Internal Medicine, Gastroenterology · Palo Alto, CA
NPI
1801100300
Since 2010
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
300 Pasteur Dr
Palo Alto, CA, 94305
Phone (650) 723-4000
Groups this clinician bills Medicare through
Medicare paid, 2024
$96K
1,114 services
Medicare patients, 2024
579
Average age 70
Drug cost, 2024
$508K
1,560 prescriptions
Company payments, 2025
$5,157
From 4 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Irene S Sonu was code 91065 (test - miscellaneous), 147 times for 74 patients. In total Irene S Sonu billed 1,114 services in 50 codes, and Medicare paid $96K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2024-04-16.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 91065 Test - Miscellaneous | Office | 147 | 74 | $8.28 | $1,218 |
| 99213 Office E&M - Established | Office | 81 | 75 | $72.50 | $5,873 |
| 99214 Office E&M - Established | Office | 77 | 71 | $106.55 | $8,204 |
| 99204 Office E&M - New | Office | 73 | 73 | $141.07 | $10K |
| 43239 Upper GI Endoscopy | Office | 63 | 61 | $87.18 | $5,492 |
| 45380 Lower GI Endoscopy - Other | Office | 58 | 58 | $124.05 | $7,195 |
| 91120 Test - Miscellaneous | Office | 53 | 53 | $41.92 | $2,222 |
| 91122 Test - Miscellaneous | Office | 52 | 52 | $72.39 | $3,764 |
| 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 | 51 | 50 | $14.92 | $761 |
| 99215 Office E&M - Established | Office | 45 | 44 | $165.79 | $7,461 |
| 91037 Test - Miscellaneous | Office | 43 | 42 | $38.55 | $1,658 |
| 91010 Test - Miscellaneous | Office | 42 | 41 | $51.51 | $2,164 |
| 99222 Hospital E&M - Initial | Facility | 32 | 32 | $116.89 | $3,740 |
| 45385 Colonoscopy - Lesion Removal | Office | 22 | 22 | $249.40 | $5,487 |
| 91110 Standard X-ray | Office | 22 | 22 | $223.98 | $4,928 |
By year: 2022 $77K for 945 services; 2023 $82K for 1,049 services; 2024 $96K for 1,114 services.
Medicare prescription drug claims, 2024
In 2024, the drug Irene S Sonu prescribed most often to Medicare patients was Motegrity (Prucalopride Succinate), with 260 prescriptions and refills. In total Irene S Sonu wrote 1,560 Medicare prescriptions that cost $508K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Motegrity Prucalopride Succinate | 260 | 320 | 50 | $167K |
| Omeprazole Generic | 206 | 316 | 53 | $2,485 |
| Linzess Linaclotide | 145 | 180 | 39 | $96K |
| Pantoprazole Sodium Generic | 65 | 113 | 19 | $1,082 |
| Promethazine Hcl Generic | 61 | 61 | 19 | $1,278 |
| Esomeprazole Magnesium Generic | 56 | 100 | 19 | $2,806 |
| Pyridostigmine Bromide Generic | 55 | 89 | 16 | $3,283 |
| Peg 3350-Electrolyte Sodium Chloride/Nahco3/Kcl/Peg | 54 | 54 | 54 | $1,201 |
| Famotidine Generic | 53 | 104 | 13 | $860 |
| Ondansetron Odt Ondansetron | 47 | 47 | 11 | $1,238 |
| Mirtazapine Generic | 44 | 52 | 11 | $1,031 |
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 35 | 35 | 34 | $444 |
| Dexlansoprazole Dr Dexlansoprazole | 35 | 57 | Under 11 | $10K |
| Diphenoxylate-Atropine Diphenoxylate Hcl/Atropine | 29 | 30 | Under 11 | $1,426 |
| Xifaxan Rifaximin | 26 | 26 | 21 | $58K |
Brand drugs: - claims; generic drugs: 966 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Irene S Sonu $5,157 ($5,157 in general payments such as food, travel and fees) from 4 companies. The largest payer was AnX Robotica Corp with $4,825.
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.