonas · NPI 1447614078
Anesthesiology physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since April 10, 2016.
## Identity
- **NPI:** 1447614078 (Entity type: Individual)
- **Enumerated:** April 10, 2016
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 4301503503 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 MICHIGAN ST NE, Grand Rapids, MI 49503-2560
- **Phone:** (866) 600-2273
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Saint Mary's Health Services (NPI 1124063078, Grand Rapids, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Human Medicine, class of 2016
## Record status
- **NPPES last updated:** February 1, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1447614078) · Data from the CMS NPPES public registry.