Internal Medicine, Hematology & Oncology · Aurora, CO
NPI
1356600464
Since 2012
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
1665 Aurora Ct
Aurora, CO, 80045
Phone (720) 848-0000
Groups this clinician bills Medicare through
Medicare paid, 2024
$40K
456 services
Medicare patients, 2024
105
Average age 72
Drug cost, 2024
$2.9M
329 prescriptions
Company payments, 2025
$3,535
From 3 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Christine M McMahon was code 99233 (hospital e&m - subsequent), 230 times for 50 patients. In total Christine M McMahon billed 456 services in 11 codes, and Medicare paid $40K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2020-09-10.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99233 Hospital E&M - Subsequent | Facility | 230 | 50 | $93.27 | $21K |
| 99214 Office E&M - Established | Facility | 126 | 46 | $71.38 | $8,993 |
| 99215 Office E&M - Established | Facility | 34 | 28 | $110.03 | $3,741 |
| 99214 Office E&M - Established | Office | 18 | 12 | $94.49 | $1,701 |
| 99238 Hospital Discharge Management | Facility | 18 | 17 | $64.13 | $1,154 |
By year: 2022 $37K for 463 services; 2023 $52K for 579 services; 2024 $40K for 456 services.
Medicare prescription drug claims, 2024
In 2024, the drug Christine M McMahon prescribed most often to Medicare patients was Acyclovir, with 37 prescriptions and refills. In total Christine M McMahon wrote 329 Medicare prescriptions that cost $2.9M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Acyclovir Generic | 37 | 75 | 16 | $620 |
| Sprycel Dasatinib | 28 | 28 | Under 11 | $356K |
| Inqovi Decitabine/Cedazuridine | 27 | 27 | Under 11 | $214K |
| Scemblix Asciminib Hydrochloride | 25 | 25 | Under 11 | $535K |
| Venclexta Venetoclax | 22 | 22 | 12 | $309K |
| Tasigna Nilotinib Hcl | 21 | 21 | Under 11 | $301K |
| Ondansetron Hcl Generic | 19 | 19 | Under 11 | $148 |
| Xospata Gilteritinib Fumarate | 16 | 16 | Under 11 | $415K |
| Levofloxacin Generic | 14 | 14 | Under 11 | $270 |
| Onureg Azacitidine | 13 | 13 | Under 11 | $333K |
Brand drugs: 180 claims; generic drugs: 149 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Christine M McMahon $3,535 ($3,535 in general payments such as food, travel and fees) from 3 companies. The largest payer was Janssen Research & Development, LLC with $3,500.
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.