Internal Medicine, Gastroenterology · Riverside, CA
NPI
1760438873
Since 2006
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
1
Medicare group memberships
Hospitals
0
Hospital affiliations
10800 Magnolia Ave
Riverside, CA, 92505
Phone (951) 353-5538
Groups this clinician bills Medicare through
Medicare paid, 2024
$3,247
22 services
Medicare patients, 2024
14
Average age 65
Drug cost, 2024
$567K
1,201 prescriptions
Company payments, 2025
$22.9
From 1 companies
Medicare prescription drug claims, 2024
In 2024, the drug Charles T Chaya prescribed most often to Medicare patients was Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl), with 396 prescriptions and refills. In total Charles T Chaya wrote 1,201 Medicare prescriptions that cost $567K.
| Drug |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2021-11-29.
| Claims |
|---|
| 30-day fills |
|---|
| Patients |
|---|
| Cost |
|---|
| Gavilyte-C Peg3350/Sod Sulf,bicarb,cl/Kcl | 396 | 405 | 369 | $8,978 |
| Omeprazole Generic | 228 | 653 | 93 | $3,136 |
| Pantoprazole Sodium Generic | 135 | 413 | 48 | $1,751 |
| Cholestyramine Light Cholestyramine | 42 | 109 | 26 | $7,759 |
| Linzess Linaclotide | 36 | 82 | Under 11 | $49K |
| Ondansetron Odt Ondansetron | 30 | 30 | Under 11 | $266 |
| Sucralfate Generic | 29 | 38 | 11 | $1,701 |
| Mesalamine Generic | 25 | 73 | Under 11 | $6,688 |
| Mirtazapine Generic | 23 | 76 | 14 | $305 |
| Stelara Ustekinumab | 23 | 38 | Under 11 | $391K |
| Ursodiol Generic | 20 | 51 | Under 11 | $3,330 |
| Azathioprine Generic | 19 | 47 | Under 11 | $411 |
| Ciprofloxacin Hcl Generic | 14 | 14 | 14 | $96.11 |
| Furosemide Generic | 11 | 37 | Under 11 | $128 |
| Balsalazide Disodium Generic | 11 | 34 | Under 11 | $4,795 |
Brand drugs: - claims; generic drugs: 1,061 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Charles T Chaya $22.9 ($22.9 in general payments such as food, travel and fees) from 1 company. The largest payer was Boston Scientific Corporation with $22.9.
| Company | Payments | Amount |
|---|---|---|
| Boston Scientific Corporation BSX | 1 | $22.9 |
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.