Kenneth James Janowski, DO
Internal Medicine Physician · Hackettstown, NJ
Kenneth James Janowski, DO is an internal medicine physician with a practice address in Hackettstown, New Jersey, and NPI 1629017017, issued on Jun 4, 2006. Check the license (New Jersey 59720, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Kenneth James Janowski
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 59720 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 12 Country Meadow RD, Hackettstown, NJ 07840
- Phone
- (908) 850-6806
- Enumerated
- Jun 4, 2006
- Record last updated
- Jun 30, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (908) 850-6815
- Medicaid ID
- 6858601 NJ
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Verify Kenneth James Janowski 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 59720Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $28.71
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Kenneth James Janowski among 4,632 internal medicine physician records in New Jersey
Kenneth James Janowski, DO is one of 4,632 internal 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, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2010 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 internal medicine physician records list a practice address in Hackettstown
They are 26 of the 575 NPPES records with a practice address in Hackettstown, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Hackettstown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Antonella Auciello, M.D.Hackettstown, NJ 078401629064043
- Jimmy Chang, M.D.Hackettstown, NJ 078401629082300
- Devi Gollapudi, M.D.Hackettstown, NJ 078401841248036
- Keri Ingrassia-Squiers, DOHackettstown, NJ 078401467465203
- Uldis Jansons, MDHackettstown, NJ 078401255312054
- Sanjay Kavathia, M.D.Hackettstown, NJ 078401124078142
- Ahmad Maatouk, M.D.Hackettstown, NJ 078401790938066
- Jeffrey Merkle, MDHackettstown, NJ 078401295721165
Common questions
What is Kenneth James Janowski, DO's NPI number?
Kenneth James Janowski, DO's National Provider Identifier (NPI) is 1629017017, issued on Jun 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth James Janowski, DO located?
The NPPES record lists a practice address at 12 Country Meadow RD, Hackettstown, NJ, 07840. Phone: (908) 850-6806. Providers update this record themselves, so call before visiting.
How can I verify Kenneth James Janowski, DO's license?
NPPES lists New Jersey license number 59720, 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.
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.