Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TANYA L GIESE FNP-C
NPI 1548997240
Nurse Practitioner in Williston, ND

Active since August 02, 2022PECOS EnrolledAccepts Medicare Assignment
83.79/100
CMS Quality Rating
1700 11TH ST W, WILLISTON, ND 58801(701) 774-7687(701) 572-1695 Get Directions Write a Review

NPPES record last updated: August 7, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 7, 2026, Aug 31, 2022, Aug 2, 2022 (3 updates tracked since 2022).

About Tanya L Giese Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TANYA L GIESE FNP-C (NPI 1548997240) is an individual nurse practitioner in Williston, North Dakota, licensed in North Dakota (R27868) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS, is affiliated with Sidney Health Center, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1548997240
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameTANYA L GIESECredential: FNP-C
Location Address1700 11TH ST WWilliston, ND 58801-4500
Mailing AddressPo Box 5074Sioux Falls, SD 57117-5074 · (605) 328-6585 · Fax (605) 328-6512
Fax(701) 572-1695
Sole ProprietorNo
Medical School CMSUniversity Of North Dakota School Of MedicineGraduated 2022
Enumeration DateAugust 2, 2022
Last NPPES UpdateAugust 7, 20263 updates tracked since enumeration
NPPES CertifiedAugust 7, 2026
NPI 1548997240 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in ND · R27868
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License R27868 (ND)
Also ListedNurse Practitioner · Primary CareTaxonomy 363LP2300X · License R27868 (ND)
1700 11TH ST W, Williston, ND 58801

Secondary Practice Locations 4

Location 1300 N 7th StBismarck, ND 58501-4439 · Phone (701) 323-6000 · Fax (701) 323-5918
Location 22305 37th Ave SWMinot, ND 58701-7669 · Phone (701) 418-8000
Location 31321 W Dakota PkwyWilliston, ND 58801-3807 · Phone (701) 572-7711 · Fax (701) 857-2283
Location 4222 N 7th StBismarck, ND 58501-4436 · Phone (701) 323-6000 · Fax (701) 323-6249

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Tanya L Giese Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6507293503
PECOS Enrollment IDI20220914003797
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
186 services78 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
177 services112 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
52 services44 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
50 services35 patients
Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
29 services29 patients
Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
29 services29 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sidney Health Center

Critical Access Hospitals · Sidney, MT
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number271344
Location216 14th Ave SWSidney, MT 59270 · Richland County
Emergency services Birthing friendly

Trinity Hospitals

Acute Care Hospitals · Minot, ND
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number350006
Location407 3rd St SEMinot, ND 58701 · Ward County
Emergency services Birthing friendly

Mckenzie County Healthcare Systems Inc

Critical Access Hospitals · Watford City, ND
OwnershipVoluntary non-profit - Private
CMS Certification Number351302
Location709 4th Ave NEWatford City, ND 58854 · Mckenzie County
Emergency services

Chi St Alexius Health Williston

Critical Access Hospitals · Williston, ND
OwnershipVoluntary non-profit - Church
CMS Certification Number351334
Location1301 15th Ave WWilliston, ND 58801 · Williams County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 58801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.71 typical visit price
range $55.75 – $168.12
Typical copayment $21.42 (range $13.93 – $42.03)
Most-billed visit code 99203
Established Patient
$98.29 typical visit price
range $18.11 – $137.65
Typical copayment $24.57 (range $4.52 – $34.41)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.79/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality78.37
Promoting Interoperability100
Improvement Activities40
Cost67.62

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology
1700 11TH ST W
WILLISTON, ND 58801
Registered Nurse (Diabetes Educator)
1700 11TH ST W
WILLISTON, ND 58801
Physician Assistant
1700 11TH ST W
WILLISTON, ND 58801
Obstetrics & Gynecology
1700 11TH ST W
WILLISTON, ND 58801
Physician Assistant (Surgical)
1700 11TH ST W
WILLISTON, ND 58801
Obstetrics & Gynecology
1700 11TH ST W
WILLISTON, ND 58801
Advanced Practice Midwife
1700 11TH ST W
WILLISTON, ND 58801
Internal Medicine
1700 11TH ST W
WILLISTON, ND 58801

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tanya Giese's NPI number?

The NPI number for Tanya Giese is 1548997240. It was assigned to this individual provider in the NPPES registry on August 2, 2022.

Where is Tanya Giese located?

Tanya Giese practices at 1700 11th St W, Williston, ND 58801. The listed phone number is (701) 774-7687.

What is Tanya Giese's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Tanya Giese enrolled in Medicare?

Yes. Tanya Giese is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Tanya Giese accept?

Health plans from Blue Cross Blue Shield of North Dakota, Medica and Sanford Health Plan list Tanya Giese as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Tanya Giese affiliated with any hospitals?

According to CMS data, Tanya Giese is affiliated with Sidney Health Center, Trinity Hospitals, Mckenzie County Healthcare Systems Inc and Chi St Alexius Health Williston.

When was this NPI record last updated?

The NPPES record for Tanya Giese was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.