Doctor profile · Federal record
Dr. David Kaufman, D.O.
Gastroenterology Physician (CMS: Gastroenterology) · Irvine, CA
- NPI 1508893363
- Accepts Medicare
- MIPS 67.6 / 100 · 2023
- 28 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
18 Endeavor, Suite 204
Irvine, CA 926183164
(949) 727-2035
fax (949) 727-2141
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- January 28, 2009
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #20A8799
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508893363. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,451
Distinct HCPCS
10
Medicare allowed
$179,224
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
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 | 270 | 267 | $6 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 183 | 183 | $186 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 179 | 155 | $138 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 178 | 124 | $97 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 161 | 161 | $178 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 148 | 147 | $103 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 116 | 116 | $122 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 91 | 90 | $265 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 43 | 43 | $189 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 25 | 25 | $192 |
In context: peer comparison
Among 8 peers in Irvine Gastroenterology Physician, average services per provider: 89. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$1,000
Transactions
53
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 28 | $413.22 | |
| Genzyme Corporation | 11 | $276.11 | |
| Takeda Pharmaceuticals U.S.A., INC. | 6 | $104.07 | |
| Madrigal Pharmaceuticals | 2 | $86.06 | |
| Janssen Biotech, INC. | 3 | $52.14 | |
| Regeneron Healthcare Solutions, INC. | 2 | $45.72 | |
| Lilly USA, LLC | 1 | $23.07 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,608
Patients
526
Total drug cost
$178,830
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Famotidine | Generic | 452 | 145 | $9,045 |
| Pantoprazole Sodium | Generic | 352 | 117 | $5,073 |
| Omeprazole | Generic | 243 | 72 | $2,974 |
| Dicyclomine Hcl | Generic | 87 | 32 | $4,084 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 73 | 16 | $2,998 |
| Ondansetron Odt (Ondansetron) | Brand | 72 | 28 | $1,355 |
| Metoclopramide Hcl | Generic | 44 | 0 | $405 |
| Metronidazole | Generic | 43 | 35 | $361 |
| Creon (Lipase/Protease/Amylase) | Brand | 39 | 0 | $81,417 |
| Budesonide Ec (Budesonide) | Brand | 38 | 13 | $18,564 |
Hospital affiliations
Frequently asked questions
What is Dr. David Kaufman's medical specialty?
Dr. David Kaufman practices Gastroenterology Physician in Irvine, CA.
Where does Dr. David Kaufman practice?
Dr. David Kaufman practices at 18 Endeavor, Irvine, CA 926183164. Office phone: 9497272035.
What is Dr. David Kaufman's NPI?
Dr. David Kaufman's National Provider Identifier (NPI) is 1508893363, issued by NPPES.
Does Dr. David Kaufman accept Medicare assignment?
Yes. Dr. David Kaufman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Kaufman commonly perform?
Top Medicare-reported procedures in 2023: 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 (HCPCS G0500); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.