Stephan Siwiec, PHD
Clinical Psychologist · Madison, WI
Stephan Siwiec, PHD is a clinical psychologist with a practice address in Madison, Wisconsin, and NPI 1487509972, issued on Mar 2, 2026. Check the license (Wisconsin 3987-57, as entered in NPPES) with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Stephan Siwiec
- Credential
- PHD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 3987-57 WI
Self-reported in NPPES; status is on the state search - Practice location
- 6402 Odana RD Ste 304, Madison, WI 53719
- Phone
- (608) 465-4565
- Enumerated
- Mar 2, 2026
- Record last updated
- Mar 2, 2026
- Medicare enrollment
- Enrolled (PECOS I20260402001826); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 728 in Wisconsin → Look up another NPI →
Also registered at 6402 Odana RD Ste 304
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Keri Brown, PH.D.Clinical Psychologist1013209352
- Sabine Laliberte, LPC-ITProfessional Counselor1619808623
Verify Stephan Siwiec in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3987-57Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Stephan Siwiec among 728 clinical psychologist records in Wisconsin
Stephan Siwiec, PHD is one of 728 clinical psychologist records with a practice address in Wisconsin. 27% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2026, is newer than 98% of them.
- NPI issued2026 · 98% of these records are older, 0% newer
- In a Medicare fileNo · 27% of these records are
- In the CMS Doctors and Clinicians fileYes · 34% of these records are
- Graduated2019 · median 2009 among the 244 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Psychologist providers in Wisconsin
There are 728 clinical psychologist records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 728 in Wisconsin → Every provider in Madison → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Keri Brown, PH.D.Madison, WI 537191013209352
- Dennis Christoffersen, PSYDMadison, WI 537191881716447
- Kenneth Clark, PH.D.Madison, WI 537191942254560
- Linda Dunaway, PHDFitchburg, WI 537191326020553
- Richard Elwood, PHDMadison, WI 537191972541027
- Bruce Erdmann, PH.D.Madison, WI 537191992721997
- Christopher Gioia, PH.D.Madison, WI 537191689961294
- Gordon Herz, PHDMadison, WI 537191053314344
Common questions
What is Stephan Siwiec, PHD's NPI number?
Stephan Siwiec, PHD's National Provider Identifier (NPI) is 1487509972, issued on Mar 2, 2026. An NPI identifies a provider in billing; it is not a license.
Where is Stephan Siwiec, PHD located?
The NPPES record lists a practice address at 6402 Odana RD Ste 304, Madison, WI, 53719. Phone: (608) 465-4565. Providers update this record themselves, so call before visiting.
How can I verify Stephan Siwiec, PHD's license?
NPPES lists Wisconsin license number 3987-57, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.