Internal Medicine, Nephrology · Chicago, IL
NPI
1417474669
Since 2017
Specialty
Internal Medicine, Nephrology
Code 207RN0300X
Group practices
2
Medicare group memberships
Hospitals
3
Hospital affiliations
1740 W Taylor St
Chicago, IL, 60612
Phone (866) 600-2273
Groups this clinician bills Medicare through
Medicare paid, 2024
$69K
667 services
Medicare patients, 2024
238
Average age 56
Drug cost, 2024
$872K
3,934 prescriptions
Company payments, 2025
$227
From 3 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Walaa Dabbas was code 99215 (office e&m - established), 333 times for 147 patients. In total Walaa Dabbas billed 667 services in 16 codes, and Medicare paid $69K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2025-02-24.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99215 Office E&M - Established | Facility | 333 | 147 | $110.05 | $37K |
| 99233 Hospital E&M - Subsequent | Facility | 174 | 62 | $98.28 | $17K |
| 99223 Hospital E&M - Initial | Facility | 56 | 51 | $142.99 | $8,007 |
| 99232 Hospital E&M - Subsequent | Facility | 31 | 18 | $65.37 | $2,026 |
| 99443 Telephone Services | Office | 14 | 14 | $86.95 | $1,217 |
By year: 2022 $72K for 852 services; 2023 $106K for 1,040 services; 2024 $69K for 667 services.
Medicare prescription drug claims, 2024
In 2024, the drug Walaa Dabbas prescribed most often to Medicare patients was Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim), with 423 prescriptions and refills. In total Walaa Dabbas wrote 3,934 Medicare prescriptions that cost $872K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim | 423 | 680 | 86 | $1,020 |
| Carvedilol Generic | 311 | 496 | 69 | $1,639 |
| Prednisone Generic | 241 | 340 | 50 | $1,024 |
| Atorvastatin Calcium Generic | 211 | 405 | 55 | $1,497 |
| Nifedipine Er Nifedipine | 203 | 317 | 56 | $5,705 |
| Amlodipine Besylate Generic | 188 | 327 | 42 | $617 |
| Atovaquone Generic | 180 | 214 | 34 | $121K |
| Furosemide Generic | 154 | 196 | 39 | $668 |
| Lisinopril Generic | 121 | 229 | 27 | $337 |
| Lokelma Sodium Zirconium Cyclosilicate | 99 | 124 | 27 | $100K |
| Calcitriol Generic | 95 | 124 | 19 | $1,280 |
| Dapsone Generic | 94 | 146 | 20 | $5,679 |
| Valganciclovir Hcl Generic | 89 | 102 | 37 | $22K |
| Pantoprazole Sodium Generic | 86 | 145 | 22 | $690 |
| Famotidine Generic | 85 | 153 | 22 | $386 |
Brand drugs: 425 claims; generic drugs: 3,462 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Walaa Dabbas $227 ($227 in general payments such as food, travel and fees) from 3 companies. The largest payer was Apellis Pharmaceuticals, Inc. with $123.
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.