Internal Medicine, Gastroenterology · Haddon Heights, NJ
NPI
1902894496
Since 2005
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
120 White Horse Pike Ste 103e
Haddon Heights, NJ, 08035
Phone (856) 547-1661
Groups this clinician bills Medicare through
Medicare paid, 2024
$114K
1,070 services
Medicare patients, 2024
614
Average age 74
Drug cost, 2024
$686K
2,448 prescriptions
Company payments, 2025
$924
From 10 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by John P Kolnik was code 99213 (office e&m - established), 233 times for 203 patients. In total John P Kolnik billed 1,070 services in 39 codes, and Medicare paid $114K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-08-14.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Office | 233 | 203 | $74.25 | $17K |
| 99232 Hospital E&M - Subsequent | Facility | 163 | 89 | $69.31 | $11K |
| 99214 Office E&M - Established | Office | 155 | 137 | $103.98 | $16K |
| 43239 Upper GI Endoscopy | Facility | 105 | 103 | $82.10 | $8,621 |
| 45380 Lower GI Endoscopy - Other | Facility | 79 | 79 | $153.31 | $12K |
| 45385 Colonoscopy - Lesion Removal | Facility | 63 | 63 | $234.22 | $15K |
| 99203 Office E&M - New | Office | 54 | 54 | $77.18 | $4,168 |
| 99222 Hospital E&M - Initial | Facility | 48 | 48 | $113.61 | $5,453 |
| 45378 Lower GI Endoscopy - Other | Facility | 36 | 36 | $139.66 | $5,028 |
| 99204 Office E&M - New | Office | 25 | 25 | $114.96 | $2,874 |
| 43248 Upper GI Endoscopy | Facility | 15 | 15 | $125.85 | $1,888 |
| 99223 Hospital E&M - Initial | Facility | 11 | 11 | $148.80 | $1,637 |
By year: 2022 $155K for 8,136 services; 2023 $138K for 4,628 services; 2024 $114K for 1,070 services.
Medicare prescription drug claims, 2024
In 2024, the drug John P Kolnik prescribed most often to Medicare patients was Omeprazole, with 476 prescriptions and refills. In total John P Kolnik wrote 2,448 Medicare prescriptions that cost $686K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Omeprazole Generic | 476 | 1,359 | 164 | $7,402 |
| Pantoprazole Sodium Generic | 234 | 684 | 83 | $4,089 |
| Famotidine Generic | 190 | 492 | 63 | $2,495 |
| Esomeprazole Magnesium Generic | 113 | 298 | 32 | $6,915 |
| Dicyclomine Hcl Generic | 95 | 189 | 39 | $2,971 |
| Dexlansoprazole Dr Dexlansoprazole | 72 | 196 | 26 | $38K |
| Amitriptyline Hcl Generic | 68 | 197 | 25 | $1,085 |
| Diphenoxylate-Atropine Diphenoxylate Hcl/Atropine | 67 | 77 | 25 | $2,052 |
| Lansoprazole Generic | 65 | 167 | 23 | $3,729 |
| Sucralfate Generic | 63 | 118 | 22 | $11K |
| Mirtazapine Generic | 53 | 127 | 22 | $989 |
| Ondansetron Hcl Generic | 49 | 49 | 21 | $223 |
| Mesalamine Generic | 49 | 127 | 13 | $32K |
| Colesevelam Hcl Generic | 40 | 56 | 13 | $3,758 |
| Viberzi Eluxadoline | 38 | 56 | Under 11 | $68K |
Brand drugs: - claims; generic drugs: 2,117 claims; opioid claims: 17.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid John P Kolnik $924 ($924 in general payments such as food, travel and fees) from 10 companies. The largest payer was Abbvie Inc. with $328.
| Company | Payments | Amount |
|---|---|---|
| Abbvie Inc. ABBV | 23 | $328 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC BHC | 19 | $281 |
| Phathom Pharmaceuticals, Inc. PHAT | 16 | $159 |
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 3 | $53.5 |
| Aimmune Therapeutics, Inc. | 1 | $19.01 |
| Ardelyx, Inc. ARDX | 1 | $18.08 |
| Pfizer Inc. PFE | 1 | $17.83 |
| Ge Healthcare GEHC | 1 | $16.82 |
| Braintree Laboratories, Inc. | 1 | $15.87 |
| Azurity Pharmaceuticals, Inc. | 1 | $14.89 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.