J Pediatr Gastroenterol Nutr
Dr. Alan N. Langnas, DO
- Medicare services, 2024
- 397
- Medicare patients, 2024
- 75
- Part D claims, 2024
- 14
- Publications
- 55
- Clinical trials
- 1
- Practice address
- 988102 Nebrasks Medical Center, Omaha, NE 68198
- Practice phone
- Call (402) 559-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Langnas' 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. Alan N. Langnas is a general surgeon in Omaha, Nebraska
Dr. Langnas practices at Nebraska Medical Center in Omaha, Nebraska, part of University of Nebraska System.
Dr. Langnas' NPI, 1831148899, was assigned on May 8, 2006. Dr. Langnas graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 1982. Dr. Langnas holds Nebraska license 72.
- NPI
- 1831148899NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173580628
- NPI enumeration date
- May 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (402) 559-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alan N. Langnas practices at 2 locations in Omaha, Nebraska
Dr. Langnas' primary practice is Nebraska Medical Center, at 988102 Nebrasks Medical Center, Omaha, NE 68198 in Douglas County. The practice phone is (402) 559-4000. Dr. Langnas also practices at Nebraska Medical Center, 987400 Nebraska Medical Ctr, Omaha, NE 68198.
- Nebraska Medical CenterPrimary988102 Nebrasks Medical Center, Omaha, NE 68198 · Douglas CountyPhone(402) 559-4000
- Nebraska Medical Center987400 Nebraska Medical Ctr, Omaha, NE 68198 · Douglas CountyPhone(402) 552-2040
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Alan N. Langnas is affiliated with 2 sites of care and 1 medical group
Dr. Langnas' primary practice is Nebraska Medical Center in Omaha, Nebraska, part of University of Nebraska System. Dr. Langnas is also affiliated with Bellevue Medical Center. The medical group on file is UNMC Physicians.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alan N. Langnas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Langnas practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nebraska Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alan N. Langnas is one of 193 general surgeons in Nebraska
Surgery is Dr. Langnas' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Langnas is licensed in Nebraska.
Specialties and state licenses
- Surgery, NebraskaPrimary
General surgeons near Dr. Langnas
Counts of general surgeons 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. Alan N. Langnas billed Medicare for 397 services in 2024
CMS data shows 397 Medicare services from Dr. Langnas across 3 procedure codes in 2024, for 75 Medicare patients. Medicare paid $22,495 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Langnas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3422024: 39716%
Dr. Langnas compared with the Nebraska median for general surgeons, 2024
- Dr. Langnas
- Nebraska median
- Medicare services
- 397vs 23867% above
- Medicare patients
- 75vs 17056% below
- Part D claims
- 12vs 3060% below
Medians across 178 general surgeons in Nebraska with Dmand AI profiles that report each measure.
Dr. Langnas' 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. Langnas?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Langnas and other general surgeons in Nebraska.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alan N. Langnas treated 75 Medicare patients in 2024, average age 61
CMS counts 75 Medicare patients who saw Dr. Langnas in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have high blood pressure, and 71% have chronic kidney disease. 32% are also on Medicaid. Their average risk score is 3.25, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Langnas' median patient age at 60, with 50% women.
Dr. Langnas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Langnas' Medicare patients by sex, 2024
- Women3243%
- Men4357%
Chronic conditions among Dr. Langnas' Medicare patients, 2024
- High blood pressure75%
- Chronic kidney disease71%
- High cholesterol65%
- Diabetes59%
- Mood disorders53%
- Depression52%
- Arthritis47%
- Anxiety44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Langnas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alan N. Langnas wrote 14 Medicare Part D claims in 2024
In 2024, Dr. Langnas wrote 14 Medicare Part D claims. Every claim was for a generic drug. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $4,566 in total drug cost. In 2016, CMS named 14 claims across 1 drug.
Dr. Langnas' most prescribed drugs by claims, 2023
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, 2016 to 2023
- 2016
- 2023
- Claims for drugs CMS names
- 2016: 142023: 1214%
Drugs named by CMS: 1 in 2023, 1 in 2016.
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
How Dr. Alan N. Langnas takes part in Medicare
Dr. Langnas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Alan N. Langnas has 55 publications on record
Dmand AI links 55 papers to Dr. Langnas, published from 2011 to 2025. 2018 was the busiest year, with 5. The most frequent topics are Liver Transplantation, Intestines and Organ Transplantation. Dr. Langnas has published most often in Pediatr Transplant. Dr. Langnas' most frequent co-authors are David F. Mercer, MD, Wendy J. Grant, MD and Shaheed Merani, FRCSC, MD, PhD.
