CARSTEN P BOYSEN MD
NPI 1407845258
Anesthesiology in Muskegon, MI
About Carsten P Boysen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CARSTEN P BOYSEN MD (NPI 1407845258) is an individual anesthesiology provider in Muskegon, Michigan, licensed in Michigan (CB042592) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Trinity Health Muskegon Hospital, and is a graduate of University Of Wisconsin School Of Medicine (1979).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Carsten P Boysen 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 Reassignment
Medicare enrollment records show Carsten Boysen 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.
Areas of Expertise CMS Part B claims 4
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 2
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, MIMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Carsten Boysen's NPI number?
The NPI number for Carsten Boysen is 1407845258. It was assigned to this individual provider in the NPPES registry on October 14, 2005.
Where is Carsten Boysen located?
Carsten Boysen practices at 1700 Clinton St, Muskegon, MI 49442. The listed phone number is (231) 726-3511.
What is Carsten Boysen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Carsten Boysen enrolled in Medicare?
Yes. Carsten Boysen 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 Carsten Boysen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carsten Boysen 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 Carsten Boysen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Carsten Boysen affiliated with any hospitals?
According to CMS data, Carsten Boysen is affiliated with Trinity Health Muskegon Hospital and Trinity Health Grand Haven Hospital.
When was this NPI record last updated?
The NPPES record for Carsten Boysen was last updated on August 16, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Carsten P Boysen, MD · NPI 1407845258
Anesthesiology physician in Muskegon, Michigan. Individual provider, active in the CMS NPPES registry since October 14, 2005.
## Identity
- **NPI:** 1407845258 (Entity type: Individual)
- **Enumerated:** October 14, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** CB042592 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1700 CLINTON ST, Muskegon, MI 49442-5502
- **Phone:** (231) 726-3511
## 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:** University Of Wisconsin School Of Medicine, class of 1979
## Record status
- **NPPES last updated:** August 16, 2016
- **Other identifiers:** Medicare ID-Type Unspecified 0F16123002 (MI); Medicaid 1724097 (MI); Medicare UPIN A75938
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Source: [NPI Profile](https://npiprofile.com/npi/1407845258) · Data from the CMS NPPES public registry.