John Michael Kowalski, D.O.
Emergency Medicine Physician · Cinnaminson, NJ
John Michael Kowalski, D.O. is an emergency medicine physician with a practice address in Cinnaminson, New Jersey, and NPI 1447461389, issued on May 24, 2007. Check the license (New Jersey 25MB09401600, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Michael Kowalski
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 25MB09401600 NJ
OS015080 PA
Self-reported in NPPES; status is on the state search - Practice location
- 175 Route 130 S, Cinnaminson, NJ 08077
- Phone
- (856) 536-1640
- Enumerated
- May 24, 2007
- Record last updated
- Jul 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20100927001064); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2006
- Entity
- Type 1 · individual
Also registered at 175 Route 130 S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathleen Curtis, APNNurse Practitioner1376795070
- Selina Demetriou, APNFamily Nurse Practitioner1366165284
- Emilia Iwu, APNCNurse Practitioner1306848288
- Kristen Jacobs, NPFamily Nurse Practitioner1548815566
- Anne McCann Qualli, CRNP, DNPNurse Practitioner1679849269
- Kennedy Miller, PA-CPhysician Assistant1144823899
Verify John Michael Kowalski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MB09401600Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average emergency medicine physician in 2024
55 Medicare Part D claims for 41 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through 2 group practices
- Cep America LLCPhiladelphia, PA
- Einstein Practice Plan IncPhila, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Emergency Medicine Physician providers in New Jersey
There are 1,754 emergency medicine physician records in New Jersey.
Other emergency medicine physician records in New Jersey
- Jeneba Abass-Shereef, M.D.Jersey City, NJ1679960942
- Tareef Abbasi, MDClifton, NJ1427139617
- Mohammad Abboud, MDHackensack, NJ1881187359
- Moheb Abdelmalek, MDPerth Amboy, NJ1699776179
- Ibrahim Abdullah, M.D.Willingboro, NJ1649464140
- Kate Aberger, MDPaterson, NJ1821266719
- Vanessa Aboagye, DOPhillipsburg, NJ1750028437
- Adefris Adal, M.D.Jersey City, NJ1669728622
- Shivani AdhyaruMorristown, NJ1447754445
- David Adinaro, MDPaterson, NJ1114039849
Common questions
What is John Michael Kowalski, D.O.'s NPI number?
John Michael Kowalski, D.O.'s National Provider Identifier (NPI) is 1447461389, issued on May 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Michael Kowalski, D.O. located?
The NPPES record lists a practice address at 175 Route 130 S, Cinnaminson, NJ, 08077. Phone: (856) 536-1640. Providers update this record themselves, so call before visiting.
How can I verify John Michael Kowalski, D.O.'s license?
NPPES lists New Jersey license number 25MB09401600, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Michael Kowalski, D.O. prescribe under Medicare Part D?
In 2024, John Michael Kowalski, D.O. had 55 Medicare Part D claims for 41 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.