DR. JONATHAN TYLER LAACK D.O.
NPI 1487090072
Emergency Medicine in Weston, WI
About Dr. Jonathan Tyler Laack D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JONATHAN TYLER LAACK D.O. (NPI 1487090072) is an individual emergency medicine provider in Weston, Wisconsin, licensed in Wisconsin (67074) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS and maintains a secondary practice location in Saint Joseph.
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 (PECOS)
Dr. Jonathan Tyler Laack D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Jonathan Laack reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Weston, WI 54476
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Merrill, WI 54452
- Reassigned Medicare billing, Wisconsin enrollment
- 351 clinicians in this Medicare group
Stevens Point, WI 54481
- Reassigned Medicare billing, Wisconsin enrollment
- 619 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54476 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.
WESTON, WI 54476
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 Jonathan Laack's NPI number?
The NPI number for Jonathan Laack is 1487090072. It was assigned to this individual provider in the NPPES registry on May 22, 2013.
Where is Jonathan Laack located?
Jonathan Laack practices at 3400 Ministry Pkwy, Weston, WI 54476. The listed phone number is (715) 393-3000.
What is Jonathan Laack's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Jonathan Laack enrolled in Medicare?
Yes. Jonathan Laack is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Jonathan Laack's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Laack reassigns Medicare benefits to 4 organizations: Mchs Hospitals Inc (Weston, WI), Aspirus Merrill Hospital & Clinics, Inc. (Merrill, WI), Aspirus Stevens Point Hospital & Clinics, Inc. (Stevens Point, WI) and Marshfield Clinic Inc (Marshfield, WI). 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 Jonathan Laack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jonathan Laack accept?
Health plans from Sanford Health Plan list Jonathan Laack 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 Jonathan Laack was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Jonathan Tyler Laack, D.O. · NPI 1487090072
Emergency Medicine physician in Weston, Wisconsin. Individual provider, active in the CMS NPPES registry since May 22, 2013.
## Identity
- **NPI:** 1487090072 (Entity type: Individual)
- **Enumerated:** May 22, 2013
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 67074 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 3400 MINISTRY PKWY, Weston, WI 54476-5220
- **Phone:** (715) 393-3000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Mchs Hospitals Inc (NPI 1992336655, Weston, WI); Aspirus Merrill Hospital & Clinics, Inc. (NPI 1124084678, Merrill, WI); Aspirus Stevens Point Hospital & Clinics, Inc. (NPI 1679706022, Stevens Point, WI); Marshfield Clinic Inc (NPI 1952347981, Marshfield, WI) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1487090072) · Data from the CMS NPPES public registry.