Dr. Maurice Wendell Chung, MD
- Medicare services, 2024
- 183
- Medicare patients, 2024
- 194
- Part D claims, 2024
- 1,842
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 2323 N Lake Dr, Milwaukee, WI 53211
- Practice phone
- Call (414) 585-1374
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Chung's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Maurice Wendell Chung is a gastroenterologist in Milwaukee, Wisconsin
Dr. Chung practices at Ascension Columbia St. Mary's Hospital - Milwaukee Campus in Milwaukee, Wisconsin, part of Ascension Health Alliance.
Dr. Chung's NPI, 1124042015, was assigned on July 26, 2006. Dr. Chung graduated from Medical College Of Wisconsin in 1984. Dr. Chung's Wisconsin license number on file is 26944.
- NPI
- 1124042015NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385636810
- NPI enumeration date
- July 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (414) 585-1374
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maurice Wendell Chung practices at Ascension Columbia St. Mary's Hospital - Milwaukee Campus in Milwaukee, Wisconsin
Dr. Chung's primary practice is Ascension Columbia St. Mary's Hospital - Milwaukee Campus, at 2323 N Lake Dr, Milwaukee, WI 53211 in Milwaukee County. The practice phone is (414) 585-1374.
- Ascension Columbia St. Mary's Hospital - Milwaukee Campus2323 N Lake Dr, Milwaukee, WI 53211 · Milwaukee CountyPhone(414) 585-1374
Source: Dmand AI Affiliation Data
Dr. Maurice Wendell Chung is affiliated with 7 sites of care and 3 medical groups
Dr. Chung's primary practice is Ascension Columbia St. Mary's Hospital - Milwaukee Campus in Milwaukee, Wisconsin, part of Ascension Health Alliance. The medical group on file is Ascension Medical Group. Dmand AI also links Dr. Chung to 3 more group practices and clinics, 2 medical groups, 1 behavioral health center, 1 clinical lab and 1 physician office, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Maurice Wendell Chung's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chung practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension Columbia St. Mary's Hospital - Milwaukee Campus | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Maurice Wendell Chung is one of 277 gastroenterologists in Wisconsin
Gastroenterology is Dr. Chung's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Chung is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Chung has a license on file in Wisconsin.
Specialties and state licenses
- Gastroenterology, WisconsinPrimary
Clinical focus
Dmand AI lists acid reflux, chronic inflammatory bowel disease (IBD), colonoscopy, gastrointestinal bleeding, intestinal diverticulosis, irritable bowel syndrome (IBS) and upper GI endoscopy among the conditions Dr. Chung treats.
Gastroenterologists near Dr. Chung
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Maurice Wendell Chung billed Medicare for 183 services in 2024
CMS data shows 183 Medicare services from Dr. Chung across 5 procedure codes in 2024, for 194 Medicare patients. Medicare paid $18,679 for them.
Dr. Chung's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1632024: 11033%
- Surgery
- 2023: 992024: 7326%
- Other services
- 2023: 252024: 0100%
Where Dr. Chung's Medicare services took place, 2024
- In an office11060%
- In a facility7340%
Dr. Chung compared with the Wisconsin median for gastroenterologists, 2024
- Dr. Chung
- Wisconsin median
- Medicare services
- 183vs 32944% below
- Medicare patients
- 194vs 25825% below
- Part D claims
- 1,654vs 4293.9 times
Medians across 278 gastroenterologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Chung's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Chung?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chung and other gastroenterologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Maurice Wendell Chung treated 194 Medicare patients in 2024, average age 72
CMS counts 194 Medicare patients who saw Dr. Chung in 2024. The largest group is 65 to 74, with 97 patients. 73% of them have high cholesterol, and 71% have high blood pressure. 25% are also on Medicaid. Their average risk score is 1.37, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chung's median patient age at 66, with 62% women.
Dr. Chung's Medicare patients by age, 2024
Dr. Chung's Medicare patients by sex, 2024
- Women11660%
- Men7840%
Chronic conditions among Dr. Chung's Medicare patients, 2024
- High cholesterol73%
- High blood pressure71%
- Arthritis47%
- Mood disorders31%
- Diabetes30%
- Depression28%
- Ischemic heart disease28%
- Anxiety27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chung's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Maurice Wendell Chung wrote 1,842 Medicare Part D claims in 2024
In 2024, Dr. Chung wrote 1,842 Medicare Part D claims for 637 patients. 76% of them were for generic drugs. CMS names the drug for 1,654 of them, across 19 drugs with 11 or more claims each, at $137,325 in total drug cost. In 2023, CMS named 1,676 claims across 21 drugs.
