Internal Medicine, Gastroenterology · Irvine, CA
NPI
1508893363
Since 2006
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
18 Endeavor, Suite 204
Irvine, CA, 92618
Phone (949) 727-2035
Groups this clinician bills Medicare through
Medicare paid, 2024
$141K
1,526 services
Medicare patients, 2024
696
Average age 74
Drug cost, 2024
$286K
1,959 prescriptions
Company payments, 2025
$912
From 5 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by David J Kaufman was code G0500 (moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito), 301 times for 299 patients. In total David J Kaufman billed 1,526 services in 26 codes, and Medicare paid $141K.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2009-01-28.
| Code | Setting | Services | Patients | Paid per service | Medicare paid |
|---|---|---|---|---|---|
| G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | Facility | 301 | 299 | $4.53 | $1,363 |
| 45380 Lower GI Endoscopy - Other | Facility | 214 | 214 | $130.18 | $28K |
| 99214 Office E&M - Established | Office | 187 | 155 | $100.35 | $19K |
| 99204 Office E&M - New | Office | 159 | 159 | $128.34 | $20K |
| 43239 Upper GI Endoscopy | Facility | 154 | 152 | $73.55 | $11K |
| 99213 Office E&M - Established | Office | 133 | 105 | $67.65 | $8,998 |
| 99203 Office E&M - New | Office | 102 | 102 | $85.98 | $8,770 |
| 45385 Colonoscopy - Lesion Removal | Facility | 98 | 98 | $195.34 | $19K |
| G0105 Colorectal cancer screening; colonoscopy on individual at high risk | Facility | 55 | 55 | $187.91 | $10K |
| G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Facility | 27 | 27 | $188.52 | $5,090 |
| 45378 Lower GI Endoscopy - Other | Facility | 21 | 21 | $143.29 | $3,009 |
| 43450 Digestive/Gastrointestinal | Facility | 18 | 17 | $33.07 | $595 |
| 43235 Upper GI Endoscopy | Facility | 15 | 15 | $80.50 | $1,208 |
By year: 2022 $141K for 1,463 services; 2023 $140K for 1,500 services; 2024 $141K for 1,526 services.
Medicare prescription drug claims, 2024
In 2024, the drug David J Kaufman prescribed most often to Medicare patients was Famotidine, with 408 prescriptions and refills. In total David J Kaufman wrote 1,959 Medicare prescriptions that cost $286K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Famotidine Generic | 408 | 989 | 130 | $7,480 |
| Pantoprazole Sodium Generic | 377 | 879 | 124 | $3,443 |
| Omeprazole Generic | 206 | 575 | 72 | $2,932 |
| Dicyclomine Hcl Generic | 79 | 142 | 28 | $2,811 |
| Diphenoxylate-Atropine Diphenoxylate Hcl/Atropine | 52 | 62 | 12 | $1,322 |
| Ondansetron Odt Ondansetron | 50 | 52 | 24 | $877 |
| Budesonide Ec Budesonide | 49 | 96 | 16 | $18K |
| Sucralfate Generic | 48 | 70 | 20 | $3,188 |
| Metronidazole Generic | 43 | 43 | 34 | $456 |
| Creon Lipase/Protease/Amylase | 39 | 44 | Under 11 | $87K |
| Budesonide Dr Budesonide | 33 | 52 | 13 | $2,966 |
| Mesalamine Generic | 32 | 76 | Under 11 | $7,685 |
| Cholestyramine Light Cholestyramine | 32 | 51 | 14 | $2,650 |
| Balsalazide Disodium Generic | 30 | 90 | Under 11 | $5,685 |
| Amitriptyline Hcl Generic | 27 | 53 | Under 11 | $130 |
Brand drugs: 158 claims; generic drugs: 1,801 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid David J Kaufman $912 ($912 in general payments such as food, travel and fees) from 5 companies. The largest payer was Abbvie Inc. with $668.
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.