DR. MAURICE WENDELL CHUNG M.D.
NPI 1124042015
Internal Medicine - Gastroenterology in Milwaukee, WI
About Dr. Maurice Wendell Chung M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MAURICE WENDELL CHUNG M.D. (NPI 1124042015) is an individual gastroenterology provider in Milwaukee, Wisconsin, licensed in Wisconsin (26944) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Ascension Columbia St Mary's Hospital Milwaukee, and is a graduate of Medical College Of Wisconsin (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Dr. Maurice Wendell Chung 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
2Medicare enrollment records show Maurice Chung reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53211
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Columbia St Marys Hospital Milwaukee Inc
- 856 clinicians in this Medicare group
Milwaukee, WI 53211
- Reassigned Medicare billing, Wisconsin enrollment
- 1,343 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 6
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension Columbia St Mary's Hospital Milwaukee
Acute Care Hospitals · Milwaukee, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53211 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.
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 Maurice Chung's NPI number?
The NPI number for Maurice Chung is 1124042015. It was assigned to this individual provider in the NPPES registry on July 26, 2006.
Where is Maurice Chung located?
Maurice Chung practices at 2311 N Prospect Ave, Milwaukee, WI 53211. The listed phone number is (414) 319-3000.
What is Maurice Chung's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Maurice Chung enrolled in Medicare?
Yes. Maurice Chung 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 Maurice Chung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maurice Chung reassigns Medicare benefits to 2 organizations: Columbia St. Mary's Hospital Milwaukee Inc (Milwaukee, WI) and Ascension Medical Group-Southeast Wisconsin Inc (Milwaukee, 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 Maurice Chung's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maurice Chung accept?
Health plans from Anthem Blue Cross and Blue Shield list Maurice Chung 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 Maurice Chung affiliated with any hospitals?
According to CMS data, Maurice Chung is affiliated with Ascension Columbia St Mary's Hospital Milwaukee.
When was this NPI record last updated?
The NPPES record for Maurice Chung was last updated on June 12, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.