Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Marilynn Klemstein, NP

Individual provider Family Nurse Practitioner · NPI 1316377294

Marilynn Klemstein, NP is a Nurse Practitioner in Elm Grove, Wisconsin. Qualified in 2013, 13 years ago. Practices with Ascension Medical Group-Southeast Wisconsin Inc, a 555-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
13
Licensed in
WI
In the registry since
2013
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

12500 W Bluemound Rd Ste 201
Elm Grove, WI 53122-2600
Phone: (262) 787-2114
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 5549 (WI)

Record details

NPI number1316377294
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedNovember 14, 2013
Last updated in NPPESNovember 7, 2018
Mailing address12500 W Bluemound Rd, Suite 201, Elm Grove, WI 53122-2600

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Ascension Medical Group-Southeast Wisconsin Inc — 555 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare