CognitionDepressive Disorder, Treatment-ResistantFeasibility Studies
Dr. Erik K. St Louis, MD
NPI1922090851PAC ID2264509439
- Medicare services, 2024
- 167
- Medicare patients, 2024
- 177
- Part D claims, 2024
- 825
- Publications
- 112
- Hospital affiliations
- 2
- Practice address
- 700 West Avenue South, La Crosse, WI 54601
- Practice phone
- Call (608) 785-0940
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. St Louis' 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. Erik K. St Louis is a neurologist in La Crosse, Wisconsin
Dr. St Louis practices at Mayo Clinic Health System in La Crosse in La Crosse, Wisconsin, part of Mayo Clinic.
Dr. St Louis' NPI, 1922090851, was assigned on August 17, 2005. Dr. St Louis holds Minnesota license 37540.
NPI and contact details
- NPI
- 1922090851NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264509439
- NPI enumeration date
- August 17, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (608) 785-0940
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Erik K. St Louis practices at Mayo Clinic Health System in La Crosse in La Crosse, Wisconsin
Dr. St Louis' primary practice is Mayo Clinic Health System in La Crosse, at 700 West Avenue South, La Crosse, WI 54601 in La Crosse County. The practice phone is (608) 785-0940.
- Mayo Clinic Health System in La Crosse700 West Avenue South, La Crosse, WI 54601 · La Crosse CountyPhone(608) 785-0940
Source: Dmand AI Affiliation Data
Dr. Erik K. St Louis is affiliated with 3 sites of care and 8 medical groups
Dr. St Louis' primary practice is Mayo Clinic Health System in La Crosse in La Crosse, Wisconsin, part of Mayo Clinic. Dr. St Louis is also affiliated with Mayo Clinic Hospital, Saint Marys Campus. The medical group on file is Mayo Clinic. Dmand AI also links Dr. St Louis to 7 more medical groups and 1 hospice, each named with a free account.
Mayo Clinic Hospital, Saint Marys CampusMayo Clinic7 medical groupsNames with a free account1 hospiceName with a free account
See all 11 affiliations for Dr. St LouisSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Erik K. St Louis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. St Louis practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Health System in La Crosse | Available with a free account |
| +2 more sites and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Erik K. St Louis is one of 330 neurologists in Wisconsin
Neurology is Dr. St Louis' primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dmand AI has Dr. St Louis' licenses on file in 3 states: Minnesota, Iowa and Wisconsin.
Specialties and state licenses
- Neurology, MinnesotaPrimary
- Clinical neurophysiology, Iowa
- Wisconsin license
Neurologists near Dr. St Louis
Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.
330neurologists in Wisconsin21neurologists in La Crosse4neurologists at Mayo Clinic Health System in La Crosse
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Erik K. St Louis billed Medicare for 167 services in 2024
CMS data shows 167 Medicare services from Dr. St Louis across 7 procedure codes in 2024, for 177 Medicare patients. Medicare paid $14,051 for them.
Medicare services, 2024167
Medicare patients177
Paid by Medicare$14,051
Procedure codes7
Dr. St Louis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 512024: 9382%
- Office and hospital visits
- 2023: 872024: 7415%
- Other services
- 2023: 142024: 0100%
Where Dr. St Louis' Medicare services took place, 2024
- In an office7444%
- In a facility9356%
Dr. St Louis compared with the Wisconsin median for neurologists, 2024
- Dr. St Louis
- Wisconsin median
- Medicare services
- 167vs 24933% below
- Medicare patients
- 177vs 1648% above
- Part D claims
- 675vs 55621% above
Medians across 332 neurologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. St Louis' 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. St Louis and other neurologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Erik K. St Louis treated 177 Medicare patients in 2024, average age 71
CMS counts 177 Medicare patients who saw Dr. St Louis in 2024. The largest group is 65 to 74, with 90 patients. 67% of them have high blood pressure, and 67% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. St Louis' median patient age at 65, with 45% women.
Medicare patients, 2024177
Average age71
Average risk score1.24
Also on Medicaid12%
Dr. St Louis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. St Louis' Medicare patients by sex, 2024
- Women8447%
- Men9353%
Chronic conditions among Dr. St Louis' Medicare patients, 2024
- High blood pressure67%
- High cholesterol67%
- Arthritis41%
- Anxiety31%
- Mood disorders31%
- Depression28%
- Ischemic heart disease27%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. St Louis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women45%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Erik K. St Louis wrote 825 Medicare Part D claims in 2024
In 2024, Dr. St Louis wrote 825 Medicare Part D claims for 86 patients. 90% of them were for generic drugs. CMS names the drug for 675 of them, across 21 drugs with 11 or more claims each, at $106,799 in total drug cost. In 2023, CMS named 715 claims across 22 drugs.
Part D claims, 2024825
Drugs named by CMS21
Total drug cost$106,799
Part D patients86
Dr. St Louis' Part D claims by kind of drug, 2024
- Generic740 claims90%
- Brand-name and other85 claims10%
Dr. St Louis' 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.
