Allergy and Immunology · San Carlos, CA
NPI
1811004476
Since 2006
Specialty
Allergy and Immunology
Code 207K00000X
Group practices
1
Medicare group memberships
Hospitals
0
Hospital affiliations
301 Industrial Rd
San Carlos, CA, 94070
Phone (650) 596-4150
Groups this clinician bills Medicare through
Medicare paid, 2024
$176K
7,774 services
Medicare patients, 2024
148
Average age 72
Drug cost, 2024
$199K
615 prescriptions
Company payments, 2025
$2,361
From 15 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Rajashri S Iyengar was code 95004 (test - miscellaneous), 1,219 times for 27 patients. In total Rajashri S Iyengar billed 7,774 services in 15 codes, and Medicare paid $176K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2020-05-28.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 95004 Test - Miscellaneous | Office | 1,219 | 27 | $3.69 | $4,499 |
| 95165 Treatment - Miscellaneous | Office | 930 | 53 | $14.24 | $13K |
| 95117 Treatment - Miscellaneous | Office | 753 | 59 | $12.25 | $9,227 |
| 99214 Office E&M - Established | Office | 153 | 97 | $107.75 | $16K |
| 99215 Office E&M - Established | Office | 46 | 37 | $170.24 | $7,831 |
| 99204 Office E&M - New | Office | 32 | 32 | $137.42 | $4,397 |
By year: 2022 $98K for 4,784 services; 2023 $122K for 5,942 services; 2024 $176K for 7,774 services.
Medicare prescription drug claims, 2024
In 2024, the drug Rajashri S Iyengar prescribed most often to Medicare patients was Azelastine Hcl, with 156 prescriptions and refills. In total Rajashri S Iyengar wrote 615 Medicare prescriptions that cost $199K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Azelastine Hcl Generic | 156 | 312 | 72 | $6,087 |
| Olopatadine Hcl Generic | 61 | 146 | 32 | $7,395 |
| Epinephrine Generic | 55 | 63 | 47 | $10K |
| Montelukast Sodium Generic | 43 | 98 | 14 | $486 |
| Levocetirizine Dihydrochloride Generic | 34 | 88 | 15 | $1,248 |
| Famotidine Generic | 26 | 55 | 13 | $291 |
| Omnaris Ciclesonide | 20 | 32 | Under 11 | $9,303 |
| Albuterol Sulfate Hfa Albuterol Sulfate | 19 | 29 | 12 | $817 |
| Fluticasone Propionate Generic | 18 | 42 | Under 11 | $445 |
| Breyna Budesonide/Formoterol Fumarate | 17 | 31 | Under 11 | $4,764 |
| Ipratropium Bromide Generic | 15 | 41 | Under 11 | $530 |
| Wixela Inhub Fluticasone Propion/Salmeterol | 15 | 17 | Under 11 | $1,259 |
| Nucala Mepolizumab | 13 | 13 | Under 11 | $47K |
| Dupixent Syringe Dupilumab | 11 | 11 | Under 11 | $49K |
| Dupixent Pen Dupilumab | 11 | 11 | Under 11 | $41K |
Brand drugs: 158 claims; generic drugs: 457 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Rajashri S Iyengar $2,361 ($2,361 in general payments such as food, travel and fees) from 15 companies. The largest payer was GlaxoSmithKline, LLC. with $429.
| Company | Payments | Amount |
|---|---|---|
| GlaxoSmithKline, LLC. GSK | 21 | $429 |
| Novartis Pharmaceuticals Corporation NVS | 13 | $309 |
| AstraZeneca Pharmaceuticals LP AZN | 11 | $300 |
| ARS Pharmaceuticals Operations, Inc. SPRY | 13 | $264 |
| Genzyme Corporation SNY | 13 | $237 |
| Pfizer Inc. PFE | 14 | $188 |
| Organon LLC OGN | 9 | $168 |
| Genentech USA, Inc. ROG.SW | 12 | $166 |
| Galderma Laboratories, L.P. GALD.SW | 4 | $103 |
| Regeneron Healthcare Solutions, Inc. REGN | 2 | $66.8 |
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.