Marci E. Messerschmidt, APNP

  • Appleton, WI
  • Nurse practitioner
NPI1174950398PAC ID3870729320
Medicare patients, 2024
25
Part D claims, 2024
60
Hospital affiliations
1
Industry payments
$70
Medical group
1
Practice address
1506 S Oneida St, Appleton, WI 54915
Practice phone
Call (920) 738-2000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

See all 3 affiliations

Find Marci Messerschmidt'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

Marci E. Messerschmidt is a nurse practitioner in Appleton, Wisconsin

Marci Messerschmidt practices at Ascension NE Wisconsin - St. Elizabeth Hospital in Appleton, Wisconsin, part of Ascension Health Alliance.

Marci Messerschmidt's NPI, 1174950398, was assigned on October 2, 2013. Marci Messerschmidt holds Wisconsin license 166941.

NPI and contact details
Medicare PAC ID
3870729320
NPI enumeration date
October 2, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(920) 738-2000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
39
Medical school graduation
2013

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Marci E. Messerschmidt practices at Ascension NE Wisconsin - St. Elizabeth Hospital in Appleton, Wisconsin

Marci Messerschmidt's primary practice is Ascension NE Wisconsin - St. Elizabeth Hospital, at 1506 S Oneida St, Appleton, WI 54915 in Outagamie County. The practice phone is (920) 738-2000.

Source: Dmand AI Affiliation Data

Marci E. Messerschmidt is affiliated with 2 sites of care and 1 medical group

Marci Messerschmidt's primary practice is Ascension NE Wisconsin - St. Elizabeth Hospital in Appleton, Wisconsin, part of Ascension Health Alliance. The medical group on file is Ascension Medical Group WI - Main Street - Family Medicine. Dmand AI also links Marci Messerschmidt to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Marci Messerschmidt

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

Dmand AI tracks the EHR system at Marci E. Messerschmidt's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Marci Messerschmidt practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ascension NE Wisconsin - St. Elizabeth HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Marci Messerschmidt practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.

Marci E. Messerschmidt is one of 3,198 nurse practitioners in Wisconsin

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

Specialties and state licenses

  • Nurse practitioner, WisconsinPrimaryLicense 166941 · taxonomy 363L00000X

Nurse practitioners near Marci Messerschmidt

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

Marci E. Messerschmidt treated 25 Medicare patients in 2024, average age 72

CMS counts 25 Medicare patients who saw Marci Messerschmidt in 2024. The largest group is 65 to 74, with 12 patients. 75% of them have high blood pressure, and 64% have high cholesterol. Their average risk score is 1.88, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Marci Messerschmidt's median patient age at 64, with 51% women.

Medicare patients, 202425
Average age72
Average risk score1.88

Marci Messerschmidt's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Marci Messerschmidt's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol64%
  3. Arthritis48%

Share of Medicare patients with each condition. A patient can have several.

Marci Messerschmidt's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women51%
  • Men49%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Marci E. Messerschmidt wrote 60 Medicare Part D claims in 2024

In 2024, Marci Messerschmidt wrote 60 Medicare Part D claims for 51 patients. 97% of them were for generic drugs.

Part D claims, 202460
Part D patients51

Marci Messerschmidt's Part D claims by kind of drug, 2024

  • Generic58 claims97%
  • Brand-name and other2 claims3%

Drug classes CMS tracks in Marci Messerschmidt's Part D claims, 2024

  • Opioids55%33 of 60 claims
  • Antibiotics28%17 of 60 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 Marci E. Messerschmidt takes part in Medicare

Marci Messerschmidt 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

Find nurse practitioners like Marci Messerschmidt by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Marci E. Messerschmidt received $70 in industry payments in 2025

CMS Open Payments shows 2 general payments to Marci Messerschmidt from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. CONMED Corporation paid the most, $50.

Companies that paid Marci Messerschmidt the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Marci Messerschmidt

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Marci E. Messerschmidt'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Marci E. Messerschmidt

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Marci E. Messerschmidt's NPI number?

Marci E. Messerschmidt's NPI number is 1174950398. It was assigned on October 2, 2013, and it is active in the NPI Registry.

What does Marci E. Messerschmidt specialize in?

Marci E. Messerschmidt is a nurse practitioner in Appleton, Wisconsin. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Marci E. Messerschmidt practice?

Marci Messerschmidt practices at 1506 S Oneida St, Appleton, WI 54915. Marci Messerschmidt's primary practice is Ascension NE Wisconsin - St. Elizabeth Hospital in Appleton, Wisconsin, part of Ascension Health Alliance. Dmand AI also links Marci Messerschmidt to 1 group practice or clinic.

What is Marci E. Messerschmidt's office phone number?

The practice phone on file for Marci Messerschmidt is (920) 738-2000.

What is Marci E. Messerschmidt's medical license number?

Marci Messerschmidt holds Wisconsin license 166941.

Which hospitals is Marci E. Messerschmidt affiliated with?

Marci Messerschmidt practices at Ascension NE Wisconsin - St. Elizabeth Hospital in Appleton, Wisconsin.

What medical group is Marci E. Messerschmidt part of?

Marci Messerschmidt is linked to Ascension Medical Group WI - Main Street - Family Medicine.

Does Marci E. Messerschmidt accept Medicare?

Yes. CMS lists Marci Messerschmidt as accepting Medicare assignment.

How many Medicare patients does Marci E. Messerschmidt see?

CMS counts 25 Medicare patients who saw Marci Messerschmidt in 2024, with an average age of 72.

Has Marci E. Messerschmidt received payments from drug or device companies?

CMS Open Payments shows $70 in general payments to Marci Messerschmidt from 2 companies from 2025 to 2025. The largest total came from CONMED Corporation.

How long has Marci E. Messerschmidt been practicing?

Marci Messerschmidt graduated from medical school in 2013, 13 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)