John P. Kolnik, D.O.
Gastroenterology Physician · Haddon Heights, NJ
John P. Kolnik, D.O. is a gastroenterology physician with a practice address in Haddon Heights, New Jersey, and NPI 1902894496, issued on Oct 10, 2005. Check the license (New Jersey 25MB06094100, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John P. Kolnik
- Credential
- D.O.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 25MB06094100 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 217 White Horse Pike, Haddon Heights, NJ 08035
- Phone
- (856) 547-1661
- Enumerated
- Oct 10, 2005
- Record last updated
- Feb 23, 2026
- Fax
- (856) 547-6117
- Medicaid ID
- 727420303 NJ
- Medicare enrollment
- Enrolled (PECOS I20101021001199); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1992
- Entity
- Type 1 · individual
Also registered at 217 White Horse Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sandeep Bhargava, MDTransplant Hepatology Physician1437109741
- Theresa Disandro, DOGastroenterology Physician1750544391
- M Arif Hashmi, M.D.Gastroenterology Physician1497743975
- James Izanec, MDSpecialist1235356148
- Hemangkumar JavaiyaInternal Medicine Physician1952604464
- Terri Jordan-Cissorsky, NP-CFamily Nurse Practitioner1538552989
Verify John P. Kolnik 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 25MB06094100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average gastroenterology physician in 2024
2,448 Medicare Part D claims for 567 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Omeprazole476 claims
- Pantoprazole Sodium234 claims
- Famotidine190 claims
- Esomeprazole Magnesium113 claims
- Dicyclomine Hcl95 claims
- Dexlansoprazole Dr72 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $654.28
47 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Bills Medicare through one group practice
- Virtua Medical Group, PACamden, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
5 gastroenterology physician records list a practice address in Haddon Heights
They are 5 of the 244 NPPES records with a practice address in Haddon Heights, and 735 gastroenterology physician records in New Jersey.
All 5 in Haddon Heights → All 735 in New Jersey → Every provider in Haddon Heights →
Other gastroenterology physician records in New Jersey
- Bernard Aaron, M.D.Brick, NJ1962475566
- George Abdelsayed, MDNew Brunswick, NJ1144298613
- Rini Abraham, M.D.Montclair, NJ1285893321
- Melville Ackerman, MDMedford, NJ1598707580
- Faiz AfridiNewark, NJ1124480132
- Anil Agarwal, MDClifton, NJ1497704373
- Sudhir Agarwal, MDSuccasunna, NJ1215006275
- Aakash Aggarwal, MDHackensack, NJ1942597588
- Ahmed Ahmed, DOFort Lee, NJ1093219099
- Rafeeq Ahmed, M.DManahawkin, NJ1740411933
Common questions
What is John P. Kolnik, D.O.'s NPI number?
John P. Kolnik, D.O.'s National Provider Identifier (NPI) is 1902894496, issued on Oct 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John P. Kolnik, D.O. located?
The NPPES record lists a practice address at 217 White Horse Pike, Haddon Heights, NJ, 08035. Phone: (856) 547-1661. Providers update this record themselves, so call before visiting.
How can I verify John P. Kolnik, D.O.'s license?
NPPES lists New Jersey license number 25MB06094100, 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 P. Kolnik, D.O. prescribe under Medicare Part D?
In 2024, John P. Kolnik, D.O. had 2,448 Medicare Part D claims for 567 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is John P. Kolnik, D.O.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.