Matthew J. Armstrong, APNP

  • Milwaukee, WI
  • Nurse practitioner
NPI1326121898
Hospital affiliations
1
Medical groups
2
State license
1
Year NPI issued
2006
Practice address
9000 W Wisconsin Ave, Milwaukee, WI 53226
Practice phone
Call (414) 266-3954
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Children's Wisconsin

Hospital · Milwaukee, Wisconsin

See all 5 affiliations

Find Matthew 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.

View contacts for free

Matthew J. Armstrong is a nurse practitioner in Milwaukee, Wisconsin

Matthew Armstrong practices at Children's Wisconsin in Milwaukee, Wisconsin, part of Children's Hospital and Health System.

Matthew Armstrong's NPI, 1326121898, was assigned on October 20, 2006. Matthew Armstrong holds Wisconsin license 2420-083.

NPI and contact details
NPI enumeration date
October 20, 2006
NPI status
Active
Practice phone
(414) 266-3954
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; and Dmand AI Affiliation Data

Matthew J. Armstrong practices at Children's Wisconsin in Milwaukee, Wisconsin

Matthew Armstrong's primary practice is Children's Wisconsin, at 9000 W Wisconsin Ave, Milwaukee, WI 53226 in Milwaukee County. The practice phone is (414) 266-3954.

  • Children's Wisconsin
    9000 W Wisconsin Ave, Milwaukee, WI 53226 · Milwaukee CountyPhone(414) 266-3954

Source: Dmand AI Affiliation Data

Matthew J. Armstrong is affiliated with 3 sites of care and 2 medical groups

Matthew Armstrong's primary practice is Children's Wisconsin in Milwaukee, Wisconsin, part of Children's Hospital and Health System. The medical group on file is Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI also links Matthew Armstrong to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 5 affiliations for Matthew Armstrong

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Matthew J. Armstrong's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Matthew Armstrong practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Children's WisconsinAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Matthew Armstrong practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Children's Hospital and Health System and 6.2K+ hospitals, with verified contacts in the same login.

Matthew J. Armstrong is one of 3,198 nurse practitioners in Wisconsin

Nurse practitioner is Matthew Armstrong's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Matthew Armstrong is licensed in Wisconsin.

Specialties and state licenses

  • Nurse practitioner, WisconsinPrimaryLicense 2420-083 · taxonomy 363L00000X

Nurse practitioners near Matthew 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

Matthew J. Armstrong's patients have a median age of 10

Across all payers, Dmand AI patient panel data puts Matthew Armstrong's median patient age at 10, with 40% women.

Matthew 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 10

Patient panel by sex, all payers

  • Women40%
  • Men60%

Source: Dmand AI Patient Panel Data

Sources for Matthew J. Armstrong's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Matthew J. 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 Matthew J. Armstrong's NPI number?

Matthew J. Armstrong's NPI number is 1326121898. It was assigned on October 20, 2006, and it is active in the NPI Registry.

What does Matthew J. Armstrong specialize in?

Matthew J. Armstrong is a nurse practitioner in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Matthew J. Armstrong practice?

Matthew Armstrong practices at 9000 W Wisconsin Ave, Milwaukee, WI 53226. Matthew Armstrong's primary practice is Children's Wisconsin in Milwaukee, Wisconsin, part of Children's Hospital and Health System. Dmand AI also links Matthew Armstrong to 2 group practices and clinics and 1 medical group.

What is Matthew J. Armstrong's office phone number?

The practice phone on file for Matthew Armstrong is (414) 266-3954.

What is Matthew J. Armstrong's medical license number?

Matthew Armstrong holds Wisconsin license 2420-083.

Which hospitals is Matthew J. Armstrong affiliated with?

Matthew Armstrong practices at Children's Wisconsin in Milwaukee, Wisconsin.

What medical group is Matthew J. Armstrong part of?

Matthew Armstrong is linked to Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI links Matthew Armstrong to 1 more medical group.

How long has Matthew J. Armstrong been practicing?

Matthew Armstrong graduated from medical school in 2003, 23 years ago.

Selling to nurse practitioner practices?

See nurse practitioners in Wisconsin by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)