Tamera Ostenaa, APRN, CNP
Family Nurse Practitioner · Mahnomen, MN
At a glance
410 4Th St Sw, Mahnomen, MN 56557-4732
NPPES record updated Mar 18, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
410 4Th St SwMahnomen, MN 56557-4732
Additional reported practice locations
736 Broadway NFargo, ND 581224732
Phone: 7012345840 1027 Washington Ave
Detroit Lakes, MN 565013409
Phone: 2188442347
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2018
- CMS specialties
- Nurse Practitioner
Practice groups
Reported hospital affiliations
- Essentia Health Ada Ada, MN
- Essentia Health St Marys - Detroit Lakes Detroit Lakes, MN
- Mahnomen Health Center Mahnomen, MN
- Sanford Medical Center Fargo Fargo, ND
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $87.11 |
Reporting companies
| Company | Amount |
|---|---|
| PHATHOM PHARMACEUTICALS, INC. | $27.65 |
| LUNDBECK LLC | $16.44 |
| LILLY USA, LLC | $14.87 |
| OTSUKA AMERICA PHARMACEUTICAL, INC. | $14.57 |
| NOVO NORDISK INC | $13.58 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Family Nurse Practitioner
- Taxonomy code
- 363LF0000X
- Enumeration date
- Oct 22, 2018
- Record updated
- Mar 18, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- APRN, CNP
Reported taxonomies and licenses
207Q00000X
License reported: 6248 MN
363LF0000X · Primary
License reported: 6248 MN
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
410 4Th St SwMahnomen, MN 56557-4732
- Phone
- (218) 835-2514
Mailing address
PO BOX 5074SIOUX FALLS, SD 571175074
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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