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STEPHAN SIWIEC PHD
NPI 1487509972
Psychologist - Clinical in Madison, WI

Active since March 02, 2026PECOS Enrolled
6402 ODANA RD STE 304, MADISON, WI 53719(608) 465-4565 Get Directions Write a Review

NPPES record last updated: March 2, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Stephan Siwiec Phd NPPES

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

STEPHAN SIWIEC PHD (NPI 1487509972) is an individual clinical provider in Madison, Wisconsin, licensed in Wisconsin (3987-57) and active in the NPI registry since March 2026. He is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1487509972
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameSTEPHAN SIWIECCredential: PHD
Location Address6402 ODANA RD STE 304Madison, WI 53719-1123
Mailing Address4501 Bellingrath StMcfarland, WI 53558-8752 · (617) 721-3480
Phone(608) 465-4565
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 2, 2026
NPPES CertifiedMarch 2, 2026
✔ NPI 1487509972 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in WI · 3987-57
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
6402 ODANA RD STE 304, Madison, WI 53719
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephan Siwiec Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID840775268
PECOS Enrollment IDI20260402001826
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53719 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
$163.24 typical visit price
range $53.90 – $163.24
Typical copayment $40.81 (range $13.47 – $40.81)
Most-billed visit code 99205
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 3

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

DR. KERI R BROWN PH.D.
Psychologist (Clinical)
6402 ODANA RD STE 304
MADISON, WI 53719
Dane County (419) 989-5532
KERI BROWN PHD, LLC DBA PURE OCD THERAPY
Clinic/Center (Mental Health (Including Community Mental Health Center))
6402 ODANA RD STE 304
MADISON, WI 53719
Dane County (608) 370-2345
SABINE LALIBERTE LPC-IT
Counselor (Professional)
6402 ODANA RD STE 304
MADISON, WI 53719
Dane County (608) 370-2345

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 Stephan Siwiec's NPI number?

The NPI number for Stephan Siwiec is 1487509972. It was assigned to this individual provider in the NPPES registry on March 2, 2026.

Where is Stephan Siwiec located?

Stephan Siwiec practices at 6402 Odana Rd Ste 304, Madison, WI 53719. The listed phone number is (608) 465-4565.

What is Stephan Siwiec's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Stephan Siwiec enrolled in Medicare?

Yes. Stephan Siwiec is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Stephan Siwiec was last updated on March 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.