TATYANA P SIMINAK APNP
NPI 1366196685
Nurse Practitioner - Psychiatric/Mental Health in Mequon, WI

Active since February 06, 2022PECOS EnrolledAccepts Medicare Assignment
11649 N PORT WASHINGTON RD STE 221, MEQUON, WI 53092(262) 912-1922 Get Directions Write a Review

NPPES record last updated: May 22, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 22, 2026, Feb 6, 2022 (2 updates tracked since 2022).

About Tatyana P Siminak Apnp NPPES

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

TATYANA P SIMINAK APNP (NPI 1366196685) is an individual psychiatric/mental health provider in Mequon, Wisconsin, licensed in Wisconsin (11724) and active in the NPI registry since February 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1366196685
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameTATYANA P SIMINAKCredential: APNP
Location Address11649 N PORT WASHINGTON RD STE 221Mequon, WI 53092-3461
Mailing Address4800 N Scottsdale Rd Ste 2500Scottsdale, AZ 85251-7630 · (262) 912-1922
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateFebruary 6, 2022
Last NPPES UpdateMay 22, 20262 updates tracked since enumeration
NPPES CertifiedMay 22, 2026
NPI 1366196685 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 · 11724
Also ListedNurse PractitionerTaxonomy 363L00000X · License 11724 (WI)
11649 N PORT WASHINGTON RD STE 221, Mequon, WI 53092

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

Tatyana P Siminak 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 ID7012301062
PECOS Enrollment IDI20220308001927
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 2

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.

Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
45 services12 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53092 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 8

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

Counselor (Professional)
11649 N PORT WASHINGTON RD STE 221
MEQUON, WI 53092
Nurse Practitioner (Psychiatric/Mental Health)
11649 N PORT WASHINGTON RD STE 221
MEQUON, WI 53092
Social Worker (Clinical)
11649 N PORT WASHINGTON RD STE 221
MEQUON, WI 53092
Counselor (Professional)
11649 N PORT WASHINGTON RD STE 221
MEQUON, WI 53092
Counselor (Professional)
11649 N PORT WASHINGTON RD STE 221
MEQUON, WI 53092
Nurse Practitioner (Psychiatric/Mental Health)
11649 N PORT WASHINGTON RD STE 221
MEQUON, WI 53092
Nurse Practitioner (Psychiatric/Mental Health)
11649 N PORT WASHINGTON RD STE 221
MEQUON, WI 53092
Counselor (Professional)
11649 N PORT WASHINGTON RD STE 221
MEQUON, WI 53092

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 Tatyana Siminak's NPI number?

The NPI number for Tatyana Siminak is 1366196685. It was assigned to this individual provider in the NPPES registry on February 6, 2022.

Where is Tatyana Siminak located?

Tatyana Siminak practices at 11649 N Port Washington Rd Ste 221, Mequon, WI 53092. The listed phone number is (262) 912-1922.

What is Tatyana Siminak's specialty?

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

Is Tatyana Siminak enrolled in Medicare?

Yes. Tatyana Siminak 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 Tatyana Siminak accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), HealthPartners, Medica and Network Health and 2 other insurers list Tatyana Siminak 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.

When was this NPI record last updated?

The NPPES record for Tatyana Siminak was last updated on May 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.