Dr. Karl Christian Wallenkampf, MD
- Part D claims, 2024
- 46
- Publications
- 1
- Industry payments
- $75
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
- Practice phone
- Call (314) 658-3800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Rehabilitation Institute of St Louis
Saint Louis, Missouri
Find Dr. Wallenkampf'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. Karl Christian Wallenkampf is an internist in Saint Louis, Missouri
Dr. Wallenkampf practices at The Rehabilitation Institute of St Louis in Saint Louis, Missouri.
Dr. Wallenkampf's NPI, 1972171189, was assigned on June 14, 2021. Dr. Wallenkampf graduated from Loma Linda University School of Medicine in 2021. Dr. Wallenkampf holds Missouri license 2024015123.
- NPI
- 1972171189NPI Registry (opens in a new tab)
- NPI enumeration date
- June 14, 2021
- NPI status
- Active
- Practice phone
- (314) 658-3800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Karl Christian Wallenkampf practices at The Rehabilitation Institute of St Louis in Saint Louis, Missouri
Dr. Wallenkampf's primary practice is The Rehabilitation Institute of St Louis, at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 in Saint Louis City. The practice phone is (314) 658-3800.
- The Rehabilitation Institute of St Louis1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 658-3800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Karl Christian Wallenkampf is affiliated with 1 site of care
Dr. Wallenkampf's primary practice is The Rehabilitation Institute of St Louis in Saint Louis, Missouri.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Karl Christian Wallenkampf's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wallenkampf practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Rehabilitation Institute of St Louis | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karl Christian Wallenkampf is one of 2,114 internists in Missouri
Internal medicine is Dr. Wallenkampf's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Wallenkampf is licensed in Missouri.
Specialties and state licenses
- Internal medicine, MissouriPrimary
Internists near Dr. Wallenkampf
Counts of internists 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. Karl Christian Wallenkampf's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Wallenkampf's median patient age at 62, with 39% women.
Dr. Wallenkampf's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women39%
- Men61%
Source: Dmand AI Patient Panel Data
Dr. Karl Christian Wallenkampf wrote 46 Medicare Part D claims in 2024
In 2024, Dr. Wallenkampf wrote 46 Medicare Part D claims. 91% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $40 in total drug cost. In 2022, CMS named 24 claims across 2 drugs.
Dr. Wallenkampf's Part D claims by kind of drug, 2024
- Generic42 claims91%
- Brand-name and other4 claims9%
Dr. Wallenkampf's 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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 242023: 1442%
Drugs named by CMS: 1 in 2023, 2 in 2022.
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. Karl Christian Wallenkampf has 1 publication on record
Dmand AI links 1 paper to Dr. Wallenkampf in 2025. Dr. Wallenkampf's most frequent co-authors are Nicholas R. Arnold, Crystal Lynn Atwood, MD and Stephanie McCarty Conner, MD.
Dr. Wallenkampf's most frequent co-authors
- Nicholas R. Arnold1 shared paper
- Crystal Lynn Atwood, MD1 shared paper
- Stephanie McCarty Conner, MD1 shared paper
Recent publications by Dr. Wallenkampf
See who Dr. Wallenkampf researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wallenkampf works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Karl Christian Wallenkampf received $75 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Wallenkampf from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Actelion Pharmaceuticals US, Inc. paid the most, $75.
Companies that paid Dr. Wallenkampf 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. Karl Christian Wallenkampf graduated from Loma Linda University School of Medicine
Dr. Wallenkampf graduated from Loma Linda University School of Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karl Christian Wallenkampf'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel 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) |
| 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. Karl Christian Wallenkampf
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. Karl Christian Wallenkampf's NPI number?
Dr. Karl Christian Wallenkampf's NPI number is 1972171189. It was assigned on June 14, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Karl Christian Wallenkampf?
Dr. Karl Christian Wallenkampf is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Karl Christian Wallenkampf practice?
Dr. Wallenkampf practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Dr. Wallenkampf's primary practice is The Rehabilitation Institute of St Louis in Saint Louis, Missouri.
What is Dr. Karl Christian Wallenkampf's office phone number?
The practice phone on file for Dr. Wallenkampf is (314) 658-3800.
What is Dr. Karl Christian Wallenkampf's medical license number?
Dr. Wallenkampf holds Missouri license 2024015123.
Where did Dr. Karl Christian Wallenkampf go to medical school?
Dr. Wallenkampf graduated from Loma Linda University School of Medicine in 2021.
What drugs does Dr. Karl Christian Wallenkampf prescribe most?
In 2023 Medicare Part D data, Dr. Wallenkampf's most prescribed drugs by claims were Carvedilol.
Has Dr. Karl Christian Wallenkampf received payments from drug or device companies?
CMS Open Payments shows $75 in general payments to Dr. Wallenkampf from 1 company from 2025 to 2025. The largest total came from Actelion Pharmaceuticals US, Inc.
How long has Dr. Karl Christian Wallenkampf been practicing?
Dr. Wallenkampf graduated from medical school in 2021, 5 years ago.
Does Dr. Karl Christian Wallenkampf do research?
Dmand AI links 1 publication to Dr. Wallenkampf.
Who does Dr. Karl Christian Wallenkampf publish with?
Dr. Wallenkampf's most frequent co-authors are Nicholas R. Arnold (1 shared paper), Crystal Lynn Atwood, MD (1 shared paper) and Stephanie McCarty Conner, MD (1 shared paper).
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