Internal Medicine, Gastroenterology · Temple City, CA
NPI
1205193828
Since 2012
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
2
Medicare group memberships
Hospitals
1
Hospital affiliations
6271 Rosemead Blvd
Temple City, CA, 91780
Phone (626) 898-4560
Groups this clinician bills Medicare through
Medicare paid, 2024
$118K
1,164 services
Medicare patients, 2024
431
Average age 73
Drug cost, 2024
$1.1M
1,909 prescriptions
Company payments, 2025
$30K
From 13 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Ken D Nguyen was code 99214 (office e&m - established), 232 times for 164 patients. In total Ken D Nguyen billed 1,164 services in 48 codes, and Medicare paid $118K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2023-11-23.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 232 | 164 | $91.67 | $21K |
| 99204 Office E&M - New | Office | 112 | 112 | $125.90 | $14K |
| 43239 Upper GI Endoscopy | Facility | 101 | 101 | $63.68 | $6,432 |
| 99213 Office E&M - Established | Office | 86 | 80 | $69.57 | $5,983 |
| 45385 Colonoscopy - Lesion Removal | Facility | 61 | 61 | $198.44 | $12K |
| 45380 Lower GI Endoscopy - Other | Facility | 49 | 49 | $65.92 | $3,230 |
| 76700 Ultrasound - Abdomen and Pelvis | Office | 38 | 30 | $68.58 | $2,606 |
| 46221 Digestive/Gastrointestinal | Office | 34 | 13 | $245.57 | $8,349 |
| 99215 Office E&M - Established | Office | 33 | 24 | $134.68 | $4,445 |
| 99223 Hospital E&M - Initial | Facility | 33 | 33 | $134.40 | $4,435 |
| 99205 Office E&M - New | Office | 27 | 27 | $177.04 | $4,780 |
| 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 | 25 | 23 | $13.52 | $338 |
| 99203 Office E&M - New | Office | 22 | 22 | $73.40 | $1,615 |
| G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Facility | 20 | 20 | $183.80 | $3,676 |
| 99233 Hospital E&M - Subsequent | Facility | 19 | 15 | $97.62 | $1,855 |
By year: 2022 $144K for 1,361 services; 2023 $153K for 1,428 services; 2024 $118K for 1,164 services.
Medicare prescription drug claims, 2024
In 2024, the drug Ken D Nguyen prescribed most often to Medicare patients was Pantoprazole Sodium, with 305 prescriptions and refills. In total Ken D Nguyen wrote 1,909 Medicare prescriptions that cost $1.1M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Pantoprazole Sodium Generic | 305 | 614 | 100 | $3,045 |
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 173 | 173 | 167 | $2,535 |
| Omeprazole Generic | 164 | 265 | 40 | $1,191 |
| Linzess Linaclotide | 138 | 186 | 42 | $98K |
| Creon Lipase/Protease/Amylase | 101 | 120 | 34 | $307K |
| Dexlansoprazole Dr Dexlansoprazole | 92 | 142 | 25 | $22K |
| Voquezna Vonoprazan Fumarate | 89 | 120 | 24 | $74K |
| Peg-3350 And Electrolytes Peg3350/Sod Sulf,bicarb,cl/Kcl | 68 | 68 | 66 | $1,111 |
| Vemlidy Tenofovir Alafenamide | 67 | 69 | Under 11 | $98K |
| Famotidine Generic | 61 | 90 | 18 | $395 |
| Sucralfate Generic | 49 | 65 | 16 | $2,546 |
| Zenpep Lipase/Protease/Amylase | 34 | 40 | Under 11 | $158K |
| Hydrocortisone Generic | 32 | 32 | 11 | $451 |
| Ibsrela Tenapanor Hcl | 32 | 32 | Under 11 | $56K |
| Mirtazapine Generic | 29 | 47 | Under 11 | $197 |
Brand drugs: - claims; generic drugs: 1,250 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Ken D Nguyen $30K ($30K in general payments such as food, travel and fees) from 13 companies. The largest payer was Abbvie Inc. with $13K.
| Company | Payments | Amount |
|---|---|---|
| Abbvie Inc. ABBV | 53 | $13K |
| Ardelyx, Inc. ARDX | 19 | $7,896 |
| Phathom Pharmaceuticals, Inc. PHAT | 17 | $7,439 |
| Boston Scientific Corporation BSX | 12 | $669 |
| Madrigal Pharmaceuticals MDGL | 16 | $547 |
| Janssen Biotech, Inc. JNJ | 20 | $353 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC BHC | 11 | $279 |
| Gilead Sciences, Inc. GILD | 8 | $165 |
| Pfizer Inc. PFE | 6 | $120 |
| QOL Medical, LLC | 3 | $63.57 |
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.