Provider Profile
Tatyana P. Siminak, APNP
Unclaimed ProfileAbout Tatyana Siminak
Tatyana P. Siminak, APNP is a nurse practitioner based in Mequon, WI. Tatyana is also listed as specializing in nurse practitioner — psychiatric/mental health. According to Medicare claims data, the services billed most often include psychotherapy with evaluation and management visit, 30 minutes and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. The provider's National Provider Identifier (NPI) is 1366196685.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (262) 912-1922
- Email not available
Practice Locations
11649 N PORT WASHINGTON RD STE 221
Mequon, WI 53092
Procedures Most Often Billed to Medicare
56 services · 23 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
45 | Less often than most peers in Nurse Practitioner |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
11 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other nurse practitioners in Mequon 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy with evaluation and management visit, 30 minutes 8
Providers in WI who bill this service to Medicare most often.
Common questions
What is Tatyana P. Siminak's specialty?
Tatyana P. Siminak is a nurse practitioner in Mequon, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Tatyana P. Siminak?
Tatyana P. Siminak is listed at 11649 N Port Washington Rd Ste 221, Mequon, WI 53092. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Tatyana P. Siminak?
The number on file is (262) 912-1922. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Tatyana P. Siminak?
Tatyana P. Siminak's National Provider Identifier is 1366196685. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Tatyana P. Siminak's education?
Tatyana P. Siminak attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Tatyana P. Siminak have?
Tatyana P. Siminak has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What is Tatyana P. Siminak known for?
According to Medicare billing data, Tatyana P. Siminak provides treatments such as psychotherapy with evaluation and management visit, 30 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Tatyana P. Siminak's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Tatyana P. Siminak. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.