Anna Marie Hagnauer, DNP, FNP-C
- Medicare patients, 2024
- 70
- Part D claims, 2024
- 277
- Hospital affiliations
- 1
- Industry payments
- $492
- Medical group
- 1
- Practice address
- 325 Tamarack Ln, O'Fallon, IL 62269
- Practice phone
- Call (618) 624-2060
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Allergy, Asthma & Immunology Center SC
O'Fallon, Illinois
Find Anna Hagnauer'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.
Anna Marie Hagnauer is a family nurse practitioner in O'Fallon, Illinois
Anna Hagnauer practices at Allergy, Asthma & Immunology Center SC in O'Fallon, Illinois.
Anna Hagnauer's NPI, 1083208565, was assigned on February 24, 2021. Anna Hagnauer holds Illinois license 209026911.
- NPI
- 1083208565NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143693291
- NPI enumeration date
- February 24, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (618) 624-2060
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Anna Marie Hagnauer practices at Allergy, Asthma & Immunology Center SC in O'Fallon, Illinois
Anna Hagnauer's primary practice is Allergy, Asthma & Immunology Center SC, at 325 Tamarack Ln, O'Fallon, IL 62269 in Saint Clair County. The practice phone is (618) 624-2060.
- Allergy, Asthma & Immunology Center SC325 Tamarack Ln, O'Fallon, IL 62269 · Saint Clair CountyPhone(618) 624-2060
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Anna Marie Hagnauer is affiliated with 3 sites of care and 1 medical group
Anna Hagnauer's primary practice is Allergy, Asthma & Immunology Center SC in O'Fallon, Illinois. Anna Hagnauer is also affiliated with HSHS St. Elizabeth's Hospital. The medical group on file is Allergy, Asthma & Immunology Center, SC. Dmand AI also links Anna Hagnauer to 1 more group practice or clinic, 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 Anna Marie Hagnauer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Anna Hagnauer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Allergy, Asthma & Immunology Center SC | Available with a free account |
| +2 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Anna Marie Hagnauer is one of 7,275 family nurse practitioners in Illinois
Family is Anna Hagnauer's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Anna Hagnauer is licensed in Illinois.
Specialties and state licenses
- Family nurse practitioner, IllinoisPrimary
Family nurse practitioners near Anna Hagnauer
Counts of family 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
Anna Marie Hagnauer treated 70 Medicare patients in 2024, average age 71
CMS counts 70 Medicare patients who saw Anna Hagnauer in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have high cholesterol, and 73% have high blood pressure. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Anna Hagnauer's median patient age at 40, with 71% women.
Anna Hagnauer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Anna Hagnauer's Medicare patients by sex, 2024
- Women4564%
- Men2536%
Chronic conditions among Anna Hagnauer's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis46%
- Asthma34%
- Anxiety27%
- COPD27%
- Mood disorders27%
- Ischemic heart disease26%
Share of Medicare patients with each condition. A patient can have several.
Anna Hagnauer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women71%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Anna Marie Hagnauer wrote 277 Medicare Part D claims in 2024
In 2024, Anna Hagnauer wrote 277 Medicare Part D claims for 67 patients. 58% of them were for generic drugs.
Anna Hagnauer's Part D claims by kind of drug, 2024
- Generic161 claims58%
- Brand-name116 claims42%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Anna Marie Hagnauer takes part in Medicare
Anna Hagnauer 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.
Anna Marie Hagnauer received $492 in industry payments in 2025
CMS Open Payments shows 25 general payments to Anna Hagnauer from 9 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $119.
Companies that paid Anna Hagnauer 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 Anna Marie Hagnauer'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) |
| 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 Anna Marie Hagnauer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Anna Marie Hagnauer's NPI number?
Anna Marie Hagnauer's NPI number is 1083208565. It was assigned on February 24, 2021, and it is active in the NPI Registry.
What does Anna Marie Hagnauer specialize in?
Anna Marie Hagnauer is a family nurse practitioner in O'Fallon, Illinois. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Anna Marie Hagnauer practice?
Anna Hagnauer practices at 325 Tamarack Ln, O'Fallon, IL 62269. Anna Hagnauer's primary practice is Allergy, Asthma & Immunology Center SC in O'Fallon, Illinois. Dmand AI also links Anna Hagnauer to 1 group practice or clinic.
What is Anna Marie Hagnauer's office phone number?
The practice phone on file for Anna Hagnauer is (618) 624-2060.
What is Anna Marie Hagnauer's medical license number?
Anna Hagnauer holds Illinois license 209026911, one of 2 state licenses on file.
Which hospitals is Anna Marie Hagnauer affiliated with?
Anna Hagnauer is affiliated with HSHS St. Elizabeth's Hospital.
What medical group is Anna Marie Hagnauer part of?
Anna Hagnauer is linked to Allergy, Asthma & Immunology Center, SC.
Does Anna Marie Hagnauer accept Medicare?
Yes. CMS lists Anna Hagnauer as accepting Medicare assignment.
How many Medicare patients does Anna Marie Hagnauer see?
CMS counts 70 Medicare patients who saw Anna Hagnauer in 2024, with an average age of 71.
Has Anna Marie Hagnauer received payments from drug or device companies?
CMS Open Payments shows $492 in general payments to Anna Hagnauer from 9 companies from 2025 to 2025. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Anna Marie Hagnauer been practicing?
Anna Hagnauer graduated from medical school in 2022, 4 years ago.
Selling to family practices?
See family nurse practitioners in Illinois 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