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Dr. Willis Crocker Maddrey, MD
NPI1528037009
- Part D claims, 2019
- 25
- Publications
- 120
- Clinical trials
- 2
- Industry payments
- $834,598
- State licenses
- 3
- Practice address
- 5323 Harry Hines Blvd, Dallas, TX 75390-7208
- Practice phone
- Call (214) 645-0624
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Maddrey'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. Willis Crocker Maddrey is a hepatology physician in Dallas, Texas
Dr. Maddrey practices in Dallas, Texas.
Dr. Maddrey's NPI, 1528037009, was assigned on March 16, 2006. Dr. Maddrey graduated from The Johns Hopkins University School of Medicine in 1964. Dr. Maddrey's Texas license number on file is H9737.
NPI and contact details
- NPI
- 1528037009NPI Registry (opens in a new tab)
- NPI enumeration date
- March 16, 2006
- NPI status
- Active
- Practice phone
- (214) 645-0624
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1964
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Willis Crocker Maddrey's practice address is in Dallas, Texas
Dr. Maddrey's practice address in the NPI Registry is 5323 Harry Hines Blvd, Dallas, TX 75390-7208. The practice phone is (214) 645-0624.
- NPI Registry address5323 Harry Hines Blvd, Dallas, TX 75390-7208Phone(214) 645-0624
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Willis Crocker Maddrey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maddrey practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Maddrey's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Willis Crocker Maddrey is one of 21 hepatology physicians in Texas
Hepatology is Dr. Maddrey's primary specialty in the NPI Registry, under taxonomy code 207RI0008X. Dr. Maddrey is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Maddrey's licenses on file in 3 states: Texas, Pennsylvania and Maryland.
Specialties and state licenses
- Hepatology, TexasPrimary
- Pennsylvania license
- Maryland license
Hepatology physicians near Dr. Maddrey
Counts of hepatology physicians 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. Willis Crocker Maddrey's patients have a median age of 51
Across all payers, Dmand AI patient panel data puts Dr. Maddrey's median patient age at 51, with 0% women.
Dr. Maddrey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Willis Crocker Maddrey wrote 25 Medicare Part D claims in 2019
In 2019, Dr. Maddrey wrote 25 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $10,461 in total drug cost. In 2018, CMS named 15 claims across 1 drug.
Part D claims, 201925
Drugs named by CMS1
Total drug cost$10,461
Dr. Maddrey's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 152019: 2567%
Drugs named by CMS: 1 in 2019, 1 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Willis Crocker Maddrey has 120 publications on record
Dmand AI links 120 papers to Dr. Maddrey, published from 2010 to 2022. 2010 was the busiest year, with 2. The most frequent topics are Liver, Liver Transplantation and Liver Cirrhosis. Dr. Maddrey has published most often in Hepatology. Dr. Maddrey's most frequent co-authors are John L. Cameron, MD, Mack C. Mitchell, MD and Timothy R. Morgan, MD.
Papers120
Years published2010 to 2022
Dr. Maddrey's papers by year, 2010 to 2022
Topics Dr. Maddrey writes about most
- Liver
- Liver Transplantation
- Liver Cirrhosis
- Hepatic Encephalopathy
- Chemical and Drug Induced Liver Injury
- Double-Blind Method
- Liver Cirrhosis, Biliary
- Liver Diseases
Dr. Maddrey's most frequent co-authors
- John L. Cameron, MD9 shared papers
- Mack C. Mitchell, MD3 shared papers
- Timothy R. Morgan, MD3 shared papers
Recent publications by Dr. Maddrey
See who Dr. Maddrey researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Maddrey works with, so you can find a warm path to the right hepatology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Willis Crocker Maddrey has worked on 2 clinical trials
Dmand AI links Dr. Maddrey to 2 clinical trials. Conditions studied include Liver Cirrhosis and Non-alcoholic Fatty Liver Disease. Bristol-Myers Squibb sponsors the most, 2. Open Payments lists research payments to Dr. Maddrey that name 2 trials.
