TONJA LEANA WINEKAUF ARNP
NPI 1710275912
Nurse Practitioner - Family in Vermillion, SD

Active since July 21, 2011PECOS EnrolledAccepts Medicare Assignment
20 S PLUM ST, VERMILLION, SD 57069(605) 677-3700 Get Directions Write a Review

NPPES record last updated: December 19, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 19, 2025, Apr 22, 2024, Apr 16, 2024 and 2 more (5 updates tracked since 2017).

About Tonja Leana Winekauf Arnp NPPES

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

TONJA LEANA WINEKAUF ARNP (NPI 1710275912) is an individual family provider in Vermillion, South Dakota, licensed in Iowa (106627) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS, is affiliated with St Lukes Regional Medical Center, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1710275912
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameTONJA LEANA WINEKAUFCredential: ARNP
Location Address20 S PLUM STVermillion, SD 57069-3346
Mailing AddressPo Box 5074Sioux Falls, SD 57117-5074
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateJuly 21, 2011
Last NPPES UpdateDecember 19, 20255 updates tracked since enumeration
NPPES CertifiedDecember 19, 2025
NPI 1710275912 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses Licensed in IA · 106627 Licensed in SD · CP002690
Also ListedNurse PractitionerTaxonomy 363L00000X · License 71006713A (IN)
20 S PLUM ST, Vermillion, SD 57069

Other Identifiers 1

Other106627IA · Iowa Board Of Nursing

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

Tonja Leana Winekauf Arnp 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 ID2769656834
PECOS Enrollment IDI20111130000026, I20230404001372
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 19

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.

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.
336 services137 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
301 services138 patients
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.
105 services30 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
50 services32 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.
46 services37 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
45 services45 patients

Hospital Affiliations CMS Care Compare 3

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

St Lukes Regional Medical Center

Acute Care Hospitals · Sioux City, IA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160146
Location2720 Stone Park BoulevardSioux City, IA 51104 · Woodbury County
Emergency services Birthing friendly

Mercyone Siouxland Medical Center

Acute Care Hospitals · Sioux City, IA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160153
Location801 5th StSioux City, IA 51101 · Woodbury County
Emergency services

Sanford Vermillion Hospital

Critical Access Hospitals · Vermillion, SD
OwnershipVoluntary non-profit - Private
CMS Certification Number431336
Location20 South Plum StreetVermillion, SD 57069 · Clay County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 57069 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
$85.21 typical visit price
range $55.52 – $167.23
Typical copayment $21.30 (range $13.88 – $41.80)
Most-billed visit code 99203
Established Patient
$97.88 typical visit price
range $18.08 – $137.08
Typical copayment $24.47 (range $4.52 – $34.27)
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.

Other Providers at the Same Location NPPES 20

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

Home Health
20 S PLUM ST
VERMILLION, SD 57069
Family Medicine
20 S PLUM ST
VERMILLION, SD 57069
Family Medicine
20 S PLUM ST
VERMILLION, SD 57069
Audiologist
20 S PLUM ST
VERMILLION, SD 57069
Emergency Medicine
20 S PLUM ST
VERMILLION, SD 57069
Family Medicine
20 S PLUM ST
VERMILLION, SD 57069
Pharmacy (Institutional Pharmacy)
20 S PLUM ST
VERMILLION, SD 57069
Physician Assistant
20 S PLUM ST
VERMILLION, SD 57069

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 Tonja Winekauf's NPI number?

The NPI number for Tonja Winekauf is 1710275912. It was assigned to this individual provider in the NPPES registry on July 21, 2011.

Where is Tonja Winekauf located?

Tonja Winekauf practices at 20 S Plum St, Vermillion, SD 57069. The listed phone number is (605) 677-3700.

What is Tonja Winekauf's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Tonja Winekauf enrolled in Medicare?

Yes. Tonja Winekauf 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 Tonja Winekauf accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan, Ambetter from Home State Health and Ambetter from Meridian and 7 other insurers list Tonja Winekauf 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 Tonja Winekauf affiliated with any hospitals?

According to CMS data, Tonja Winekauf is affiliated with St Lukes Regional Medical Center, Mercyone Siouxland Medical Center and Sanford Vermillion Hospital.

When was this NPI record last updated?

The NPPES record for Tonja Winekauf was last updated on December 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.