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

Tanya L Giese, FNP-C

Individual provider Family Nurse Practitioner · NPI 1548997240

Tanya L Giese, FNP-C is a Nurse Practitioner in Williston, North Dakota. Graduated from University of North Dakota School of Medicine in 2022, 4 years ago. Practices with Trinity Health, a 294-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in North Dakota.

Years since qualifying
4
Trained at
University of North Dakota School of Medicine
Licensed in
ND
In the registry since
2022
Specialties on file
3
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

1700 11th St W
Williston, ND 58801-4500
Phone: (701) 774-7687
Fax: (701) 572-1695
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 222 N 7th St, Bismarck, ND 58501-4436 — (701) 323-6000
  • 300 N 7th St, Bismarck, ND 58501-4439 — (701) 323-6000
  • 2305 37th Ave Sw, Minot, ND 58701-7669 — (701) 418-8000
  • 1321 W Dakota Pkwy, Williston, ND 58801-3807 — (701) 572-7711

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence R27868 (ND)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence R27868 (ND)
Primary Care Nurse Practitioner Taxonomy 363LP2300X · Licence R27868 (ND)

Record details

NPI number1548997240
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-C
Sole proprietorNo
NPI enumeratedAugust 2, 2022
Last updated in NPPESAugust 7, 2026
Certification dateAugust 7, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolUNIVERSITY OF NORTH DAKOTA SCHOOL OF MEDICINE
Graduated 2022 (4 years in practice)
Group practice Trinity Health — 294 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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