CHRISTOPHER WIENCZEWSKI MD
NPI 1871723478
Pathology - Anatomic Pathology in Kalamazoo, MI
About Christopher Wienczewski Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPHER WIENCZEWSKI MD (NPI 1871723478) is an individual anatomic pathology provider in Kalamazoo, Michigan, licensed in Michigan (4301095144) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS, is affiliated with Bronson Methodist Hospital, and is a graduate of Wayne State University School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Christopher Wienczewski 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
4Medicare enrollment records show Christopher Wienczewski reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kalamazoo, MI 49007
- Reassigned Medicare billing, Michigan enrollment
- 9 clinicians in this Medicare group
Kalamazoo, MI 49007
- Reassigned Medicare billing, Michigan enrollment
- 20 clinicians in this Medicare group
Kalamazoo, MI 49009
- Reassigned Medicare billing, Michigan enrollment
- 34 clinicians in this Medicare group
Saint Joseph, MI 49085
- Reassigned Medicare billing, Michigan enrollment
- 14 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 15
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.
Bronson Methodist Hospital
Acute Care Hospitals · Kalamazoo, MIBronson Battle Creek Hospital
Acute Care Hospitals · Battle Creek, MIBronson South Haven Hospital
Acute Care Hospitals · South Haven, MIOaklawn Hospital
Acute Care Hospitals · Marshall, MIBronson Lakeview Hospital
Critical Access Hospitals · Paw Paw, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49007 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
KALAMAZOO, MI 49007
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 Christopher Wienczewski's NPI number?
The NPI number for Christopher Wienczewski is 1871723478. It was assigned to this individual provider in the NPPES registry on July 17, 2009.
Where is Christopher Wienczewski located?
Christopher Wienczewski practices at 601 John St Pathology Services Of Kalamazoo, Kalamazoo, MI 49007. The listed phone number is (248) 918-9775.
What is Christopher Wienczewski's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.
Is Christopher Wienczewski enrolled in Medicare?
Yes. Christopher Wienczewski 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 Christopher Wienczewski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Wienczewski reassigns Medicare benefits to 4 organizations: Diagnostic Pathology Services Of Southwest Michigan PC (Kalamazoo, MI), Patholgy Services Of Kalamazoo, PC (Kalamazoo, MI), Bronson Methodist Hospital (Kalamazoo, MI) and Southwest Michigan Pathology Services, PC (Saint Joseph, 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 Christopher Wienczewski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher Wienczewski accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Christopher Wienczewski 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 Christopher Wienczewski affiliated with any hospitals?
According to CMS data, Christopher Wienczewski is affiliated with Bronson Methodist Hospital, Bronson Battle Creek Hospital, Bronson South Haven Hospital, Oaklawn Hospital and Bronson Lakeview Hospital.
When was this NPI record last updated?
The NPPES record for Christopher Wienczewski was last updated on September 29, 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.
# Christopher Wienczewski, MD · NPI 1871723478
Anatomic Pathology physician in Kalamazoo, Michigan. Individual provider, active in the CMS NPPES registry since July 17, 2009.
## Identity
- **NPI:** 1871723478 (Entity type: Individual)
- **Enumerated:** July 17, 2009
- **Primary specialty:** Pathology - Anatomic Pathology · taxonomy 207ZP0101X
- **State license:** 4301095144 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 601 JOHN ST, PATHOLOGY SERVICES OF KALAMAZOO, Kalamazoo, MI 49007-5341
- **Phone:** (248) 918-9775
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Diagnostic Pathology Services Of Southwest Michigan PC (NPI 1912241597, Kalamazoo, MI); Patholgy Services Of Kalamazoo, PC (NPI 1548243595, Kalamazoo, MI); Bronson Methodist Hospital (NPI 1013089820, Kalamazoo, MI); Southwest Michigan Pathology Services, PC (NPI 1467944181, Saint Joseph, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** September 29, 2021
- **Other identifiers:** Medicaid 1871723478 (MI); Other 4301095144 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1871723478) · Data from the CMS NPPES public registry.