KHENG JOE LAU M.D.
NPI 1144673856
Internal Medicine - Endocrinology, Diabetes & Metabolism in Flossmoor, IL
About Kheng Joe Lau M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KHENG JOE LAU M.D. (NPI 1144673856) is an individual endocrinology, diabetes & metabolism provider in Flossmoor, Illinois, licensed in Illinois (036181509) and active in the NPI registry since July 2016. He is enrolled in Medicare PECOS, is affiliated with Allina United Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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
Kheng Joe Lau M.d. 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 Kheng Joe Lau reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Spring Valley, WI 54767
- Reassigned Medicare billing, Wisconsin enrollment
- 211 clinicians in this Medicare group
Baldwin, WI 54002
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Hudson Physicians Sc
- 74 clinicians in this Medicare group
Saint Croix Falls, WI 54024
- Reassigned Medicare billing, Wisconsin enrollment
- 453 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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Allina United Hospital
Acute Care Hospitals · Saint Paul, MNLadd Memorial Hospital
Critical Access Hospitals · Osceola, WIHudson Hospital
Critical Access Hospitals · Hudson, WISt Croix Regional Medical Center
Critical Access Hospitals · Saint Croix Falls, WIWestern Wisconsin Health
Critical Access Hospitals · Baldwin, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60422 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
FLOSSMOOR, IL 60422
FLOSSMOOR, IL 60422
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 Kheng Joe Lau's NPI number?
The NPI number for Kheng Joe Lau is 1144673856. It was assigned to this individual provider in the NPPES registry on July 18, 2016.
Where is Kheng Joe Lau located?
Kheng Joe Lau practices at 19550 Governors Hwy, Flossmoor, IL 60422. The listed phone number is (888) 824-0200.
What is Kheng Joe Lau's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Kheng Joe Lau enrolled in Medicare?
Yes. Kheng Joe Lau 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 Kheng Joe Lau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kheng Joe Lau reassigns Medicare benefits to 3 organizations: Baldwin Area Medical Center Inc. (Spring Valley, WI), Hudson Physicians, S.C (Baldwin, WI) and St. Croix Regional Medical Center (Saint Croix Falls, 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 Kheng Joe Lau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kheng Joe Lau accept?
Health plans from Anthem Blue Cross and Blue Shield, HealthPartners and Security Health Plan list Kheng Joe Lau 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 Kheng Joe Lau affiliated with any hospitals?
According to CMS data, Kheng Joe Lau is affiliated with Allina United Hospital, Ladd Memorial Hospital, Hudson Hospital, St Croix Regional Medical Center and Western Wisconsin Health.
When was this NPI record last updated?
The NPPES record for Kheng Joe Lau was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.
# Kheng Joe Lau, M.D. · NPI 1144673856
Endocrinology, Diabetes & Metabolism physician in Flossmoor, Illinois. Individual provider, active in the CMS NPPES registry since July 18, 2016.
## Identity
- **NPI:** 1144673856 (Entity type: Individual)
- **Enumerated:** July 18, 2016
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** 036181509 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 19550 GOVERNORS HWY, Flossmoor, IL 60422-2125
- **Phone:** (888) 824-0200
## 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): Baldwin Area Medical Center Inc. (NPI 1164272324, Spring Valley, WI); Hudson Physicians, S.C (NPI 1093238347, Baldwin, WI); St. Croix Regional Medical Center (NPI 1043240922, Saint Croix Falls, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** October 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1144673856) · Data from the CMS NPPES public registry.