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Edit this profileAt a glance
- 1301 15Th Ave W, Williston, ND 58801
About Heidi Oien
Heidi N. Oien, FNP-C is a nurse practitioner practicing in Williston, ND. This provider record is associated with NPI 1669362604.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (701) 774-7400
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1301 15TH AVE W
Williston, ND 58801
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in Williston 6
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2025 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Heidi N. Oien specialize in?
Heidi N. Oien is a nurse practitioner in Williston, ND. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Heidi N. Oien located?
Heidi N. Oien is listed at 1301 15Th Ave W, Williston, ND 58801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Heidi N. Oien's phone number?
The number on file is (701) 774-7400. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Heidi N. Oien's NPI number?
Heidi N. Oien's National Provider Identifier is 1669362604. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Heidi N. Oien train?
Heidi N. Oien attended Other, graduating in 2025. This comes from the CMS National Downloadable File.
CMS public data
How long has Heidi N. Oien been practicing?
Heidi N. Oien has 1 year experience. Calculated from a graduation year of 2025, reported in the CMS National Downloadable File.
CMS public data
Has Heidi N. Oien confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Heidi N. Oien. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.