Internal Medicine, Nephrology · Santa Rosa, CA
NPI
1497998777
Since 2009
Specialty
Internal Medicine, Nephrology
Code 207RN0300X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
2301 Circadian Way, Suite A
Santa Rosa, CA, 95407
Phone (707) 526-2027
Groups this clinician bills Medicare through
Medicare paid, 2024
$330K
2,228 services
Medicare patients, 2024
656
Average age 73
Drug cost, 2024
$253K
1,750 prescriptions
Company payments, 2025
$153
From 3 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Eric L Cheung was code 99233 (hospital e&m - subsequent), 713 times for 207 patients. In total Eric L Cheung billed 2,228 services in 21 codes, and Medicare paid $330K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-06-22.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99233 Hospital E&M - Subsequent | Facility | 713 | 207 | $87.98 | $63K |
| 90960 ESRD Related Services (not dialysis) | Office | 606 | 132 | $271.68 | $165K |
| 99214 Office E&M - Established | Office | 338 | 248 | $62.89 | $21K |
| 99223 Hospital E&M - Initial | Facility | 143 | 125 | $126.48 | $18K |
| 90961 ESRD Related Services (not dialysis) | Office | 101 | 50 | $214.07 | $22K |
| 90962 ESRD Related Services (not dialysis) | Office | 96 | 55 | $156.55 | $15K |
| 99204 Office E&M - New | Office | 54 | 54 | $124.10 | $6,702 |
| 99442 Telephone Services | Office | 52 | 49 | $22.58 | $1,174 |
| 99291 Critical Care E&M | Facility | 46 | 26 | $155.52 | $7,154 |
| 90966 ESRD Related Services (not dialysis) | Office | 37 | 13 | $219.65 | $8,127 |
| 99205 Office E&M - New | Office | 11 | 11 | $171.38 | $1,885 |
By year: 2022 $245K for 1,688 services; 2023 $229K for 1,677 services; 2024 $330K for 2,228 services.
Medicare prescription drug claims, 2024
In 2024, the drug Eric L Cheung prescribed most often to Medicare patients was Amlodipine Besylate, with 182 prescriptions and refills. In total Eric L Cheung wrote 1,750 Medicare prescriptions that cost $253K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Amlodipine Besylate Generic | 182 | 459 | 60 | $1,165 |
| Sevelamer Carbonate Generic | 99 | 190 | 34 | $22K |
| Furosemide Generic | 93 | 231 | 34 | $560 |
| Allopurinol Generic | 91 | 245 | 29 | $906 |
| Prosol Parenteral Amino Acid 20% No.1 | 83 | 83 | Under 11 | $14K |
| Calcitriol Generic | 76 | 182 | 26 | $922 |
| Losartan Potassium Generic | 68 | 188 | 29 | $673 |
| Nifedipine Er Nifedipine | 55 | 130 | 16 | $2,064 |
| Lisinopril Generic | 55 | 148 | 23 | $232 |
| Metoprolol Succinate Generic | 53 | 125 | 18 | $1,188 |
| Carvedilol Generic | 43 | 100 | 15 | $247 |
| Clonidine Generic | 42 | 66 | 14 | $4,198 |
| Hydralazine Hcl Generic | 40 | 78 | 16 | $467 |
| Prednisone Generic | 40 | 66 | 12 | $131 |
| Tamsulosin Hcl Generic | 37 | 85 | 11 | $656 |
Brand drugs: 190 claims; generic drugs: 1,560 claims; opioid claims: 13.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Eric L Cheung $153 ($153 in general payments such as food, travel and fees) from 3 companies. The largest payer was Janssen Scientific Affairs, LLC with $107.
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.