Drug classes CMS tracks in Dr. St Louis' Part D claims, 2024
- Opioids20%167 of 825 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7152024: 6756%
Drugs named by CMS: 21 in 2024, 22 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
Dr. Erik K. St Louis offers telehealth to Medicare patients
Dr. St Louis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. St Louis as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Erik K. St Louis has 112 publications on record
Dmand AI links 112 papers to Dr. St Louis, published from 2017 to 2025. 2021 was the busiest year, with 16. The most frequent topics are REM Sleep Behavior Disorder, Sleep and Polysomnography. Dr. St Louis has published most often in J Clin Sleep Med. Dr. St Louis' most frequent co-authors are Bradley F. Boeve, MD, Stuart James Flicker McCarter, MD and Michael Harold Silber, MBCHB.
Papers112
Years published2017 to 2025
Dr. St Louis' papers by year, 2017 to 2025
Topics Dr. St Louis writes about most
- REM Sleep Behavior Disorder
- Sleep
- Polysomnography
- Sleep, REM
- Parkinson Disease
- Epilepsy
- Sleep Wake Disorders
- Lewy Body Disease
Dr. St Louis' most frequent co-authors
- Bradley F. Boeve, MD32 shared papers
- Stuart James Flicker McCarter, MD31 shared papers
- Michael Harold Silber, MBCHB24 shared papers
Recent publications by Dr. St Louis
See who Dr. St Louis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. St Louis works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Erik K. St Louis received $39,517 in industry payments from 2016 to 2020
CMS Open Payments shows 6 general payments to Dr. St Louis from 3 drug and device companies from 2016 to 2020. Consulting fees make up the largest share, 98% of the total. Sunovion Pharmaceuticals Inc. paid the most, $33,909. It also lists 4 research payments totaling $5,411 from 2016 to 2018.
General payments to Dr. St Louis by program year, 2016 to 2020
General payments to Dr. St Louis by kind, 2016 to 2020
$39.5Kin total
- Consulting fees$38,70998%
- Travel and lodging$7682%
- Food and beverage$390%
Companies that paid Dr. St Louis the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Erik K. St Louis'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Erik K. St Louis
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. Erik K. St Louis' NPI number?
Dr. Erik K. St Louis' NPI number is 1922090851. It was assigned on August 17, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Erik K. St Louis?
Dr. Erik K. St Louis is a neurologist in La Crosse, Wisconsin. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Erik K. St Louis practice?
Dr. St Louis practices at 700 West Avenue South, La Crosse, WI 54601. Dr. St Louis' primary practice is Mayo Clinic Health System in La Crosse in La Crosse, Wisconsin, part of Mayo Clinic. Dmand AI also links Dr. St Louis to 7 medical groups and 1 hospice.
What is Dr. Erik K. St Louis' office phone number?
The practice phone on file for Dr. St Louis is (608) 785-0940.
What is Dr. Erik K. St Louis' medical license number?
Dr. St Louis holds Minnesota license 37540, one of the licenses on file in 3 states.
Which states has Dr. Erik K. St Louis been licensed in?
Dmand AI has state licenses on file for Dr. St Louis in Minnesota, Iowa and Wisconsin.
Which hospitals is Dr. Erik K. St Louis affiliated with?
Dr. St Louis practices at Mayo Clinic Health System in La Crosse in La Crosse, Wisconsin. Dr. St Louis is also affiliated with Mayo Clinic Hospital, Saint Marys Campus.
What medical group is Dr. Erik K. St Louis part of?
Dr. St Louis is linked to Mayo Clinic. Dmand AI links Dr. St Louis to 7 more medical groups.
Does Dr. Erik K. St Louis accept Medicare?
Yes. CMS data shows Dr. St Louis billed Medicare for 167 services in 2024, and Dr. St Louis accepts Medicare assignment.
Does Dr. Erik K. St Louis offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. St Louis as offering telehealth services.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Erik K. St Louis see?
CMS counts 177 Medicare patients who saw Dr. St Louis in 2024, with an average age of 71.
What services does Dr. Erik K. St Louis bill to Medicare?
In 2024, Dr. St Louis' most billed Medicare services were nerve and brain test (95800), nerve and brain test (95811) and office visit, established patient (99214).
What drugs does Dr. Erik K. St Louis prescribe most?
In 2024 Medicare Part D data, Dr. St Louis' most prescribed drugs by claims were Pregabalin, Tramadol HCl and Levetiracetam.
Has Dr. Erik K. St Louis received payments from drug or device companies?
CMS Open Payments shows $39,517 in general payments to Dr. St Louis from 3 companies from 2016 to 2020. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Erik K. St Louis been practicing?
Dr. St Louis graduated from medical school in 2008, 18 years ago.
Does Dr. Erik K. St Louis do research?
Dmand AI links 112 publications to Dr. St Louis, published from 2017 to 2025.
Who does Dr. Erik K. St Louis publish with?
Dr. St Louis' most frequent co-authors are Bradley F. Boeve, MD (32 shared papers), Stuart James Flicker McCarter, MD (31 shared papers) and Michael Harold Silber, MBCHB (24 shared papers).
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