James L. Armstrong, NP
- Medicare patients, 2024
- 161
- Part D claims, 2024
- 541
- Hospital affiliations
- 4
- Medical group
- 1
- State license
- 1
- Practice address
- 260 26th Street, Prairie Du Sac, WI 53578
- Practice phone
- Call (608) 643-3311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find James Armstrong'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.
James L. Armstrong is a nurse practitioner in Prairie Du Sac, Wisconsin
James Armstrong practices at Sauk Prairie Hospital in Prairie Du Sac, Wisconsin, part of Sauk Prairie Healthcare.
James Armstrong's NPI, 1477518140, was assigned on April 18, 2006. James Armstrong graduated from University of Wisconsin School of Medicine in 2003. James Armstrong holds Wisconsin license 2347.
- NPI
- 1477518140NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830162312
- NPI enumeration date
- April 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 643-3311
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
James L. Armstrong practices at Sauk Prairie Hospital in Prairie Du Sac, Wisconsin
James Armstrong's primary practice is Sauk Prairie Hospital, at 260 26th Street, Prairie Du Sac, WI 53578 in Sauk County. The practice phone is (608) 643-3311.
- Sauk Prairie Hospital260 26th Street, Prairie Du Sac, WI 53578 · Sauk CountyPhone(608) 643-3311
Source: Dmand AI Affiliation Data
James L. Armstrong is affiliated with 4 sites of care and 1 medical group
James Armstrong's primary practice is Sauk Prairie Hospital in Prairie Du Sac, Wisconsin, part of Sauk Prairie Healthcare. James Armstrong is also affiliated with SSM Health St. Clare Hospital - Baraboo. The medical group on file is Sauk Prairie Healthcare. Dmand AI also links James Armstrong to 2 more hospitals, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at James L. Armstrong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Armstrong practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sauk Prairie Hospital | Available with a free account |
| +3 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 Sauk Prairie Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
James L. Armstrong is one of 3,198 nurse practitioners in Wisconsin
Nurse practitioner is James Armstrong's primary specialty in the NPI Registry, under taxonomy code 363L00000X. James Armstrong is licensed in Wisconsin.
Specialties and state licenses
- Nurse practitioner, WisconsinPrimary
Nurse practitioners near James Armstrong
Counts of nurse practitioners 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
James L. Armstrong treated 161 Medicare patients in 2024, average age 73
CMS counts 161 Medicare patients who saw James Armstrong in 2024. The largest group is 65 to 74, with 105 patients. 75% of them have arthritis, and 71% have high blood pressure. Their average risk score is 0.71, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts James Armstrong's median patient age at 70, with 57% women.
James Armstrong's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
James Armstrong's Medicare patients by sex, 2024
- Women9559%
- Men6641%
Chronic conditions among James Armstrong's Medicare patients, 2024
- Arthritis75%
- High blood pressure71%
- High cholesterol66%
- Diabetes19%
- Ischemic heart disease16%
- Mood disorders14%
- Asthma12%
- Atrial fibrillation12%
Share of Medicare patients with each condition. A patient can have several.
James Armstrong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
James L. Armstrong wrote 541 Medicare Part D claims in 2024
In 2024, James Armstrong wrote 541 Medicare Part D claims for 303 patients. 100% of them were for generic drugs.
James Armstrong's Part D claims by kind of drug, 2024
- Generic540 claims100%
- Brand-name and other1 claims0%
Drug classes CMS tracks in James Armstrong's Part D claims, 2024
- Opioids51%278 of 541 claims
- Antibiotics35%188 of 541 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 James L. Armstrong takes part in Medicare
James Armstrong 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
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James L. Armstrong graduated from University of Wisconsin School of Medicine
James Armstrong graduated from University of Wisconsin School of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for James L. Armstrong'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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 James L. Armstrong
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is James L. Armstrong's NPI number?
James L. Armstrong's NPI number is 1477518140. It was assigned on April 18, 2006, and it is active in the NPI Registry.
What does James L. Armstrong specialize in?
James L. Armstrong is a nurse practitioner in Prairie Du Sac, Wisconsin. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does James L. Armstrong practice?
James Armstrong practices at 260 26th Street, Prairie Du Sac, WI 53578. James Armstrong's primary practice is Sauk Prairie Hospital in Prairie Du Sac, Wisconsin, part of Sauk Prairie Healthcare. Dmand AI also links James Armstrong to 2 hospitals.
What is James L. Armstrong's office phone number?
The practice phone on file for James Armstrong is (608) 643-3311.
What is James L. Armstrong's medical license number?
James Armstrong holds Wisconsin license 2347.
Which hospitals is James L. Armstrong affiliated with?
James Armstrong practices at Sauk Prairie Hospital in Prairie Du Sac, Wisconsin. James Armstrong is also affiliated with SSM Health St. Clare Hospital - Baraboo. Dmand AI links James Armstrong to 2 more hospitals.
What medical group is James L. Armstrong part of?
James Armstrong is linked to Sauk Prairie Healthcare.
Does James L. Armstrong accept Medicare?
Yes. CMS lists James Armstrong as accepting Medicare assignment.
How many Medicare patients does James L. Armstrong see?
CMS counts 161 Medicare patients who saw James Armstrong in 2024, with an average age of 73.
Where did James L. Armstrong go to medical school?
James Armstrong graduated from University of Wisconsin School of Medicine in 2003.
How long has James L. Armstrong been practicing?
James Armstrong graduated from medical school in 2003, 23 years ago.
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