Lawrence Koszewski, PHD
Psychologist · Milwaukee, WI
Lawrence Koszewski, PHD is a psychologist with a practice address in Milwaukee, Wisconsin, and NPI 1275679680, issued on Jan 30, 2007. Check the license (Wisconsin 1522-057, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lawrence Koszewski
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 1522-057 WI
Self-reported in NPPES; status is on the state search - Practice location
- 9455 W Watertown Plank RD, Milwaukee, WI 53226
- Phone
- (414) 257-6995
- Enumerated
- Jan 30, 2007
- Record last updated
- Sep 30, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110210001179); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychologist records → All 949 in Wisconsin → Look up another NPI →
Also registered at 9455 W Watertown Plank RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lawrence Koszewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 1522-057Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Froedtert Andthe Medical College OF Wisconsin Community Physicians IncMenomonee Falls, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lawrence Koszewski among 949 psychologist records in Wisconsin
Lawrence Koszewski, PHD 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. Its NPI, issued in 2007, is newer than 38% of them.
- NPI issued2007 · 38% of these records are older, 47% newer
- In a Medicare fileYes · 27% of these records are
- In the CMS Doctors and Clinicians fileYes · 31% of these records are
- Graduated1989 · median 2006 among the 292 with a school on file
- Record last updated2008 · 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).
199 psychologist records list a practice address in Milwaukee
They are 199 of the 18,389 NPPES records with a practice address in Milwaukee, and 949 psychologist records in Wisconsin.
All 949 in Wisconsin → Every provider in Milwaukee → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Kimberly Anderson Khan, PSYDMilwaukee, WI 532261932153053
- Jennifer Apps, PHDMilwaukee, WI 532261700837226
- Bertrand Berger, PHDMilwaukee, WI 532261093766446
- Kristin Bingen, PHDMilwaukee, WI 532261104877547
- Rebecca Cogwell Anderson, PHDMilwaukee, WI 532261386695435
- Brad Grunert, PHDMilwaukee, WI 532261588615330
- Darrell Hischke, PH.D.Milwaukee, WI 532261932105392
- George Jacobson, PHDMilwaukee, WI 532261811948656
Common questions
What is Lawrence Koszewski, PHD's NPI number?
Lawrence Koszewski, PHD's National Provider Identifier (NPI) is 1275679680, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lawrence Koszewski, PHD located?
The NPPES record lists a practice address at 9455 W Watertown Plank RD, Milwaukee, WI, 53226. Phone: (414) 257-6995. Providers update this record themselves, so call before visiting.
How can I verify Lawrence Koszewski, PHD's license?
NPPES lists Wisconsin license number 1522-057, 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. Medicare files from data.cms.gov. 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.