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

Mary Ann Ellis, DNP, APRN, CNP

Individual provider Nurse Practitioner · NPI 1699261610

Mary Ann Ellis, DNP, APRN, CNP is a Nurse Practitioner in Rochester, Minnesota. Qualified in 2018, 8 years ago. Practices with Olmsted Medical Center, a 325-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
8
Licensed in
MN
In the registry since
2018
Specialties on file
2
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
CNP — Certified Nurse Practitioner
A certified nurse practitioner.

See every abbreviation used in this directory →

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Practice location Address checks out

5067 55th St NW
Rochester, MN 55901-3809
Phone: (507) 292-7070
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (2)

  • 404 W Fountain St, Albert Lea, MN 56007-2437 — (262) 492-5156
  • 200 1st St Sw, Rochester, MN 55905-0001 — (507) 284-2511

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 5943 (MN)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 5943 (MN)

Record details

NPI number1699261610
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNP , APRN , CNP
Sole proprietorNo
NPI enumeratedJuly 2, 2018
Last updated in NPPESNovember 22, 2024
Certification dateNovember 22, 2024

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Olmsted Medical Center — 325 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients136
Services billed 151 a service is one billed item, such as a visit, a test or a procedure
Average patient age71

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $21 1 payment · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Colleagues at Olmsted Medical Center

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 325 clinicians in the practice; 12 are shown here.

Other providers in Rochester