Conditions in Dr. Maddrey's trials
- Liver Cirrhosis
- Non-alcoholic Fatty Liver Disease
Investigators on the most trials with Dr. Maddrey
- Michael R. Mcclung, MD2 shared trials
- Abdullah Mubarak, MD2 shared trials
- Nadege Tacha Gunn, MD1 shared trial
Recent clinical trials with Dr. Maddrey
$9,763 in research paymentsLiver CirrhosisNon-alcoholic Fatty Liver DiseaseBMS-986036
$7,763 in research paymentsLiver CirrhosisNon-alcoholic Fatty Liver DiseaseBMS-986036
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Willis Crocker Maddrey received $834,598 in industry payments from 2016 to 2024
CMS Open Payments shows 279 general payments to Dr. Maddrey from 24 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 95% of the total. Actelion Pharmaceuticals, Ltd paid the most, $403,111. It also lists 18 research payments totaling $57,015 from 2016 to 2021, naming 2 clinical trials.
General payments to Dr. Maddrey by program year, 2016 to 2024
General payments to Dr. Maddrey by kind, 2016 to 2024
$834.6Kin total
- Consulting fees$791,57495%
- Travel and lodging$38,7725%
- Honoraria$2,2750%
- Food and beverage$1,9270%
- Education$500%
Companies that paid Dr. Maddrey the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Willis Crocker Maddrey has 15 awards and honors on record
Dmand AI lists 15 awards for Dr. Maddrey, most recently Super Doc in 2012.
Awards and honors for Dr. Maddrey
- 2012
- Super Doc
- 2009
- Distinguished Alumnus Award
- 2006
- CMS Stage 1 EHR
- 2000
- Distinguished Service Award
- 1998
- Adelyn and Edmund M. Hoffman Distinguished Chair in Medical Science
- Distinguished Educator Award
Source: Dmand AI Professional Profile Data
Dr. Willis Crocker Maddrey graduated from The Johns Hopkins University School of Medicine
Dr. Maddrey graduated from The Johns Hopkins University School of Medicine in 1964. Dr. Maddrey is a member of AGA.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Willis Crocker Maddrey'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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 |
| 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. Willis Crocker Maddrey
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. Willis Crocker Maddrey's NPI number?
Dr. Willis Crocker Maddrey's NPI number is 1528037009. It was assigned on March 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Willis Crocker Maddrey?
Dr. Willis Crocker Maddrey is a hepatology physician in Dallas, Texas. The primary specialty in the NPI Registry is Hepatology Physician (taxonomy code 207RI0008X).
Where does Dr. Willis Crocker Maddrey practice?
Dr. Maddrey practices at 5323 Harry Hines Blvd, Dallas, TX 75390-7208.
What is Dr. Willis Crocker Maddrey's office phone number?
The practice phone on file for Dr. Maddrey is (214) 645-0624.
What is Dr. Willis Crocker Maddrey's medical license number?
Dr. Maddrey's Texas license number on file is H9737, one of the licenses on file in 3 states.
Which states has Dr. Willis Crocker Maddrey been licensed in?
Dmand AI has state licenses on file for Dr. Maddrey in Texas (1991 to 2025), Pennsylvania (1982 to 2006) and Maryland (1970 to 1991).
Is Dr. Willis Crocker Maddrey board certified?
Yes. Dr. Maddrey is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Willis Crocker Maddrey go to medical school?
Dr. Maddrey graduated from The Johns Hopkins University School of Medicine in 1964.
What drugs does Dr. Willis Crocker Maddrey prescribe most?
In 2019 Medicare Part D data, Dr. Maddrey's most prescribed drugs by claims were Ursodiol.
Has Dr. Willis Crocker Maddrey received payments from drug or device companies?
CMS Open Payments shows $834,598 in general payments to Dr. Maddrey from 24 companies from 2016 to 2024. The largest total came from Actelion Pharmaceuticals, Ltd.
Show 3 more questionsShow fewer questions
How long has Dr. Willis Crocker Maddrey been practicing?
Dr. Maddrey graduated from medical school in 1964, 62 years ago.
Does Dr. Willis Crocker Maddrey do research?
Dmand AI links 120 publications to Dr. Maddrey, published from 2010 to 2022. Dr. Maddrey has worked on 2 clinical trials.
Who does Dr. Willis Crocker Maddrey publish with?
Dr. Maddrey's most frequent co-authors are John L. Cameron, MD (9 shared papers), Mack C. Mitchell, MD (3 shared papers) and Timothy R. Morgan, MD (3 shared papers).
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