Dr. Charles Nicholas Eisenhauer IV, MD
- Medicare services, 2023
- 25
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 102
- Industry payments
- $8,043
- Affiliated sites
- 2
- Practice address
- 300 S Bruce St, Marshall, MN 56258
- Practice phone
- Call (507) 532-9661
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Avera Marshall Regional Medical Center
Marshall, Minnesota
Find Dr. Eisenhauer'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. Charles Nicholas Eisenhauer IV is a general surgeon in Marshall, Minnesota
Dr. Eisenhauer practices at Avera Marshall Regional Medical Center in Marshall, Minnesota.
Dr. Eisenhauer's NPI, 1275775587, was assigned on April 1, 2009. Dr. Eisenhauer graduated from University of Rochester School of Medicine and Dentistry in 2009. Dr. Eisenhauer holds Minnesota license 71735.
- NPI
- 1275775587NPI Registry (opens in a new tab)
- NPI enumeration date
- April 1, 2009
- NPI status
- Active
- Practice phone
- (507) 532-9661
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Charles Nicholas Eisenhauer IV practices at Avera Marshall Regional Medical Center in Marshall, Minnesota
Dr. Eisenhauer's primary practice is Avera Marshall Regional Medical Center, at 300 S Bruce St, Marshall, MN 56258 in Lyon County. The practice phone is (507) 532-9661.
- Avera Marshall Regional Medical Center300 S Bruce St, Marshall, MN 56258 · Lyon CountyPhone(507) 532-9661
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Charles Nicholas Eisenhauer IV is affiliated with 3 sites of care and 4 medical groups
Dr. Eisenhauer's primary practice is Avera Marshall Regional Medical Center in Marshall, Minnesota. The medical group on file is Avera Marshall Regional Medical Center. Dmand AI also links Dr. Eisenhauer to 3 more medical groups and 2 group practices and clinics, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Charles Nicholas Eisenhauer IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Eisenhauer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Avera Marshall Regional Medical Center | Available with a free account |
| +2 more sites and 3 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Charles Nicholas Eisenhauer IV is one of 616 general surgeons in Minnesota
Surgery is Dr. Eisenhauer's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Eisenhauer's licenses on file in 3 states: Minnesota, Kentucky and Tennessee.
Specialties and state licenses
- Surgery, MinnesotaPrimary
- Kentucky license
- Tennessee license
General surgeons near Dr. Eisenhauer
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. Charles Nicholas Eisenhauer IV billed Medicare for 25 services in 2023
CMS data shows 25 Medicare services from Dr. Eisenhauer across 2 procedure codes in 2023, for 11 Medicare patients. Medicare paid $2,123 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Eisenhauer's Medicare services by type, 2021 to 2023
- 2021
- 2023
- Office and hospital visits
- 2021: 1972023: 2587%
- Surgery
- 2021: 1232023: 0100%
Dr. Eisenhauer compared with the Minnesota median for general surgeons, 2023
- Dr. Eisenhauer
- Minnesota median
- Medicare services
- 25vs 8470% below
- Medicare patients
- 11vs 9689% below
- Part D claims
- 70vs 342.1 times
Medians across 549 general surgeons in Minnesota with Dmand AI profiles that report each measure.
Dr. Eisenhauer's most billed Medicare procedure codes, 2023
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. Eisenhauer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Eisenhauer and other general surgeons in Minnesota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charles Nicholas Eisenhauer IV treated 11 Medicare patients in 2024, average age 82
CMS counts 11 Medicare patients who saw Dr. Eisenhauer in 2024. The largest group is under 65, with 0 patients. Their average risk score is 1.30, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Eisenhauer's median patient age at 44, with 50% women.
Dr. Eisenhauer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Eisenhauer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
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. Charles Nicholas Eisenhauer IV wrote 102 Medicare Part D claims in 2024
In 2024, Dr. Eisenhauer wrote 102 Medicare Part D claims for 50 patients. 91% of them were for generic drugs. CMS names the drug for 70 of them, across 3 drugs with 11 or more claims each, at $807 in total drug cost. In 2023, CMS named 118 claims across 3 drugs.
