Allergy and Immunology, Allergy · Madison, WI
NPI
1326084534
Since 2006
Specialty
Allergy and Immunology, Allergy
Code 207KA0200X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
451 Junction Rd
Madison, WI, 53717
Phone (608) 263-6180
Groups this clinician bills Medicare through
Medicare paid, 2024
$28K
1,086 services
Medicare patients, 2024
253
Average age 73
Drug cost, 2024
$1.5M
2,082 prescriptions
Company payments, 2025
$34
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Ravi Viswanathan was code 95004 (test - miscellaneous), 314 times for 18 patients. In total Ravi Viswanathan billed 1,086 services in 23 codes, and Medicare paid $28K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2021-10-26.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 95004 Test - Miscellaneous | Office | 314 | 18 | $2.40 | $753 |
| 99214 Office E&M - Established | Office | 206 | 180 | $62.01 | $13K |
| 94010 Pulmonary Function Testing | Office | 165 | 137 | $5.10 | $842 |
| 99204 Office E&M - New | Office | 37 | 37 | $85.91 | $3,179 |
| 99215 Office E&M - Established | Office | 27 | 21 | $91.86 | $2,480 |
| 95076 Test - Miscellaneous | Office | 26 | 21 | $49.04 | $1,275 |
| 99205 Office E&M - New | Office | 14 | 14 | $128.98 | $1,806 |
By year: 2022 $28K for 1,198 services; 2023 $50K for 2,581 services; 2024 $28K for 1,086 services.
Medicare prescription drug claims, 2024
In 2024, the drug Ravi Viswanathan prescribed most often to Medicare patients was Montelukast Sodium, with 247 prescriptions and refills. In total Ravi Viswanathan wrote 2,082 Medicare prescriptions that cost $1.5M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Montelukast Sodium Generic | 247 | 670 | 73 | $4,259 |
| Fluticasone Propionate Generic | 154 | 338 | 55 | $3,337 |
| Dulera Mometasone/Formoterol | 139 | 186 | 28 | $62K |
| Fluticasone Propionate Hfa Fluticasone Propionate | 108 | 167 | 28 | $50K |
| Albuterol Sulfate Hfa Albuterol Sulfate | 105 | 138 | 52 | $4,257 |
| Advair Hfa Fluticasone Propion/Salmeterol | 103 | 159 | 27 | $58K |
| Budesonide-Formoterol Fumarate Budesonide/Formoterol Fumarate | 69 | 95 | 20 | $17K |
| Dupixent Syringe Dupilumab | 65 | 70 | Under 11 | $222K |
| Fluticasone-Salmeterol Fluticasone Propion/Salmeterol | 62 | 106 | 19 | $11K |
| Breztri Aerosphere Budesonide/Glycopyr/Formoterol | 60 | 89 | 13 | $52K |
| Xolair Omalizumab | 59 | 59 | Under 11 | $178K |
| Ventolin Hfa Albuterol Sulfate | 57 | 63 | 30 | $3,822 |
| Sodium Chloride 0.9 % Sodium Chloride | 53 | 53 | Under 11 | $1,360 |
| Azelastine Hcl Generic | 46 | 69 | 18 | $1,272 |
| Epinephrine Generic | 40 | 40 | 33 | $8,582 |
Brand drugs: 1,214 claims; generic drugs: 868 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Ravi Viswanathan $34 ($34 in general payments such as food, travel and fees) from 1 company. The largest payer was Amgen Inc. with $34.
| Company | Payments | Amount |
|---|---|---|
| Amgen Inc. AMGN | 1 | $34 |
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.