ANN M LAAKE MD
NPI 1144456187
Internal Medicine - Infectious Disease in Green Bay, WI
About Ann M Laake Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN M LAAKE MD (NPI 1144456187) is an individual infectious disease provider in Green Bay, Wisconsin, licensed in Wisconsin (86116-20) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with St Nicholas Hospital, and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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 and accepts Medicare assignment
Ann M Laake 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
3Medicare enrollment records show Ann Laake reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Green Bay, WI 54301
- Reassigned Medicare billing, Wisconsin enrollment
- 216 clinicians in this Medicare group
Green Bay, WI 54304
- Reassigned Medicare billing, Wisconsin enrollment
- 742 clinicians in this Medicare group
Sheboygan, WI 53081
- Reassigned Medicare billing, Wisconsin enrollment
- 673 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Nicholas Hospital
Acute Care Hospitals · Sheboygan, WISt Vincent Hospital
Acute Care Hospitals · Green Bay, WISt Mary's Hospital Medical Center
Acute Care Hospitals · Green Bay, WIHshs St Clare Memorial Hospital
Critical Access Hospitals · Oconto Falls, WIDoor County Medical Center
Critical Access Hospitals · Sturgeon Bay, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54303 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
GREEN BAY, WI 54303
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 Ann Laake's NPI number?
The NPI number for Ann Laake is 1144456187. It was assigned to this individual provider in the NPPES registry on June 4, 2009.
Where is Ann Laake located?
Ann Laake practices at 1860 Shawano Ave, Green Bay, WI 54303. The listed phone number is (920) 496-4700.
What is Ann Laake's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Ann Laake enrolled in Medicare?
Yes. Ann Laake 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 Ann Laake's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Laake reassigns Medicare benefits to 3 organizations: St. Clare Memorial Hospital, Inc. (Green Bay, WI), St Vincent Hospital-Hospital Sisters-Third Order Of St Francis (Green Bay, WI) and St. Nicholas Hospital-Sisters Of The Third Order Of St Francis (Sheboygan, 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 Ann Laake's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann Laake accept?
Health plans from Anthem Blue Cross and Blue Shield list Ann Laake 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 Ann Laake affiliated with any hospitals?
According to CMS data, Ann Laake is affiliated with St Nicholas Hospital, St Vincent Hospital, St Mary's Hospital Medical Center, Hshs St Clare Memorial Hospital and Door County Medical Center.
When was this NPI record last updated?
The NPPES record for Ann Laake was last updated on October 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.
# Ann M Laake, MD · NPI 1144456187
Infectious Disease physician in Green Bay, Wisconsin. Individual provider, active in the CMS NPPES registry since June 4, 2009.
## Identity
- **NPI:** 1144456187 (Entity type: Individual)
- **Enumerated:** June 4, 2009
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 86116-20 (Wisconsin)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1860 SHAWANO AVE, Green Bay, WI 54303-2667
- **Phone:** (920) 496-4700
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): St. Clare Memorial Hospital, Inc. (NPI 1093173791, Green Bay, WI); St Vincent Hospital-Hospital Sisters-Third Order Of St Francis (NPI 1285613638, Green Bay, WI); St. Nicholas Hospital-Sisters Of The Third Order Of St Francis (NPI 1275799413, Sheboygan, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** October 6, 2025
- **Other identifiers:** Medicaid 100365586 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1144456187) · Data from the CMS NPPES public registry.