Internal Medicine, Hematology & Oncology · Naperville, IL
NPI
1740228857
Since 2006
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
3
Medicare group memberships
Hospitals
3
Hospital affiliations
120 Spalding Dr Ste 111
Naperville, IL, 60540
Phone (630) 646-2273
Groups this clinician bills Medicare through
Medicare paid, 2024
$97K
1,395 services
Medicare patients, 2024
334
Average age 74
Drug cost, 2024
$2.4M
1,147 prescriptions
Company payments, 2025
$110
From 5 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Samir D Undevia was code 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), 470 times for 172 patients. In total Samir D Undevia billed 1,395 services in 13 codes, and Medicare paid $97K.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-04-29.
| Code | Setting | Services | Patients | Paid per service | Medicare paid |
|---|---|---|---|---|---|
| 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 | Facility | 470 | 172 | $13.75 | $6,465 |
| 99215 Office E&M - Established | Facility | 313 | 93 | $120.65 | $38K |
| 99214 Office E&M - Established | Facility | 293 | 169 | $76.37 | $22K |
| 99233 Hospital E&M - Subsequent | Facility | 92 | 40 | $98.61 | $9,072 |
| 99223 Hospital E&M - Initial | Facility | 49 | 42 | $146.23 | $7,165 |
| 99205 Office E&M - New | Facility | 48 | 48 | $151.68 | $7,281 |
| 99213 Office E&M - Established | Facility | 41 | 38 | $52.06 | $2,134 |
| 99212 Office E&M - Established | Facility | 25 | 21 | $26.41 | $660 |
| 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 | 19 | 18 | $13.93 | $265 |
| 99232 Hospital E&M - Subsequent | Facility | 15 | 14 | $66.55 | $998 |
| 99215 Office E&M - Established | Office | 12 | 11 | $125.16 | $1,502 |
By year: 2022 $77K for 813 services; 2023 $85K for 883 services; 2024 $97K for 1,395 services.
Medicare prescription drug claims, 2024
In 2024, the drug Samir D Undevia prescribed most often to Medicare patients was Anastrozole, with 201 prescriptions and refills. In total Samir D Undevia wrote 1,147 Medicare prescriptions that cost $2.4M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Anastrozole Generic | 201 | 574 | 61 | $3,710 |
| Eliquis Apixaban | 146 | 230 | 34 | $134K |
| Xarelto Rivaroxaban | 85 | 143 | 20 | $77K |
| Potassium Chloride Generic | 54 | 72 | Under 11 | $466 |
| Levothyroxine Sodium Generic | 51 | 91 | Under 11 | $515 |
| Tamoxifen Citrate Generic | 46 | 136 | 17 | $1,145 |
| Prednisone Generic | 35 | 36 | 12 | $133 |
| Letrozole Generic | 34 | 102 | Under 11 | $829 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 26 | 26 | Under 11 | $405 |
| Kisqali Ribociclib Succinate | 24 | 24 | Under 11 | $420K |
| Hydroxyurea Generic | 22 | 57 | Under 11 | $523 |
| Lynparza Olaparib | 22 | 26 | Under 11 | $426K |
| Abiraterone Acetate Generic | 20 | 20 | Under 11 | $20K |
| Acyclovir Generic | 20 | 20 | Under 11 | $390 |
| Hydromorphone Hcl Generic | 18 | 18 | Under 11 | $153 |
Brand drugs: 365 claims; generic drugs: 782 claims; opioid claims: 63.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Samir D Undevia $110 ($110 in general payments such as food, travel and fees) from 5 companies. The largest payer was Array Biopharma Inc with $24.05.
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.