Mary Elizabeth S. Nelson-Biersach, NP
- Medicare patients, 2024
- 93
- Part D claims, 2024
- 276
- Hospital affiliations
- 1
- Industry payments
- $52
- Medical groups
- 2
- Practice address
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Practice phone
- Call (414) 805-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mary Elizabeth Nelson-Biersach'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.
Mary Elizabeth S. Nelson-Biersach is a nurse practitioner in Milwaukee, Wisconsin
Mary Elizabeth Nelson-Biersach practices at Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health.
Mary Elizabeth Nelson-Biersach's NPI, 1013961077, was assigned on May 22, 2006. Mary Elizabeth Nelson-Biersach holds Wisconsin license 131442.
- NPI
- 1013961077NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759406713
- NPI enumeration date
- May 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (414) 805-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary Elizabeth S. Nelson-Biersach practices at Froedtert Hospital in Milwaukee, Wisconsin
Mary Elizabeth Nelson-Biersach's primary practice is Froedtert Hospital, at 9200 W Wisconsin Ave, Milwaukee, WI 53226 in Milwaukee County. The practice phone is (414) 805-3000.
- Froedtert Hospital9200 W Wisconsin Ave, Milwaukee, WI 53226 · Milwaukee CountyPhone(414) 805-3000
Source: Dmand AI Affiliation Data
Mary Elizabeth S. Nelson-Biersach is affiliated with 1 site of care and 2 medical groups
Mary Elizabeth Nelson-Biersach's primary practice is Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health. The medical group on file is Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI also links Mary Elizabeth Nelson-Biersach to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mary Elizabeth S. Nelson-Biersach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Elizabeth Nelson-Biersach practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Froedtert Hospital | Available with a free account |
| +1 medical group | 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 Froedtert ThedaCare Health and 6.2K+ hospitals, with verified contacts in the same login.
Mary Elizabeth S. Nelson-Biersach is one of 3,198 nurse practitioners in Wisconsin
Nurse practitioner is Mary Elizabeth Nelson-Biersach's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Mary Elizabeth Nelson-Biersach is licensed in Wisconsin.
Specialties and state licenses
- Nurse practitioner, WisconsinPrimary
Nurse practitioners near Mary Elizabeth Nelson-Biersach
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
Mary Elizabeth S. Nelson-Biersach treated 93 Medicare patients in 2024, average age 57
CMS counts 93 Medicare patients who saw Mary Elizabeth Nelson-Biersach in 2024. The largest group is under 65, with 51 patients. 55% of them have high blood pressure, and 51% have high cholesterol. 55% are also on Medicaid. Their average risk score is 2.24, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mary Elizabeth Nelson-Biersach's median patient age at 52, with 48% women.
Mary Elizabeth Nelson-Biersach's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mary Elizabeth Nelson-Biersach's Medicare patients by sex, 2024
- Women3639%
- Men5761%
Chronic conditions among Mary Elizabeth Nelson-Biersach's Medicare patients, 2024
- High blood pressure55%
- High cholesterol51%
- Mood disorders47%
- Depression41%
- Arthritis39%
- Anxiety35%
- Stroke or TIA28%
- Chronic kidney disease19%
Share of Medicare patients with each condition. A patient can have several.
Mary Elizabeth Nelson-Biersach's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mary Elizabeth S. Nelson-Biersach wrote 276 Medicare Part D claims in 2024
In 2024, Mary Elizabeth Nelson-Biersach wrote 276 Medicare Part D claims for 84 patients. 94% of them were for generic drugs.
Mary Elizabeth Nelson-Biersach's Part D claims by kind of drug, 2024
- Generic259 claims94%
- Brand-name17 claims6%
Drug classes CMS tracks in Mary Elizabeth Nelson-Biersach's Part D claims, 2024
- Opioids5%15 of 276 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 Mary Elizabeth S. Nelson-Biersach takes part in Medicare
Mary Elizabeth Nelson-Biersach 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.
Mary Elizabeth S. Nelson-Biersach received $52 in industry payments in 2025
CMS Open Payments shows 2 general payments to Mary Elizabeth Nelson-Biersach from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Ipsen Biopharmaceuticals, Inc paid the most, $52.
Companies that paid Mary Elizabeth Nelson-Biersach 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 Mary Elizabeth S. Nelson-Biersach'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) |
| 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 Mary Elizabeth S. Nelson-Biersach
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mary Elizabeth S. Nelson-Biersach's NPI number?
Mary Elizabeth S. Nelson-Biersach's NPI number is 1013961077. It was assigned on May 22, 2006, and it is active in the NPI Registry.
What does Mary Elizabeth S. Nelson-Biersach specialize in?
Mary Elizabeth S. Nelson-Biersach is a nurse practitioner in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Mary Elizabeth S. Nelson-Biersach practice?
Mary Elizabeth Nelson-Biersach practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. Mary Elizabeth Nelson-Biersach's primary practice is Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health. Dmand AI also links Mary Elizabeth Nelson-Biersach to 1 medical group.
What is Mary Elizabeth S. Nelson-Biersach's office phone number?
The practice phone on file for Mary Elizabeth Nelson-Biersach is (414) 805-3000.
What is Mary Elizabeth S. Nelson-Biersach's medical license number?
Mary Elizabeth Nelson-Biersach holds Wisconsin license 131442.
Which hospitals is Mary Elizabeth S. Nelson-Biersach affiliated with?
Mary Elizabeth Nelson-Biersach practices at Froedtert Hospital in Milwaukee, Wisconsin.
What medical group is Mary Elizabeth S. Nelson-Biersach part of?
Mary Elizabeth Nelson-Biersach is linked to Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI links Mary Elizabeth Nelson-Biersach to 1 more medical group.
Does Mary Elizabeth S. Nelson-Biersach accept Medicare?
Yes. CMS lists Mary Elizabeth Nelson-Biersach as accepting Medicare assignment.
How many Medicare patients does Mary Elizabeth S. Nelson-Biersach see?
CMS counts 93 Medicare patients who saw Mary Elizabeth Nelson-Biersach in 2024, with an average age of 57.
Has Mary Elizabeth S. Nelson-Biersach received payments from drug or device companies?
CMS Open Payments shows $52 in general payments to Mary Elizabeth Nelson-Biersach from 1 company from 2025 to 2025. The largest total came from Ipsen Biopharmaceuticals, Inc.
How long has Mary Elizabeth S. Nelson-Biersach been practicing?
Mary Elizabeth Nelson-Biersach graduated from medical school in 2011, 15 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