Dr. Chung's Part D claims by kind of drug, 2024
- Generic1,399 claims76%
- Brand-name443 claims24%
Dr. Chung's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Chung's Part D claims, 2024
- Antibiotics1%12 of 1,842 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,6762024: 1,6541%
Drugs named by CMS: 19 in 2024, 21 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Maurice Wendell Chung ranks in the 64th percentile for colonoscopy in Medicare
Dr. Chung accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 50 procedures of colonoscopy by Dr. Chung, more than 64% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Chung ranks in Medicare procedure volume
- Colonoscopy
- 64th percentile50 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 59th percentile37 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Maurice Wendell Chung has 1 publication on record
Dmand AI links 1 paper to Dr. Chung.
Recent publications by Dr. Chung
See who Dr. Chung researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chung works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Maurice Wendell Chung received $1,432 in industry payments from 2016 to 2025
CMS Open Payments shows 53 general payments to Dr. Chung from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 62% of the total. Boston Scientific Corporation paid the most, $649.
General payments to Dr. Chung by program year, 2016 to 2025
General payments to Dr. Chung by kind, 2016 to 2025
- Food and beverage$89362%
- Travel and lodging$53938%
Companies that paid Dr. Chung the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Maurice Wendell Chung has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Chung, most recently Checkbook Top Doc in 2012.
Awards and honors for Dr. Chung
- 2012
- Checkbook Top Doc
- Undated
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Maurice Wendell Chung graduated from Medical College Of Wisconsin
Dr. Chung graduated from Medical College Of Wisconsin in 1984.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Maurice Wendell Chung accepts plans from 12 insurance carriers
Dr. Chung is in network with 12 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- +4 more carriersWith a free account
Plan types Dr. Chung accepts, by number of carriers
- Medicare9
- PPO8
- HMO5
- POS4
- Medicaid3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Maurice Wendell Chung's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Maurice Wendell Chung
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Maurice Wendell Chung's NPI number?
Dr. Maurice Wendell Chung's NPI number is 1124042015. It was assigned on July 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Maurice Wendell Chung?
Dr. Maurice Wendell Chung is a gastroenterologist in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Maurice Wendell Chung practice?
Dr. Chung practices at 2323 N Lake Dr, Milwaukee, WI 53211. Dr. Chung's primary practice is Ascension Columbia St. Mary's Hospital - Milwaukee Campus in Milwaukee, Wisconsin, part of Ascension Health Alliance. Dmand AI also links Dr. Chung to 3 group practices and clinics, 2 medical groups, 1 behavioral health center, 1 clinical lab and 1 physician office.
What is Dr. Maurice Wendell Chung's office phone number?
The practice phone on file for Dr. Chung is (414) 585-1374.
What is Dr. Maurice Wendell Chung's medical license number?
Dr. Chung's Wisconsin license number on file is 26944.
Which hospitals is Dr. Maurice Wendell Chung affiliated with?
Dr. Chung practices at Ascension Columbia St. Mary's Hospital - Milwaukee Campus in Milwaukee, Wisconsin.
What medical group is Dr. Maurice Wendell Chung part of?
Dr. Chung is linked to Ascension Medical Group. Dmand AI links Dr. Chung to 2 more medical groups.
Does Dr. Maurice Wendell Chung accept Medicare?
Yes. CMS data shows Dr. Chung billed Medicare for 183 services in 2024, and Dr. Chung accepts Medicare assignment.
How many Medicare patients does Dr. Maurice Wendell Chung see?
CMS counts 194 Medicare patients who saw Dr. Chung in 2024, with an average age of 72.
Is Dr. Maurice Wendell Chung board certified?
Yes. Dr. Chung is board certified in gastroenterology by the American Board of Internal Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. Maurice Wendell Chung bill to Medicare?
In 2024, Dr. Chung's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (45385) and hospital inpatient care (99232).
Where did Dr. Maurice Wendell Chung go to medical school?
Dr. Chung graduated from Medical College Of Wisconsin in 1984.
What drugs does Dr. Maurice Wendell Chung prescribe most?
In 2024 Medicare Part D data, Dr. Chung's most prescribed drugs by claims were Peg 3350-Electrolyte, Pantoprazole Sodium and Esomeprazole Magnesium.
Has Dr. Maurice Wendell Chung received payments from drug or device companies?
CMS Open Payments shows $1,432 in general payments to Dr. Chung from 7 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Maurice Wendell Chung been practicing?
Dr. Chung graduated from medical school in 1984, 42 years ago.
Does Dr. Maurice Wendell Chung do research?
Dmand AI links 1 publication to Dr. Chung.
What insurance does Dr. Maurice Wendell Chung accept?
Dr. Chung is in network with 12 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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