Dr. Alan N. Langnas, DO

  • Omaha, NE
  • General surgeon
NPI1831148899PAC ID3173580628
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Nebraska Medical Center

Hospital · Omaha, Nebraska

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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 and contact details
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 CenterPrimary
    988102 Nebrasks Medical Center, Omaha, NE 68198 · Douglas CountyPhone(402) 559-4000
  • Nebraska Medical Center
    987400 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.

EHR by site
SiteEHR vendor and product
Nebraska Medical CenterAvailable with a free account
+1 more affiliated siteAvailable 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, NebraskaPrimaryLicense 72 · taxonomy 208600000X

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.

Medicare services, 2024397
Medicare patients75
Paid by Medicare$22,495
Procedure codes3

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.

See all procedures by Dr. Langnas

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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.

Medicare patients, 202475
Average age61
Average risk score3.25
Also on Medicaid32%

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

  1. High blood pressure75%
  2. Chronic kidney disease71%
  3. High cholesterol65%
  4. Diabetes59%
  5. Mood disorders53%
  6. Depression52%
  7. Arthritis47%
  8. 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.

Part D claims, 202414
Drugs named by CMS1
Total drug cost$4,566

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.

See all prescribing by Dr. Langnas

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.

Papers55
Years published2011 to 2025

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

Recent publications by Dr. Langnas

See all 55 publications and co-authors

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.

How network discovery works

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

Recent clinical trials with Dr. Langnas

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.

See all payments to Dr. Langnas

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.

  1. Medical schoolKansas City University of Med & Biosciences, College of Osteo Med

Source: Dmand AI Professional Profile Data

Sources for Dr. Alan N. Langnas'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 Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (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)
Industry paymentsOpen Payments (CMS) (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. 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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