Thomas A. Kowalenko, DO
Family Medicine Physician · Clark, NJ
Thomas A. Kowalenko, DO is a family medicine physician with a practice address in Clark, New Jersey, and NPI 1538136429, issued on Mar 1, 2006. Check the license (New Jersey 25MB06592500, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Thomas A. Kowalenko
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 25MB06592500 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 808 Raritan RD, Clark, NJ 07066
- Phone
- (732) 381-2100
- Enumerated
- Mar 1, 2006
- Record last updated
- Jul 27, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (732) 382-3576
- Medicaid ID
- 0026808 NJ
- Medicare enrollment
- Enrolled (PECOS I20110104000348); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1996
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,770 in New Jersey → Look up another NPI →
Verify Thomas A. Kowalenko 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 25MB06592500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average family medicine physician in 2024
945 Medicare Part D claims for 58 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate33 claims
- Metoprolol Succinate32 claims
- Levofloxacin29 claims
- Atorvastatin Calcium28 claims
- Azithromycin27 claims
- Diovan27 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.
Thomas A. Kowalenko among 2,770 family medicine physician records in New Jersey
Thomas A. Kowalenko, DO is one of 2,770 family medicine physician records with a practice address in New Jersey. 82% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1996 · median 2006 among the 1,875 with a school on file
- Record last updated2010 · 59% 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 New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 family medicine physician records list a practice address in Clark
They are 17 of the 394 NPPES records with a practice address in Clark, and 2,770 family medicine physician records in New Jersey.
All 2,770 in New Jersey → Every provider in Clark → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Xiao Chen, MDClark, NJ 070661366936742
- Adonis Cheng, DOClark, NJ 070661639589666
- Michael Genereux, D.O.Clark, NJ 070661245590231
- Alan Goldstein, MDClark, NJ 070661144219155
- Janae Hunter, MDClark, NJ 070661801250345
- Rubaba Hussain, M.D.Clark, NJ 070661194913681
- Waleed Ijaz, DOClark, NJ 070661043833106
- Rania Muhieddine, DOClark, NJ 070661134757834
Common questions
What is Thomas A. Kowalenko, DO's NPI number?
Thomas A. Kowalenko, DO's National Provider Identifier (NPI) is 1538136429, issued on Mar 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas A. Kowalenko, DO located?
The NPPES record lists a practice address at 808 Raritan RD, Clark, NJ, 07066. Phone: (732) 381-2100. Providers update this record themselves, so call before visiting.
How can I verify Thomas A. Kowalenko, DO's license?
NPPES lists New Jersey license number 25MB06592500, 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 Thomas A. Kowalenko, DO prescribe under Medicare Part D?
In 2024, Thomas A. Kowalenko, DO had 945 Medicare Part D claims for 58 beneficiaries; 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.