Michael A. Arntsen, PA-C
- Medicare patients, 2024
- 85
- Part D claims, 2024
- 563
- MIPS score, 2024
- 83
- Hospital affiliations
- 1
- Industry payments
- $348
- Practice address
- 10515 W Santa Fe Dr, Sun City, AZ 85351
- Practice phone
- Call (602) 747-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Banner Alzheimer's Institute
Sun City, Arizona
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 A. Arntsen is a physician assistant in Sun City, Arizona
Michael Arntsen practices at Banner Alzheimer's Institute in Sun City, Arizona.
Michael Arntsen's NPI, 1578046223, was assigned on September 10, 2018. Michael Arntsen holds Iowa license 093643.
- NPI
- 1578046223NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799038725
- NPI enumeration date
- September 10, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (602) 747-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Michael A. Arntsen practices at Banner Alzheimer's Institute in Sun City, Arizona
Michael Arntsen's primary practice is Banner Alzheimer's Institute, at 10515 W Santa Fe Dr, Sun City, AZ 85351 in Maricopa County. The practice phone is (602) 747-4000.
- Banner Alzheimer's Institute10515 W Santa Fe Dr, Sun City, AZ 85351 · Maricopa CountyPhone(602) 747-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Michael A. Arntsen is affiliated with 3 sites of care and 2 medical groups
Michael Arntsen's primary practice is Banner Alzheimer's Institute in Sun City, Arizona. Michael Arntsen is also affiliated with Banner - University Medical Center Phoenix. The medical group on file is Banner - University Medical Group. Dmand AI also links Michael Arntsen to 1 more therapy and rehab clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Michael A. Arntsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Arntsen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Banner Alzheimer's Institute | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Michael A. Arntsen is one of 2,965 physician assistants in Arizona
Physician assistant is Michael Arntsen's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Michael Arntsen is licensed in Iowa.
Specialties and state licenses
- Physician assistant, IowaPrimary
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 A. Arntsen treated 85 Medicare patients in 2024, average age 73
CMS counts 85 Medicare patients who saw Michael Arntsen in 2024. The largest group is 65 to 74, with 46 patients. 75% of them have arthritis, and 75% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Michael Arntsen's median patient age at 65, with 51% women.
Michael Arntsen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Michael Arntsen's Medicare patients by sex, 2024
- Women4452%
- Men4148%
Chronic conditions among Michael Arntsen's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease38%
- Diabetes36%
- Ischemic heart disease32%
- Anxiety31%
- Mood disorders31%
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 65
Patient panel by sex, all payers
- Women51%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Michael A. Arntsen wrote 563 Medicare Part D claims in 2024
In 2024, Michael Arntsen wrote 563 Medicare Part D claims for 138 patients. 99% of them were for generic drugs.
Michael Arntsen's Part D claims by kind of drug, 2024
- Generic560 claims99%
- Brand-name and other3 claims1%
Drug classes CMS tracks in Michael Arntsen's Part D claims, 2024
- Opioids29%163 of 563 claims
- Antibiotics7%37 of 563 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
Michael A. Arntsen scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Michael Arntsen for performance year 2024, reported as part of a group. Michael Arntsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Michael Arntsen's MIPS scores, performance year 2024
- 83of 100Final score
- 69.8of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
- 68of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Michael A. Arntsen received $348 in industry payments in 2025
CMS Open Payments shows 4 general payments to Michael Arntsen from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $335.
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 A. 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 | 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 DataDmand 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)Clinician Public Reporting: Overall MIPS Performance (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 A. 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 A. Arntsen's NPI number?
Michael A. Arntsen's NPI number is 1578046223. It was assigned on September 10, 2018, and it is active in the NPI Registry.
What does Michael A. Arntsen specialize in?
Michael A. Arntsen is a physician assistant in Sun City, Arizona. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Michael A. Arntsen practice?
Michael Arntsen practices at 10515 W Santa Fe Dr, Sun City, AZ 85351. Michael Arntsen's primary practice is Banner Alzheimer's Institute in Sun City, Arizona. Dmand AI also links Michael Arntsen to 1 therapy and rehab clinic and 1 medical group.
What is Michael A. Arntsen's office phone number?
The practice phone on file for Michael Arntsen is (602) 747-4000.
What is Michael A. Arntsen's medical license number?
Michael Arntsen holds Iowa license 093643.
Which hospitals is Michael A. Arntsen affiliated with?
Michael Arntsen is affiliated with Banner - University Medical Center Phoenix.
What medical group is Michael A. Arntsen part of?
Michael Arntsen is linked to Banner - University Medical Group. Dmand AI links Michael Arntsen to 1 more medical group.
Does Michael A. Arntsen accept Medicare?
Yes. CMS lists Michael Arntsen as accepting Medicare assignment.
What is Michael A. Arntsen's MIPS score?
Michael Arntsen's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Michael A. Arntsen see?
CMS counts 85 Medicare patients who saw Michael Arntsen in 2024, with an average age of 73.
Has Michael A. Arntsen received payments from drug or device companies?
CMS Open Payments shows $348 in general payments to Michael Arntsen from 2 companies from 2025 to 2025. The largest total came from Stryker Corporation.
How long has Michael A. Arntsen been practicing?
Michael Arntsen graduated from medical school in 2018, 8 years ago.
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