Dr. Langnas' papers by year, 2014 to 2025
Topics Dr. Langnas writes about most
- Liver Transplantation
- Intestines
- Organ Transplantation
- Postoperative Complications
- Immunosuppressive Agents
- Short Bowel Syndrome
- Intestine, Small
- Parenteral Nutrition
Dr. Langnas' most frequent co-authors
- David F. Mercer, MD30 shared papers
- Wendy J. Grant, MD28 shared papers
- Shaheed Merani, FRCSC, MD, PhD13 shared papers
Recent publications by Dr. Langnas
See who Dr. Langnas researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Langnas works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alan N. Langnas has worked on 1 clinical trial
Dmand AI links Dr. Langnas to 1 clinical trial. Conditions studied include Carcinoma, Hepatocellular and Liver Neoplasms.
Conditions in Dr. Langnas' trials
- Carcinoma, Hepatocellular
- Liver Neoplasms
Investigators on the most trials with Dr. Langnas
- Michael Abecassis, MD1 shared trial
- Ronald W. Busuttil, MD1 shared trial
- Ian C. Carmody, MD1 shared trial
Recent clinical trials with Dr. Langnas
Sorafenib Tosylate Following a Liver Transplant in Treating Patients With Liver Cancer (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Alan N. Langnas received $14 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Langnas from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. OrganOx Ltd paid the most, $14.
Companies that paid Dr. Langnas the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alan N. Langnas graduated from Kansas City University of Med & Biosciences, College of Osteo Med
Dr. Langnas graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alan N. Langnas'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 Affiliation DataDmand AI Practice 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) |
| 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) |
| 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. Alan N. Langnas
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. Alan N. Langnas' NPI number?
Dr. Alan N. Langnas' NPI number is 1831148899. It was assigned on May 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Alan N. Langnas?
Dr. Alan N. Langnas is a general surgeon in Omaha, Nebraska. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Alan N. Langnas practice?
Dr. Langnas practices at 988102 Nebrasks Medical Center, Omaha, NE 68198. Dr. Langnas also practices at 987400 Nebraska Medical Ctr, Omaha, NE 68198. Dr. Langnas' primary practice is Nebraska Medical Center in Omaha, Nebraska, part of University of Nebraska System.
What is Dr. Alan N. Langnas' office phone number?
The practice phone on file for Dr. Langnas is (402) 559-4000.
What is Dr. Alan N. Langnas' medical license number?
Dr. Langnas holds Nebraska license 72.
Which hospitals is Dr. Alan N. Langnas affiliated with?
Dr. Langnas practices at Nebraska Medical Center in Omaha, Nebraska. Dr. Langnas is also affiliated with Bellevue Medical Center.
What medical group is Dr. Alan N. Langnas part of?
Dr. Langnas is linked to UNMC Physicians.
Does Dr. Alan N. Langnas accept Medicare?
Yes. CMS data shows Dr. Langnas billed Medicare for 397 services in 2024, and Dr. Langnas accepts Medicare assignment.
How many Medicare patients does Dr. Alan N. Langnas see?
CMS counts 75 Medicare patients who saw Dr. Langnas in 2024, with an average age of 61.
What services does Dr. Alan N. Langnas bill to Medicare?
In 2024, Dr. Langnas' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99238) and hospital inpatient care (99221).
Show 6 more questionsShow fewer questions
Where did Dr. Alan N. Langnas go to medical school?
Dr. Langnas graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 1982.
What drugs does Dr. Alan N. Langnas prescribe most?
In 2023 Medicare Part D data, Dr. Langnas' most prescribed drugs by claims were Tacrolimus.
Has Dr. Alan N. Langnas received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Dr. Langnas from 1 company from 2025 to 2025. The largest total came from OrganOx Ltd.
How long has Dr. Alan N. Langnas been practicing?
Dr. Langnas graduated from medical school in 1982, 44 years ago.
Does Dr. Alan N. Langnas do research?
Dmand AI links 55 publications to Dr. Langnas, published from 2011 to 2025. Dr. Langnas has worked on 1 clinical trial.
Who does Dr. Alan N. Langnas publish with?
Dr. Langnas' most frequent co-authors are David F. Mercer, MD (30 shared papers), Wendy J. Grant, MD (28 shared papers) and Shaheed Merani, FRCSC, MD, PhD (13 shared papers).
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