Internal Medicine, Gastroenterology · Garden Grove, CA
NPI
1982698957
Since 2005
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
1
Medicare group memberships
Hospitals
0
Hospital affiliations
12665 Garden Grove Blvd, Suite 304
Garden Grove, CA, 92843
Phone (714) 537-5302
Groups this clinician bills Medicare through
Medicare paid, 2024
$118K
1,089 services
Medicare patients, 2024
595
Average age 72
Drug cost, 2024
$1.3M
2,213 prescriptions
Company payments, 2025
$7,862
From 12 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Quang Q Phan was code 99214 (office e&m - established), 364 times for 243 patients. In total Quang Q Phan billed 1,089 services in 12 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: 2007-07-08.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 364 | 243 | $67.41 | $25K |
| 99204 Office E&M - New | Office | 335 | 335 | $105.22 | $35K |
| 45385 Colonoscopy - Lesion Removal | Facility | 112 | 112 | $197.49 | $22K |
| 43239 Upper GI Endoscopy | Facility | 87 | 87 | $104.92 | $9,128 |
| 45380 Lower GI Endoscopy - Other | Facility | 76 | 76 | $145.37 | $11K |
| 45378 Lower GI Endoscopy - Other | Facility | 58 | 58 | $137.47 | $7,973 |
| G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Facility | 27 | 27 | $188.52 | $5,090 |
| 43235 Upper GI Endoscopy | Facility | 14 | 14 | $101.16 | $1,416 |
By year: 2022 $94K for 907 services; 2023 $101K for 973 services; 2024 $118K for 1,089 services.
Medicare prescription drug claims, 2024
In 2024, the drug Quang Q Phan prescribed most often to Medicare patients was Vemlidy (Tenofovir Alafenamide), with 630 prescriptions and refills. In total Quang Q Phan wrote 2,213 Medicare prescriptions that cost $1.3M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Vemlidy Tenofovir Alafenamide | 630 | 677 | 76 | $957K |
| Sod Sulf-Potass Sulf-Mag Sulf Sodium, Potassium,mag Sulfates | 366 | 366 | 365 | $23K |
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 228 | 228 | 227 | $4,666 |
| Entecavir Generic | 197 | 470 | 43 | $70K |
| Tenofovir Disoproxil Fumarate Generic | 92 | 212 | 24 | $28K |
| Peg-3350 And Electrolytes Peg3350/Sod Sulf,bicarb,cl/Kcl | 69 | 69 | 67 | $1,314 |
| Omeprazole Generic | 68 | 164 | 46 | $762 |
| Pantoprazole Sodium Generic | 60 | 115 | 25 | $509 |
| Famotidine Generic | 55 | 127 | 35 | $452 |
| Ursodiol Generic | 46 | 88 | 11 | $8,798 |
| Gavilyte-C Peg3350/Sod Sulf,bicarb,cl/Kcl | 31 | 31 | 31 | $585 |
| Baclofen Generic | 27 | 38 | 11 | $806 |
| Dicyclomine Hcl Generic | 27 | 28 | 12 | $276 |
| Talicia Omeprazole/Amoxicill/Rifabutin | 25 | 25 | 25 | $19K |
| Suprep Sodium, Potassium,mag Sulfates | 25 | 25 | 25 | $2,690 |
Brand drugs: 856 claims; generic drugs: 1,357 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Quang Q Phan $7,862 ($7,862 in general payments such as food, travel and fees) from 12 companies. The largest payer was Gilead Sciences, Inc. with $6,559.
| Company | Payments | Amount |
|---|---|---|
| Gilead Sciences, Inc. GILD | 12 | $6,559 |
| Galderma Laboratories, L.P. GALD.SW | 2 | $269 |
| Medtronic, Inc. MDT | 1 | $143 |
| Madrigal Pharmaceuticals MDGL | 1 | $138 |
| Janssen Biotech, Inc. JNJ | 1 | $131 |
| Abbvie Inc. ABBV | 1 | $125 |
| Aimmune Therapeutics, Inc. | 1 | $125 |
| LEO Pharma Inc. | 1 | $122 |
| Boston Scientific Corporation BSX | 2 | $114 |
| Celltrion USA Inc. 068270.KS | 1 | $94.88 |
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.