Dr. Nathaniel Christiansen, MD
- Part D claims, 2024
- 18
- Publications
- 1
- Industry payments
- $93
- State license
- 1
- Year NPI issued
- 2020
- Practice address
- 836 W. Welligton Ave., Chicago, IL 60657-5147
- Practice phone
- Call (773) 975-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Christiansen'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. Nathaniel Christiansen is a general surgeon in Chicago, Illinois
Dr. Christiansen practices in Chicago, Illinois.
Dr. Christiansen's NPI, 1841829439, was assigned on April 6, 2020. Dr. Christiansen holds Illinois license 125.076960.
- NPI
- 1841829439NPI Registry (opens in a new tab)
- NPI enumeration date
- April 6, 2020
- NPI status
- Active
- Practice phone
- (773) 975-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Nathaniel Christiansen's practice address is in Chicago, Illinois
Dr. Christiansen's practice address in the NPI Registry is 836 W. Welligton Ave., Chicago, IL 60657-5147. The practice phone is (773) 975-1600.
- NPI Registry address836 W. Welligton Ave., Chicago, IL 60657-5147Phone(773) 975-1600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Nathaniel Christiansen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Christiansen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Christiansen's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathaniel Christiansen is one of 1,217 general surgeons in Illinois
Surgery is Dr. Christiansen's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Christiansen is licensed in Illinois.
Specialties and state licenses
- Surgery, IllinoisPrimary
General surgeons near Dr. Christiansen
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. Nathaniel Christiansen wrote 18 Medicare Part D claims in 2024
In 2024, Dr. Christiansen wrote 18 Medicare Part D claims for 16 patients. 100% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $83 in total drug cost.
Dr. Christiansen'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.
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
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Dr. Nathaniel Christiansen has 1 publication on record
Dmand AI links 1 paper to Dr. Christiansen in 2024. Dr. Christiansen's most frequent co-authors are Grace Y. Liu, Piotr P. Witkowski and Yixuan Zhou, MD.
Dr. Christiansen's most frequent co-authors
Recent publications by Dr. Christiansen
See who Dr. Christiansen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Christiansen 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. Nathaniel Christiansen received $93 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Christiansen from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $93.
Companies that paid Dr. Christiansen the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Nathaniel Christiansen'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 |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Nathaniel Christiansen
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. Nathaniel Christiansen's NPI number?
Dr. Nathaniel Christiansen's NPI number is 1841829439. It was assigned on April 6, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathaniel Christiansen?
Dr. Nathaniel Christiansen is a general surgeon in Chicago, Illinois. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Nathaniel Christiansen practice?
Dr. Christiansen practices at 836 W. Welligton Ave., Chicago, IL 60657-5147.
What is Dr. Nathaniel Christiansen's office phone number?
The practice phone on file for Dr. Christiansen is (773) 975-1600.
What is Dr. Nathaniel Christiansen's medical license number?
Dr. Christiansen holds Illinois license 125.076960.
What drugs does Dr. Nathaniel Christiansen prescribe most?
In 2021 Medicare Part D data, Dr. Christiansen's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Nathaniel Christiansen received payments from drug or device companies?
CMS Open Payments shows $93 in general payments to Dr. Christiansen from 1 company from 2022 to 2022. The largest total came from Medtronic, Inc.
How long has Dr. Nathaniel Christiansen been practicing?
Dr. Christiansen's NPI was assigned in 2020.
Does Dr. Nathaniel Christiansen do research?
Dmand AI links 1 publication to Dr. Christiansen.
Who does Dr. Nathaniel Christiansen publish with?
Dr. Christiansen's most frequent co-authors are Grace Y. Liu (1 shared paper), Piotr P. Witkowski (1 shared paper) and Yixuan Zhou, MD (1 shared paper).
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