Dr. Mark E. Mailliard, MD

  • Omaha, NE
  • Gastroenterologist
NPI1699725036
Medicare services, 2022
257
Part D claims, 2021
45
Publications
4
Clinical trials
4
State license
1
Practice address
8303 Dodge St, Omaha, NE 68114
Practice phone
Call (402) 354-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Methodist Hospital

Omaha, Nebraska

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Dr. Mark E. Mailliard is a gastroenterologist in Omaha, Nebraska

Dr. Mailliard practices at Methodist Hospital in Omaha, Nebraska.

Dr. Mailliard's NPI, 1699725036, was assigned on May 10, 2006. Dr. Mailliard graduated from University of Nebraska College of Medicine in 1980. Dr. Mailliard holds Nebraska license 15950.

NPI and contact details
NPI enumeration date
May 10, 2006
NPI status
Active
Practice phone
(402) 354-4000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
72
Medical school graduation
1980

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Mark E. Mailliard practices at Methodist Hospital in Omaha, Nebraska

Dr. Mailliard's primary practice is Methodist Hospital, at 8303 Dodge St, Omaha, NE 68114 in Douglas County. The practice phone is (402) 354-4000.

  • Methodist Hospital
    8303 Dodge St, Omaha, NE 68114 · Douglas CountyPhone(402) 354-4000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Mark E. Mailliard is affiliated with 1 site of care

Dr. Mailliard's primary practice is Methodist Hospital in Omaha, Nebraska.

Methodist HospitalOmaha, NebraskaPrimary

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Mark E. Mailliard's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mailliard practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Methodist HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mark E. Mailliard is one of 78 gastroenterologists in Nebraska

Gastroenterology is Dr. Mailliard's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Mailliard is licensed in Nebraska.

Specialties and state licenses

  • Gastroenterology, NebraskaPrimaryLicense 15950 · taxonomy 207RG0100X

Gastroenterologists near Dr. Mailliard

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. Mark E. Mailliard billed Medicare for 257 services in 2022

CMS data shows 257 Medicare services from Dr. Mailliard across 11 procedure codes in 2022. Medicare paid $21,331 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2022257
Paid by Medicare$21,331
Procedure codes11

Dr. Mailliard's Medicare services by type, 2021 to 2022

  • 2021
  • 2022
Office and hospital visits
2021: 2122022: 17219%
Surgery
2021: 682022: 8525%

Dr. Mailliard compared with the Nebraska median for gastroenterologists, 2022

  • Dr. Mailliard
  • Nebraska median
Medicare services
257vs 90272% below
Part D claims
45vs 43890% below

Medians across 80 gastroenterologists in Nebraska with Dmand AI profiles that report each measure.

Dr. Mailliard's most billed Medicare procedure codes, 2022

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Mailliard

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Mark E. Mailliard's patients have a median age of 63

Across all payers, Dmand AI patient panel data puts Dr. Mailliard's median patient age at 63, with 0% women.

Dr. Mailliard's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women0%
  • Men100%

Source: Dmand AI Patient Panel Data

Dr. Mark E. Mailliard wrote 45 Medicare Part D claims in 2021

In 2021, Dr. Mailliard wrote 45 Medicare Part D claims. They cover 3 drugs, with $9,203 in total drug cost. In 2020, CMS named 192 claims across 11 drugs.

Part D claims, 202145
Drugs named by CMS3
Total drug cost$9,203

Dr. Mailliard's most prescribed drugs by claims, 2021

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, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 1922021: 4577%

Drugs named by CMS: 3 in 2021, 11 in 2020.

See all prescribing by Dr. Mailliard

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Mark E. Mailliard has 4 publications on record

Dmand AI links 4 papers to Dr. Mailliard, published from 2016 to 2023. Dr. Mailliard's most frequent co-authors are Adrian M. Di Bisceglie, MD, Derrick D. Eichele, MD and David R. Nelson, MD.

Papers4
Years published2016 to 2023

Dr. Mailliard's papers by year, 2016 to 2023

Dr. Mailliard's most frequent co-authors

Recent publications by Dr. Mailliard

See all 4 publications and co-authors

See who Dr. Mailliard researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mailliard works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Mark E. Mailliard has worked on 4 clinical trials

Dmand AI links Dr. Mailliard to 4 clinical trials, 2 of them phase 4 studies. Conditions studied include Hepatitis C, Chronic, Hepatitis, Chronic and Hepatitis C. University of Nebraska sponsors the most, 2.

Conditions in Dr. Mailliard's trials

  • Hepatitis C, Chronic
  • Hepatitis, Chronic
  • Hepatitis C
  • Flaviviridae Infections

Investigators on the most trials with Dr. Mailliard

Recent clinical trials with Dr. Mailliard

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Mark E. Mailliard graduated from University of Nebraska College of Medicine

Dr. Mailliard graduated from University of Nebraska College of Medicine in 1980.

  1. Medical schoolUniversity of Nebraska College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Mark E. Mailliard's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Mark E. Mailliard

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. Mark E. Mailliard's NPI number?

Dr. Mark E. Mailliard's NPI number is 1699725036. It was assigned on May 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Mark E. Mailliard?

Dr. Mark E. Mailliard is a gastroenterologist in Omaha, Nebraska. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Mark E. Mailliard practice?

Dr. Mailliard practices at 8303 Dodge St, Omaha, NE 68114. Dr. Mailliard's primary practice is Methodist Hospital in Omaha, Nebraska.

What is Dr. Mark E. Mailliard's office phone number?

The practice phone on file for Dr. Mailliard is (402) 354-4000.

What is Dr. Mark E. Mailliard's medical license number?

Dr. Mailliard holds Nebraska license 15950.

Does Dr. Mark E. Mailliard accept Medicare?

Yes. CMS data shows Dr. Mailliard billed Medicare for 257 services in 2022.

What services does Dr. Mark E. Mailliard bill to Medicare?

In 2022, Dr. Mailliard's most billed Medicare services were hospital inpatient care (99222), hospital inpatient care (99221) and surgery: digestive system (43239).

Where did Dr. Mark E. Mailliard go to medical school?

Dr. Mailliard graduated from University of Nebraska College of Medicine in 1980.

What drugs does Dr. Mark E. Mailliard prescribe most?

In 2021 Medicare Part D data, Dr. Mailliard's most prescribed drugs by claims were Ursodiol, Pantoprazole Sodium and Mesalamine DR.

How long has Dr. Mark E. Mailliard been practicing?

Dr. Mailliard graduated from medical school in 1980, 46 years ago.

Does Dr. Mark E. Mailliard do research?

Dmand AI links 4 publications to Dr. Mailliard, published from 2016 to 2023. Dr. Mailliard has worked on 4 clinical trials.

Who does Dr. Mark E. Mailliard publish with?

Dr. Mailliard's most frequent co-authors are Adrian M. Di Bisceglie, MD (1 shared paper), Derrick D. Eichele, MD (1 shared paper) and David R. Nelson, MD (1 shared paper).

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