Dr. Randall C. Walker, MD
- Medicare services, 2022
- 41
- Part D claims, 2022
- 13
- Publications
- 23
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 700 West Ave S, La Crosse, WI 54601
- Practice phone
- Call (507) 284-2511
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Walker'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. Randall C. Walker is an infectious disease specialist in La Crosse, Wisconsin
Dr. Walker practices in La Crosse, Wisconsin.
Dr. Walker's NPI, 1821063421, was assigned on February 17, 2006. Dr. Walker holds Minnesota license 25763.
- NPI
- 1821063421NPI Registry (opens in a new tab)
- NPI enumeration date
- February 17, 2006
- NPI status
- Active
- Practice phone
- (507) 284-2511
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Randall C. Walker's practice address is in La Crosse, Wisconsin
Dr. Walker's practice address in the NPI Registry is 700 West Ave S, La Crosse, WI 54601, in La Crosse County. The practice phone is (507) 284-2511.
- NPI Registry address700 West Ave S, La Crosse, WI 54601 · La Crosse CountyPhone(507) 284-2511
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Randall C. Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Walker's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Randall C. Walker is one of 154 infectious disease specialists in Wisconsin
Infectious disease is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dmand AI has Dr. Walker's licenses on file in 2 states: Minnesota and Wisconsin.
Specialties and state licenses
- Infectious disease, MinnesotaPrimary
- Wisconsin license
Infectious disease specialists near Dr. Walker
Counts of infectious disease specialists 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. Randall C. Walker billed Medicare for 41 services in 2022
CMS data shows 41 Medicare services from Dr. Walker across 1 procedure code in 2022. Medicare paid $1,151 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Walker's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 1592022: 4174%
Dr. Walker compared with the Wisconsin median for infectious disease specialists, 2022
- Dr. Walker
- Wisconsin median
- Medicare services
- 41vs 19779% below
- Part D claims
- 13vs 15592% below
Medians across 148 infectious disease specialists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Walker's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walker and other infectious disease specialists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Randall C. Walker wrote 13 Medicare Part D claims in 2022
In 2022, Dr. Walker wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $1,691 in total drug cost. In 2021, CMS named 30 claims across 2 drugs.
Dr. Walker's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 302022: 1357%
Drugs named by CMS: 1 in 2022, 2 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Randall C. Walker has 23 publications on record
Dmand AI links 23 papers to Dr. Walker, published from 2011 to 2024. 2014 was the busiest year, with 4. The most frequent topics are Anti-Bacterial Agents, Antifungal Agents and Allografts. Dr. Walker has published most often in Clin Infect Dis. Dr. Walker's most frequent co-authors are Aaron J. Tande, MD, Lisa Brumble, MD and Douglas R. Osmon, MD.
Dr. Walker's papers by year, 2011 to 2024
Topics Dr. Walker writes about most
- Anti-Bacterial Agents
- Antifungal Agents
- Allografts
- Clostridium Infections
- Fecal Microbiota Transplantation
- Hematopoietic Stem Cell Transplantation
- Microbial Sensitivity Tests
- Neutropenia
Dr. Walker's most frequent co-authors
Recent publications by Dr. Walker
Transpl Infect Dis
Mayo Clin Proc Innov Qual Outcomes
See who Dr. Walker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Walker works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Randall C. Walker'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 |
| 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 |
| 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. Randall C. Walker
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. Randall C. Walker's NPI number?
Dr. Randall C. Walker's NPI number is 1821063421. It was assigned on February 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Randall C. Walker?
Dr. Randall C. Walker is an infectious disease specialist in La Crosse, Wisconsin. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Randall C. Walker practice?
Dr. Walker practices at 700 West Ave S, La Crosse, WI 54601.
What is Dr. Randall C. Walker's office phone number?
The practice phone on file for Dr. Walker is (507) 284-2511.
What is Dr. Randall C. Walker's medical license number?
Dr. Walker holds Minnesota license 25763, one of the licenses on file in 2 states.
Which states has Dr. Randall C. Walker been licensed in?
Dmand AI has state licenses on file for Dr. Walker in Minnesota and Wisconsin.
Does Dr. Randall C. Walker accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 41 services in 2022.
What services does Dr. Randall C. Walker bill to Medicare?
In 2022, Dr. Walker's most billed Medicare services were hospital inpatient care (99231).
What drugs does Dr. Randall C. Walker prescribe most?
In 2022 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Doxycycline Monohydrate.
How long has Dr. Randall C. Walker been practicing?
Dr. Walker's NPI was assigned in 2006.
Does Dr. Randall C. Walker do research?
Dmand AI links 23 publications to Dr. Walker, published from 2011 to 2024.
Who does Dr. Randall C. Walker publish with?
Dr. Walker's most frequent co-authors are Aaron J. Tande, MD (5 shared papers), Lisa Brumble, MD (4 shared papers) and Douglas R. Osmon, MD (4 shared papers).
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