LAWRENCE KOSZEWSKI PHD
NPI 1275679680
Psychologist in Milwaukee, WI
About Lawrence Koszewski Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAWRENCE KOSZEWSKI PHD (NPI 1275679680) is an individual psychologist in Milwaukee, Wisconsin, licensed in Wisconsin (1522-057) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1989).
NPPES Registry Identity
Specialties & Licenses 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
Lawrence Koszewski Phd 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 Lawrence Koszewski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Menomonee Falls, WI 53051
- Reassigned Medicare billing, Wisconsin enrollment
- 2,294 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
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.
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.
MILWAUKEE, WI 53226
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 Lawrence Koszewski's NPI number?
The NPI number for Lawrence Koszewski is 1275679680. It was assigned to this individual provider in the NPPES registry on January 30, 2007.
Where is Lawrence Koszewski located?
Lawrence Koszewski practices at 9455 W Watertown Plank Rd, Milwaukee, WI 53226. The listed phone number is (414) 257-6995.
What is Lawrence Koszewski's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Lawrence Koszewski enrolled in Medicare?
Yes. Lawrence Koszewski 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 Lawrence Koszewski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lawrence Koszewski reassigns Medicare benefits to Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI). 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 Lawrence Koszewski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lawrence Koszewski accept?
Health plans from Anthem Blue Cross and Blue Shield, HealthPartners and Network Health list Lawrence Koszewski 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.
When was this NPI record last updated?
The NPPES record for Lawrence Koszewski was last updated on September 30, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Lawrence Koszewski, PHD · NPI 1275679680
Psychologist provider in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since January 30, 2007.
## Identity
- **NPI:** 1275679680 (Entity type: Individual)
- **Enumerated:** January 30, 2007
- **Primary specialty:** Psychologist · taxonomy 103T00000X
- **State license:** 1522-057 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 9455 W WATERTOWN PLANK RD, Milwaukee, WI 53226-3559
- **Phone:** (414) 257-6995
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (NPI 1568787448, Menomonee Falls, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1989
## Record status
- **NPPES last updated:** September 30, 2008
---
Source: [NPI Profile](https://npiprofile.com/npi/1275679680) · Data from the CMS NPPES public registry.