Mary Elizabeth S. Nelson-Biersach, NP
Nurse Practitioner · Milwaukee, WI
Mary Elizabeth S. Nelson-Biersach, NP is a nurse practitioner with a practice address in Milwaukee, Wisconsin, and NPI 1013961077, issued on May 22, 2006. Check the license (Wisconsin 131442, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Elizabeth S. Nelson-Biersach
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 131442 WI
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 905-7349
- Enumerated
- May 22, 2006
- Record last updated
- Feb 16, 2024
- Fax
- (414) 805-7348
- Medicaid ID
- 1013961077 WI
- Medicare enrollment
- Enrolled (PECOS I20100914000698); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →
Also registered at 9200 W Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Elizabeth S. Nelson-Biersach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 131442Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average nurse practitioner in 2024
276 Medicare Part D claims for 84 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 15 claims were for opioids.
Most prescribed
- Baclofen91 claims
- Tizanidine Hcl50 claims
- Dantrolene Sodium26 claims
- Gabapentin19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $213.75
3 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Froedtert Andthe Medical College OF Wisconsin Community Physicians IncWest Bend, WI
- The Medical College OF Wisconsin IncWauwatosa, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Elizabeth S. Nelson-Biersach among 3,995 nurse practitioner records in Wisconsin
Mary Elizabeth S. Nelson-Biersach, NP is one of 3,995 nurse practitioner records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 82% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2011 · median 2017 among the 2,701 with a school on file
- Record last updated2024 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
695 nurse practitioner records list a practice address in Milwaukee
They are 695 of the 18,389 NPPES records with a practice address in Milwaukee, and 3,995 nurse practitioner records in Wisconsin.
All 3,995 in Wisconsin → Every provider in Milwaukee → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Judith Fox, APNPMilwaukee, WI 532261821040569
- Katherine Grochowski, NPMilwaukee, WI 532261821049644
- Helen Kim, APNPMilwaukee, WI 532261972554715
- Elizabeth Krzywda, NPMilwaukee, WI 532261316999139
- Linda Marker, APNPMilwaukee, WI 532261386696029
- Angela Paul, NPWauwatosa, WI 532261215993555
- Alexandra Pieper, APNPWauwatosa, WI 532261700888930
- Judith Podoll, APNPMilwaukee, WI 532261366494098
Common questions
What is Mary Elizabeth S. Nelson-Biersach, NP's NPI number?
Mary Elizabeth S. Nelson-Biersach, NP's National Provider Identifier (NPI) is 1013961077, issued on May 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Elizabeth S. Nelson-Biersach, NP located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 905-7349. Providers update this record themselves, so call before visiting.
How can I verify Mary Elizabeth S. Nelson-Biersach, NP's license?
NPPES lists Wisconsin license number 131442, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Elizabeth S. Nelson-Biersach, NP prescribe under Medicare Part D?
In 2024, Mary Elizabeth S. Nelson-Biersach, NP had 276 Medicare Part D claims for 84 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.