Jessica Mahsem, APNP
Family Nurse Practitioner · Milwaukee, WI
Jessica Mahsem, APNP is a family nurse practitioner with a practice address in Milwaukee, Wisconsin, and NPI 1639563315, issued on Mar 20, 2015. Check the license (Wisconsin 6144-33, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jessica Mahsem
- Credential
- APNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 6144-33 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3201 S 16TH St, Milwaukee, WI 53215
- Phone
- (414) 649-3810
- Enumerated
- Mar 20, 2015
- Record last updated
- Mar 20, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150608002660); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,814 in Wisconsin → Look up another NPI →
Also registered at 3201 S 16TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jessica Mahsem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 6144-33Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family nurse practitioner in 2024
68 Medicare Part D claims for 26 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Midwest Critical Care SCBrookfield, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jessica Mahsem among 2,814 family nurse practitioner records in Wisconsin
Jessica Mahsem, APNP is one of 2,814 family nurse practitioner records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 34% of them.
- NPI issued2015 · 34% of these records are older, 62% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2013 · median 2019 among the 1,740 with a school on file
- Record last updated2015 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
458 family nurse practitioner records list a practice address in Milwaukee
They are 458 of the 18,389 NPPES records with a practice address in Milwaukee, and 2,814 family nurse practitioner records in Wisconsin.
All 2,814 in Wisconsin → Every provider in Milwaukee → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Lesley Boaz, APNPMilwaukee, WI 532151932275518
- Christine Brand, NURSE PRACTITIONERMilwaukee, WI 532151346330677
- Laura Folger, NPMilwaukee, WI 532151467710897
- Marni Hebert, F.N.P.Milwaukee, WI 532151568406346
- Nikole Henthorn, NPMilwaukee, WI 532151528035219
- Toni Kesler, APNPMilwaukee, WI 532151053401380
- Erin Lassanske, NPMilwaukee, WI 532151235135559
- Jennifer Richards, APNPMilwaukee, WI 532151851672489
Common questions
What is Jessica Mahsem, APNP's NPI number?
Jessica Mahsem, APNP's National Provider Identifier (NPI) is 1639563315, issued on Mar 20, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Jessica Mahsem, APNP located?
The NPPES record lists a practice address at 3201 S 16TH St, Milwaukee, WI, 53215. Phone: (414) 649-3810. Providers update this record themselves, so call before visiting.
How can I verify Jessica Mahsem, APNP's license?
NPPES lists Wisconsin license number 6144-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Jessica Mahsem, APNP prescribe under Medicare Part D?
In 2024, Jessica Mahsem, APNP had 68 Medicare Part D claims for 26 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.