Dr. Eisenhauer's Part D claims by kind of drug, 2024
- Generic93 claims91%
- Brand-name and other9 claims9%
Dr. Eisenhauer'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1182024: 7041%
Drugs named by CMS: 3 in 2024, 3 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Charles Nicholas Eisenhauer IV received $8,043 in industry payments from 2016 to 2023
CMS Open Payments shows 36 general payments to Dr. Eisenhauer from 6 drug and device companies from 2016 to 2023. Education make up the largest share, 68% of the total. Intuitive Surgical, Inc. paid the most, $7,391.
General payments to Dr. Eisenhauer by program year, 2016 to 2023
General payments to Dr. Eisenhauer by kind, 2016 to 2023
- Education$5,50068%
- Travel and lodging$1,55619%
- Food and beverage$98712%
Companies that paid Dr. Eisenhauer the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Charles Nicholas Eisenhauer IV graduated from University of Rochester School of Medicine and Dentistry
Dr. Eisenhauer graduated from University of Rochester School of Medicine and Dentistry in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Charles Nicholas Eisenhauer IV'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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. Charles Nicholas Eisenhauer IV
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. Charles Nicholas Eisenhauer IV's NPI number?
Dr. Charles Nicholas Eisenhauer IV's NPI number is 1275775587. It was assigned on April 1, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles Nicholas Eisenhauer IV?
Dr. Charles Nicholas Eisenhauer IV is a general surgeon in Marshall, Minnesota. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Charles Nicholas Eisenhauer IV practice?
Dr. Eisenhauer practices at 300 S Bruce St, Marshall, MN 56258. Dr. Eisenhauer's primary practice is Avera Marshall Regional Medical Center in Marshall, Minnesota. Dmand AI also links Dr. Eisenhauer to 3 medical groups and 2 group practices and clinics.
What is Dr. Charles Nicholas Eisenhauer IV's office phone number?
The practice phone on file for Dr. Eisenhauer is (507) 532-9661.
What is Dr. Charles Nicholas Eisenhauer IV's medical license number?
Dr. Eisenhauer holds Minnesota license 71735, one of the licenses on file in 3 states.
Which states has Dr. Charles Nicholas Eisenhauer IV been licensed in?
Dmand AI has state licenses on file for Dr. Eisenhauer in Minnesota, Kentucky and Tennessee.
What medical group is Dr. Charles Nicholas Eisenhauer IV part of?
Dr. Eisenhauer is linked to Avera Marshall Regional Medical Center. Dmand AI links Dr. Eisenhauer to 3 more medical groups.
Does Dr. Charles Nicholas Eisenhauer IV accept Medicare?
Yes. CMS data shows Dr. Eisenhauer billed Medicare for 25 services in 2023.
How many Medicare patients does Dr. Charles Nicholas Eisenhauer IV see?
CMS counts 11 Medicare patients who saw Dr. Eisenhauer in 2024, with an average age of 82.
What services does Dr. Charles Nicholas Eisenhauer IV bill to Medicare?
In 2023, Dr. Eisenhauer's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99223).
Show 4 more questionsShow fewer questions
Where did Dr. Charles Nicholas Eisenhauer IV go to medical school?
Dr. Eisenhauer graduated from University of Rochester School of Medicine and Dentistry in 2009.
What drugs does Dr. Charles Nicholas Eisenhauer IV prescribe most?
In 2024 Medicare Part D data, Dr. Eisenhauer's most prescribed drugs by claims were Pantoprazole Sodium, Gavilyte-G and Ondansetron ODT.
Has Dr. Charles Nicholas Eisenhauer IV received payments from drug or device companies?
CMS Open Payments shows $8,043 in general payments to Dr. Eisenhauer from 6 companies from 2016 to 2023. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Charles Nicholas Eisenhauer IV been practicing?
Dr. Eisenhauer graduated from medical school in 2009, 17 years ago.
Selling to surgery practices?
See general surgeons in Minnesota by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card