Internal Medicine, Gastroenterology · San Ramon, CA
NPI
1386654200
Since 2006
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
1
Medicare group memberships
Hospitals
3
Hospital affiliations
5801 Norris Canyon Rd, Suite 230
San Ramon, CA, 94583
Phone (925) 275-9966
Groups this clinician bills Medicare through
Medicare paid, 2024
$145K
1,235 services
Medicare patients, 2024
519
Average age 75
Drug cost, 2024
$638K
1,859 prescriptions
Company payments, 2025
$2,871
From 18 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by David T Wong was code 99214 (office e&m - established), 342 times for 231 patients. In total David T Wong billed 1,235 services in 40 codes, and Medicare paid $145K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2024-06-25.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 342 | 231 | $101.13 | $35K |
| 43239 Upper GI Endoscopy | Facility | 165 | 157 | $64.66 | $11K |
| 99204 Office E&M - New | Office | 140 | 140 | $128.06 | $18K |
| 45385 Colonoscopy - Lesion Removal | Facility | 106 | 104 | $212.51 | $23K |
| 45378 Lower GI Endoscopy - Other | Facility | 55 | 55 | $146.35 | $8,049 |
| G0105 Colorectal cancer screening; colonoscopy on individual at high risk | Facility | 48 | 48 | $190.17 | $9,128 |
| 99202 Office E&M - New | Facility | 45 | 45 | $28.53 | $1,284 |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 40 | 36 | $13.18 | $527 |
| G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Facility | 37 | 37 | $190.63 | $7,053 |
| 45380 Lower GI Endoscopy - Other | Facility | 29 | 29 | $106.65 | $3,093 |
| 99233 Hospital E&M - Subsequent | Facility | 28 | 16 | $98.06 | $2,746 |
| 99215 Office E&M - Established | Office | 25 | 22 | $144.36 | $3,609 |
| 99223 Hospital E&M - Initial | Facility | 20 | 19 | $143.26 | $2,865 |
| 43248 Upper GI Endoscopy | Facility | 19 | 19 | $95.47 | $1,814 |
| 99232 Hospital E&M - Subsequent | Facility | 18 | 11 | $64.88 | $1,168 |
By year: 2022 $223K for 1,753 services; 2023 $214K for 1,666 services; 2024 $145K for 1,235 services.
Medicare prescription drug claims, 2024
In 2024, the drug David T Wong prescribed most often to Medicare patients was Omeprazole, with 664 prescriptions and refills. In total David T Wong wrote 1,859 Medicare prescriptions that cost $638K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Omeprazole Generic | 664 | 1,836 | 213 | $9,625 |
| Pantoprazole Sodium Generic | 275 | 788 | 83 | $4,728 |
| Famotidine Generic | 187 | 493 | 70 | $2,558 |
| Misoprostol Generic | 108 | 171 | 39 | $6,438 |
| Sod Sulf-Potass Sulf-Mag Sulf Sodium, Potassium,mag Sulfates | 89 | 89 | 88 | $6,072 |
| Dexlansoprazole Dr Dexlansoprazole | 58 | 122 | 12 | $18K |
| Linzess Linaclotide | 54 | 92 | 14 | $47K |
| Sutab Sod Sulf/Pot Chloride/Mag Sulf | 53 | 53 | 53 | $8,487 |
| Sucralfate Generic | 52 | 93 | 21 | $1,960 |
| Vemlidy Tenofovir Alafenamide | 36 | 36 | Under 11 | $57K |
| Lansoprazole Generic | 27 | 81 | Under 11 | $2,314 |
| Mesalamine Generic | 21 | 39 | Under 11 | $5,806 |
| Lubiprostone Generic | 19 | 36 | Under 11 | $3,238 |
| Baraclude Entecavir | 15 | 15 | Under 11 | $20K |
| Suflave Peg 3350/Sod Sulf,chlr/Pot/Mag | 15 | 15 | 15 | $1,820 |
Brand drugs: 342 claims; generic drugs: 1,517 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid David T Wong $2,871 ($2,871 in general payments such as food, travel and fees) from 18 companies. The largest payer was Abbvie Inc. with $732.
| Company | Payments | Amount |
|---|---|---|
| Abbvie Inc. ABBV | 32 | $732 |
| Janssen Biotech, Inc. JNJ | 11 | $411 |
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 15 | $397 |
| Madrigal Pharmaceuticals MDGL | 8 | $358 |
| Intuitive Surgical, Inc. ISRG | 2 | $169 |
| Mallinckrodt Hospital Products Inc. | 1 | $150 |
| Pfizer Inc. PFE | 5 | $124 |
| Ardelyx, Inc. ARDX | 5 | $116 |
| Aimmune Therapeutics, Inc. | 3 | $81.04 |
| Intercept Pharmaceuticals, Inc. | 3 | $72.2 |
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.