Internal Medicine, Gastroenterology · Morristown, NJ
NPI
1962593947
Since 2006
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
2
Medicare group memberships
Hospitals
2
Hospital affiliations
101 Madison Ave
Morristown, NJ, 07960
Phone (973) 455-0404
Groups this clinician bills Medicare through
Medicare paid, 2024
$234K
2,123 services
Medicare patients, 2024
1,104
Average age 73
Drug cost, 2024
$1.9M
3,076 prescriptions
Company payments, 2025
$5,485
From 22 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Carl B Wallach was code 99214 (office e&m - established), 344 times for 279 patients. In total Carl B Wallach billed 2,123 services in 29 codes, and Medicare paid $234K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2014-09-08.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 344 | 279 | $104.32 | $36K |
| 99441 Telephone Services | Office | 279 | 185 | $45.70 | $13K |
| 99213 Office E&M - Established | Office | 247 | 187 | $74.46 | $18K |
| 43239 Upper GI Endoscopy | Facility | 227 | 225 | $91.21 | $21K |
| 45380 Lower GI Endoscopy - Other | Facility | 183 | 183 | $153.41 | $28K |
| 99442 Telephone Services | Office | 122 | 95 | $75.36 | $9,193 |
| G0105 Colorectal cancer screening; colonoscopy on individual at high risk | Facility | 120 | 120 | $195.73 | $23K |
| 99204 Office E&M - New | Office | 91 | 91 | $128.96 | $12K |
| 45385 Colonoscopy - Lesion Removal | Facility | 89 | 88 | $230.63 | $21K |
| 45378 Lower GI Endoscopy - Other | Facility | 87 | 87 | $154.04 | $13K |
| G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Facility | 83 | 83 | $198.48 | $16K |
| 99203 Office E&M - New | Office | 83 | 83 | $84.01 | $6,973 |
| 46221 Digestive/Gastrointestinal | Facility | 36 | 24 | $158.60 | $5,710 |
| 91065 Test - Miscellaneous | Office | 29 | 29 | $69.03 | $2,002 |
| 99202 Office E&M - New | Office | 25 | 25 | $54.75 | $1,369 |
By year: 2022 $240K for 2,281 services; 2023 $256K for 2,267 services; 2024 $234K for 2,123 services.
Medicare prescription drug claims, 2024
In 2024, the drug Carl B Wallach prescribed most often to Medicare patients was Pantoprazole Sodium, with 738 prescriptions and refills. In total Carl B Wallach wrote 3,076 Medicare prescriptions that cost $1.9M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Pantoprazole Sodium Generic | 738 | 1,613 | 216 | $9,034 |
| Famotidine Generic | 289 | 550 | 78 | $3,982 |
| Sutab Sod Sulf/Pot Chloride/Mag Sulf | 215 | 217 | 214 | $35K |
| Dicyclomine Hcl Generic | 142 | 282 | 66 | $2,436 |
| Omeprazole Generic | 138 | 355 | 44 | $2,600 |
| Dexlansoprazole Dr Dexlansoprazole | 122 | 200 | 24 | $34K |
| Linzess Linaclotide | 99 | 168 | 29 | $88K |
| Zenpep Lipase/Protease/Amylase | 98 | 144 | 17 | $288K |
| Metoclopramide Hcl Generic | 94 | 143 | 25 | $594 |
| Alosetron Hcl Generic | 85 | 101 | 15 | $37K |
| Mesalamine Generic | 84 | 164 | 21 | $21K |
| Diphenoxylate-Atropine Diphenoxylate Hcl/Atropine | 76 | 90 | 24 | $1,518 |
| Lubiprostone Generic | 67 | 103 | 22 | $10K |
| Esomeprazole Magnesium Generic | 61 | 134 | 18 | $1,445 |
| Budesonide Dr Budesonide | 48 | 71 | 12 | $5,204 |
Brand drugs: 811 claims; generic drugs: 2,265 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Carl B Wallach $5,485 ($5,485 in general payments such as food, travel and fees) from 22 companies. The largest payer was Pfizer Inc. with $3,420.
| Company | Payments | Amount |
|---|---|---|
| Pfizer Inc. PFE | 11 | $3,420 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC BHC | 29 | $381 |
| Abbvie Inc. ABBV | 20 | $320 |
| Phathom Pharmaceuticals, Inc. PHAT | 4 | $240 |
| Intercept Pharmaceuticals, Inc. | 6 | $228 |
| Janssen Biotech, Inc. JNJ | 10 | $173 |
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 6 | $103 |
| Ardelyx, Inc. ARDX | 6 | $102 |
| Aimmune Therapeutics, Inc. | 6 | $96.54 |
| Celltrion USA Inc. 068270.KS | 5 | $86.98 |
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.