Michael Thomas Arntsen, PA-C
- Medicare patients, 2024
- 204
- Part D claims, 2024
- 81
- Hospital affiliations
- 5
- Industry payments
- $1,072
- Medical group
- 1
- Practice address
- 1500 Sw 10th Avenue, Topeka, KS 66604
- Practice phone
- Call (785) 354-6121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Michael Arntsen'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.
Michael Thomas Arntsen is a physician assistant in Topeka, Kansas
Michael Arntsen practices at Stormont Vail Hospital in Topeka, Kansas, part of Stormont Vail Health.
Michael Arntsen's NPI, 1831823301, was assigned on July 12, 2022. Michael Arntsen holds Kansas license 15-02789.
- NPI
- 1831823301NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072976919
- NPI enumeration date
- July 12, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (785) 354-6121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Michael Thomas Arntsen practices at Stormont Vail Hospital in Topeka, Kansas
Michael Arntsen's primary practice is Stormont Vail Hospital, at 1500 Sw 10th Avenue, Topeka, KS 66604 in Shawnee County. The practice phone is (785) 354-6121.
- Stormont Vail Hospital1500 Sw 10th Avenue, Topeka, KS 66604 · Shawnee CountyPhone(785) 354-6121
Source: Dmand AI Affiliation Data
Michael Thomas Arntsen is affiliated with 6 sites of care and 1 medical group
Michael Arntsen's primary practice is Stormont Vail Hospital in Topeka, Kansas, part of Stormont Vail Health. Michael Arntsen is also affiliated with Ascension Via Christi Hospital in Manhattan. The medical group on file is Cotton O'Neil Clinic. Dmand AI also links Michael Arntsen to 3 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Michael Thomas Arntsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Arntsen practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stormont Vail Hospital | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Stormont Vail Health and 6.2K+ hospitals, with verified contacts in the same login.
Michael Thomas Arntsen is one of 995 physician assistants in Kansas
Physician assistant is Michael Arntsen's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Michael Arntsen's licenses on file in 2 states: Kansas and Massachusetts.
Specialties and state licenses
- Physician assistant, KansasPrimary
- Student in an organized health care education/training program, Massachusetts
Physician assistants near Michael Arntsen
Counts of physician assistants 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
Michael Thomas Arntsen treated 204 Medicare patients in 2024, average age 75
CMS counts 204 Medicare patients who saw Michael Arntsen in 2024. The largest group is 65 to 74, with 91 patients. 75% of them have arthritis, and 75% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Michael Arntsen's median patient age at 62, with 41% women.
Michael Arntsen's Medicare patients by age, 2024
Michael Arntsen's Medicare patients by sex, 2024
- Women9547%
- Men10953%
Chronic conditions among Michael Arntsen's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety42%
- Mood disorders41%
- Depression38%
- Chronic kidney disease36%
- Diabetes34%
Share of Medicare patients with each condition. A patient can have several.
Michael Arntsen'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
- Women41%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Michael Thomas Arntsen wrote 81 Medicare Part D claims in 2024
In 2024, Michael Arntsen wrote 81 Medicare Part D claims for 47 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Michael Arntsen's Part D claims, 2024
- Opioids32%26 of 81 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Michael Thomas Arntsen takes part in Medicare
Michael Arntsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Michael Thomas Arntsen received $1,072 in industry payments in 2025
CMS Open Payments shows 6 general payments to Michael Arntsen from 2 drug and device companies in 2025. Travel and lodging make up the largest share, 85% of the total. Stryker Corporation paid the most, $1,050.
General payments to Michael Arntsen by kind, 2025 to 2025
- Travel and lodging$91485%
- Food and beverage$15815%
Companies that paid Michael Arntsen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Michael Thomas Arntsen'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 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 (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) |
| 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 Michael Thomas Arntsen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Michael Thomas Arntsen's NPI number?
Michael Thomas Arntsen's NPI number is 1831823301. It was assigned on July 12, 2022, and it is active in the NPI Registry.
What does Michael Thomas Arntsen specialize in?
Michael Thomas Arntsen is a physician assistant in Topeka, Kansas. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Michael Thomas Arntsen practice?
Michael Arntsen practices at 1500 Sw 10th Avenue, Topeka, KS 66604. Michael Arntsen's primary practice is Stormont Vail Hospital in Topeka, Kansas, part of Stormont Vail Health. Dmand AI also links Michael Arntsen to 3 hospitals and 1 group practice or clinic.
What is Michael Thomas Arntsen's office phone number?
The practice phone on file for Michael Arntsen is (785) 354-6121.
What is Michael Thomas Arntsen's medical license number?
Michael Arntsen holds Kansas license 15-02789, one of the licenses on file in 2 states.
Which states has Michael Thomas Arntsen been licensed in?
Dmand AI has state licenses on file for Michael Arntsen in Kansas and Massachusetts.
Which hospitals is Michael Thomas Arntsen affiliated with?
Michael Arntsen practices at Stormont Vail Hospital in Topeka, Kansas. Michael Arntsen is also affiliated with Ascension Via Christi Hospital in Manhattan. Dmand AI links Michael Arntsen to 3 more hospitals.
What medical group is Michael Thomas Arntsen part of?
Michael Arntsen is linked to Cotton O'Neil Clinic.
Does Michael Thomas Arntsen accept Medicare?
Yes. CMS lists Michael Arntsen as accepting Medicare assignment.
How many Medicare patients does Michael Thomas Arntsen see?
CMS counts 204 Medicare patients who saw Michael Arntsen in 2024, with an average age of 75.
Has Michael Thomas Arntsen received payments from drug or device companies?
CMS Open Payments shows $1,072 in general payments to Michael Arntsen from 2 companies from 2025 to 2025. The largest total came from Stryker Corporation.
How long has Michael Thomas Arntsen been practicing?
Michael Arntsen graduated from medical school in 2023, 3 years ago.
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