Michael J. Ostrowski, PH.D.
Psychologist · Portage, WI
Michael J. Ostrowski, PH.D. is a psychologist with a practice address in Portage, Wisconsin, and NPI 1144252875, issued on Jul 6, 2006. Check the license (Wisconsin 1699-057, 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
- Michael J. Ostrowski
- Credential
- PH.D.
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 1699-057 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2901 Hunters Trl, Portage, WI 53901
- Phone
- (608) 742-5518
- Enumerated
- Jul 6, 2006
- Record last updated
- May 21, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (608) 742-4087
- Medicaid ID
- 39287000 WI
- Entity
- Type 1 · individual
8 nearest psychologist records → All 949 in Wisconsin → Look up another NPI →
Also registered at 2901 Hunters Trl
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Renee Birkholz, LPC-IT, SASCounselor1467826990
- Rene Buenzow, DNP, PMHNP-BC, APRNPsychiatric/Mental Health Nurse Practitioner1548214810
- Lori Cornell, LPCCounselor1376052035
- Natalie Craig, MSW, APSWClinical Social Worker1831761915
- Kimberly Crowell, MSWClinical Social Worker1992301683
- Lynne Cummings, PSY.D.Counseling Psychologist1760411730
Verify Michael J. Ostrowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 1699-057Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Michael J. Ostrowski among 949 psychologist records in Wisconsin
Michael J. Ostrowski, PH.D. is one of 949 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 62% newer
- In a Medicare fileNo · 27% of these records are
- In the CMS Doctors and Clinicians fileNo · 31% of these records are
- Record last updated2015 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 psychologist records list a practice address in Portage
They are 5 of the 343 NPPES records with a practice address in Portage, and 949 psychologist records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 949 in Wisconsin → Every provider in Portage → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Jill Dickson-Baures, PSY. D.Portage, WI 539011700287216
- Lori Greer, PSYDPortage, WI 539011922042126
- Lynn Hyland, PHDPortage, WI 539011407048564
- Jocelyn Miller, PHDPortage, WI 539011952345480
- Katherine Halley, PH.DBaraboo, WI 539131275727364
- Thomas Hayes, PH.D.Baraboo, WI 539131528001450
- Suzanne Hockley MurryBaraboo, WI 539131508083965
- Jessica Mijal, PSY.D, L.P.Baraboo, WI 539131982966958
Common questions
What is Michael J. Ostrowski, PH.D.'s NPI number?
Michael J. Ostrowski, PH.D.'s National Provider Identifier (NPI) is 1144252875, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael J. Ostrowski, PH.D. located?
The NPPES record lists a practice address at 2901 Hunters Trl, Portage, WI, 53901. Phone: (608) 742-5518. Providers update this record themselves, so call before visiting.
How can I verify Michael J. Ostrowski, PH.D.'s license?
NPPES lists Wisconsin license number 1699-057, 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.