MANDY L SIKORSKI APNP
NPI 1245727445
Nurse Practitioner - Psychiatric/Mental Health in Wausau, WI

Active since April 13, 2018PECOS EnrolledAccepts Medicare Assignment
1100 LAKE VIEW DR, WAUSAU, WI 54403(715) 848-4600 Get Directions Write a Review

NPPES record last updated: January 9, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 9, 2023, Jan 4, 2023, Apr 13, 2018 (3 updates tracked since 2018).

About Mandy L Sikorski Apnp NPPES

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

MANDY L SIKORSKI APNP (NPI 1245727445) is an individual psychiatric/mental health provider in Wausau, Wisconsin, licensed in Wisconsin (13439) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Aspirus Wausau Hospital, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1245727445
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMANDY L SIKORSKICredential: APNP
Location Address1100 LAKE VIEW DRWausau, WI 54403-6799
Mailing Address1100 Lake View DrWausau, WI 54403-6799 · (715) 848-4600
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 13, 2018
Last NPPES UpdateJanuary 9, 20233 updates tracked since enumeration
NPPES CertifiedJanuary 9, 2023
NPI 1245727445 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License Licensed in WI · 13439
Also ListedNurse PractitionerTaxonomy 363L00000X · License 13439 (WI)
1100 LAKE VIEW DR, Wausau, WI 54403

Other Names 1

Former Name (1)Mandy L Diestler

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

Mandy L Sikorski Apnp 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 ID7012389133
PECOS Enrollment IDI20230217001112
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 4

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.
126 services46 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
30 services19 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
23 services13 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

Aspirus Wausau Hospital

Acute Care Hospitals · Wausau, WI
4/5 CMS rating
OwnershipProprietary
CMS Certification Number520030
Location333 Pine Ridge BlvdWausau, WI 54401 · Marathon County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54403 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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.

Counselor (Addiction (Substance Use Disorder))
1100 LAKE VIEW DR
WAUSAU, WI 54403
Nurse's Aide
1100 LAKE VIEW DR
WAUSAU, WI 54403
Physical Therapist
1100 LAKE VIEW DR
WAUSAU, WI 54403
Counselor (Professional)
1100 LAKE VIEW DR
WAUSAU, WI 54403
Counselor (Professional)
1100 LAKE VIEW DR
WAUSAU, WI 54403
Student in an Organized Health Care Education/Training Program
1100 LAKE VIEW DR
WAUSAU, WI 54403
Social Worker (Clinical)
1100 LAKE VIEW DR, WAUSAU
WAUSAU, WI 54403
Nurse Practitioner (Psychiatric/Mental Health)
1100 LAKE VIEW DR
WAUSAU, WI 54403

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 Mandy Sikorski's NPI number?

The NPI number for Mandy Sikorski is 1245727445. It was assigned to this individual provider in the NPPES registry on April 13, 2018. The provider is also known as Mandy L Diestler.

Where is Mandy Sikorski located?

Mandy Sikorski practices at 1100 Lake View Dr, Wausau, WI 54403. The listed phone number is (715) 848-4600.

What is Mandy Sikorski's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Mandy Sikorski enrolled in Medicare?

Yes. Mandy Sikorski 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 Mandy Sikorski accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners, Medica and Security Health Plan list Mandy Sikorski 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 Mandy Sikorski affiliated with any hospitals?

According to CMS data, Mandy Sikorski is affiliated with Aspirus Wausau Hospital.

When was this NPI record last updated?

The NPPES record for Mandy Sikorski was last updated on January 9, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.