Dr. Aaron Gronseth, MD
- Medicare services, 2024
- 353
- Medicare patients, 2024
- 324
- Part D claims, 2024
- 251
- Hospital affiliations
- 1
- Industry payments
- $14
- 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. Gronseth'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. Aaron Gronseth is an emergency medicine physician in La Crosse, Wisconsin
Dr. Gronseth practices at Mayo Clinic Health System in La Crosse in La Crosse, Wisconsin, part of Mayo Clinic.
Dr. Gronseth's NPI, 1962883280, was assigned on June 11, 2015. Dr. Gronseth holds Wisconsin license 73864.
- NPI
- 1962883280NPI Registry (opens in a new tab)
- NPI enumeration date
- June 11, 2015
- NPI status
- Active
- Practice phone
- (608) 785-0940
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Aaron Gronseth practices at Mayo Clinic Health System in La Crosse in La Crosse, Wisconsin
Dr. Gronseth's 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. Aaron Gronseth is affiliated with 1 site of care and 1 medical group
Dr. Gronseth's primary practice is Mayo Clinic Health System in La Crosse in La Crosse, Wisconsin, part of Mayo Clinic. The medical group on file is Mayo Clinic Health System in La Crosse.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Aaron Gronseth's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gronseth practices. 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 |
Source: Dmand AI Technology Install Data
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Dr. Aaron Gronseth is one of 1,211 emergency medicine physicians in Wisconsin
Emergency medicine is Dr. Gronseth's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Gronseth's licenses on file in 2 states: Wisconsin and Nevada.
Specialties and state licenses
- Emergency medicine, WisconsinPrimary
- Nevada license
Emergency medicine physicians near Dr. Gronseth
Counts of emergency medicine physicians 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. Aaron Gronseth billed Medicare for 353 services in 2024
CMS data shows 353 Medicare services from Dr. Gronseth across 4 procedure codes in 2024, for 324 Medicare patients. Medicare paid $41,053 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gronseth's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3232024: 3539%
Dr. Gronseth compared with the Wisconsin median for emergency medicine physicians, 2024
- Dr. Gronseth
- Wisconsin median
- Medicare services
- 353vs 24643% above
- Medicare patients
- 324vs 22147% above
- Part D claims
- 150vs 572.6 times
Medians across 1,249 emergency medicine physicians in Wisconsin with Dmand AI profiles that report each measure.
Dr. Gronseth's 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. Gronseth and other emergency medicine physicians in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Aaron Gronseth treated 324 Medicare patients in 2024, average age 72
CMS counts 324 Medicare patients who saw Dr. Gronseth in 2024. The largest group is 75 to 84, with 118 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 2.00, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Gronseth's median patient age at 56, with 56% women.
Dr. Gronseth's Medicare patients by age, 2024
Dr. Gronseth's Medicare patients by sex, 2024
- Women16250%
- Men16250%
Chronic conditions among Dr. Gronseth's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease49%
- Arthritis44%
- Diabetes39%
- Ischemic heart disease37%
- Heart failure36%
- Mood disorders35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gronseth's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Aaron Gronseth wrote 251 Medicare Part D claims in 2024
In 2024, Dr. Gronseth wrote 251 Medicare Part D claims for 166 patients. 94% of them were for generic drugs. CMS names the drug for 150 of them, across 7 drugs with 11 or more claims each, at $1,148 in total drug cost. In 2023, CMS named 70 claims across 4 drugs.
Dr. Gronseth's Part D claims by kind of drug, 2024
- Generic235 claims94%
- Brand-name and other16 claims6%
Dr. Gronseth'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.
Drug classes CMS tracks in Dr. Gronseth's Part D claims, 2024
- Opioids7%17 of 251 claims
- Antibiotics47%119 of 251 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: 702024: 150114%
Drugs named by CMS: 7 in 2024, 4 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
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Dr. Aaron Gronseth received $14 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Gronseth from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Medtronic USA, Inc. paid the most, $14.
Companies that paid Dr. Gronseth the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Aaron Gronseth'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) |
| 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. Aaron Gronseth
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. Aaron Gronseth's NPI number?
Dr. Aaron Gronseth's NPI number is 1962883280. It was assigned on June 11, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Aaron Gronseth?
Dr. Aaron Gronseth is an emergency medicine physician in La Crosse, Wisconsin. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Aaron Gronseth practice?
Dr. Gronseth practices at 700 West Avenue South, La Crosse, WI 54601. Dr. Gronseth's primary practice is Mayo Clinic Health System in La Crosse in La Crosse, Wisconsin, part of Mayo Clinic.
What is Dr. Aaron Gronseth's office phone number?
The practice phone on file for Dr. Gronseth is (608) 785-0940.
What is Dr. Aaron Gronseth's medical license number?
Dr. Gronseth holds Wisconsin license 73864, one of the licenses on file in 2 states.
Which states has Dr. Aaron Gronseth been licensed in?
Dmand AI has state licenses on file for Dr. Gronseth in Wisconsin and Nevada.
Which hospitals is Dr. Aaron Gronseth affiliated with?
Dr. Gronseth practices at Mayo Clinic Health System in La Crosse in La Crosse, Wisconsin.
What medical group is Dr. Aaron Gronseth part of?
Dr. Gronseth is linked to Mayo Clinic Health System in La Crosse.
Does Dr. Aaron Gronseth accept Medicare?
Yes. CMS data shows Dr. Gronseth billed Medicare for 353 services in 2024.
How many Medicare patients does Dr. Aaron Gronseth see?
CMS counts 324 Medicare patients who saw Dr. Gronseth in 2024, with an average age of 72.
Show 4 more questionsShow fewer questions
What services does Dr. Aaron Gronseth bill to Medicare?
In 2024, Dr. Gronseth's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
What drugs does Dr. Aaron Gronseth prescribe most?
In 2024 Medicare Part D data, Dr. Gronseth's most prescribed drugs by claims were Cefdinir, Prednisone and Azithromycin.
Has Dr. Aaron Gronseth received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Dr. Gronseth from 1 company from 2019 to 2019. The largest total came from Medtronic USA, Inc.
How long has Dr. Aaron Gronseth been practicing?
Dr. Gronseth graduated from medical school in 2015, 11 years ago.
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