Joseph S. Kozlowski, D.O.
Family Medicine Physician · Lansing, MI
Joseph S. Kozlowski, D.O. is a family medicine physician with a practice address in Lansing, Michigan, and NPI 1366420432, issued on Jan 9, 2006. Check the license (Michigan 5101007058, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Joseph S. Kozlowski
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 5101007058 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1003 E Mount Hope Ave, Lansing, MI 48910
- Phone
- (517) 853-3704
- Enumerated
- Jan 9, 2006
- Record last updated
- Aug 28, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (517) 853-3701
- Medicaid ID
- 1366420432 MI
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 1003 E Mount Hope Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adam Farnum, NPFamily Nurse Practitioner1871175638
- Anthony Meier, MDInternal Medicine Physician1134236268
- Cattleya Nery, NPPrimary Care Nurse Practitioner1841919057
Verify Joseph S. Kozlowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101007058Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
54 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Losartan Potassium13 claims
- Meloxicam13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Joseph S. Kozlowski among 6,013 family medicine physician records in Michigan
Joseph S. Kozlowski, D.O. is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 56% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2015 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
176 family medicine physician records list a practice address in Lansing
They are 176 of the 5,276 NPPES records with a practice address in Lansing, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Lansing → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Peter Cotey, D.O.Lansing, MI 489101174708622
- Thomas Floyd, D.O.Lansing, MI 489101992887905
- Frederick Hogan, DOLansing, MI 489101801974050
- Madeline Lewis, DOLansing, MI 489101386635654
- Geoffrey Linz, MDLansing, MI 489101952363921
- Sarala Masti, MDLansing, MI 489101306823133
- Diane Mater, DOLansing, MI 489101932316114
- Trinh Nguyen, DOLansing, MI 489101952382517
Common questions
What is Joseph S. Kozlowski, D.O.'s NPI number?
Joseph S. Kozlowski, D.O.'s National Provider Identifier (NPI) is 1366420432, issued on Jan 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph S. Kozlowski, D.O. located?
The NPPES record lists a practice address at 1003 E Mount Hope Ave, Lansing, MI, 48910. Phone: (517) 853-3704. Providers update this record themselves, so call before visiting.
How can I verify Joseph S. Kozlowski, D.O.'s license?
NPPES lists Michigan license number 5101007058, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joseph S. Kozlowski, D.O. prescribe under Medicare Part D?
In 2024, Joseph S. Kozlowski, D.O. had 54 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions 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.