Internal Medicine, Hematology & Oncology · Washington, DC
NPI
1629081963
Since 2006
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
3
Medicare group memberships
Hospitals
0
Hospital affiliations
2041 Georgia Ave NW
Washington, DC, 20060
Phone (202) 865-6679
Groups this clinician bills Medicare through
Medicare paid, 2024
$115K
1,526 services
Medicare patients, 2024
267
Average age 74
Drug cost, 2024
$845K
1,345 prescriptions
Company payments, 2025
$0
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by John E McKnight was code 99214 (office e&m - established), 630 times for 223 patients. In total John E McKnight billed 1,526 services in 17 codes, and Medicare paid $115K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-07-06.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 630 | 223 | $91.24 | $57K |
| 99215 Office E&M - Established | Office | 249 | 97 | $135.83 | $34K |
| 99205 Office E&M - New | Office | 32 | 32 | $170.79 | $5,465 |
| 99213 Office E&M - Established | Office | 31 | 30 | $61.92 | $1,920 |
| 99204 Office E&M - New | Office | 26 | 26 | $120.32 | $3,128 |
By year: 2022 $34K for 337 services; 2023 $109K for 1,242 services; 2024 $115K for 1,526 services.
Medicare prescription drug claims, 2024
In 2024, the drug John E McKnight prescribed most often to Medicare patients was Exemestane, with 368 prescriptions and refills. In total John E McKnight wrote 1,345 Medicare prescriptions that cost $845K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Exemestane Generic | 368 | 558 | 69 | $41K |
| Letrozole Generic | 275 | 516 | 64 | $3,796 |
| Anastrozole Generic | 203 | 327 | 50 | $3,122 |
| Tamoxifen Citrate Generic | 68 | 110 | 17 | $1,163 |
| Prochlorperazine Maleate Generic | 64 | 64 | 39 | $637 |
| Ondansetron Hcl Generic | 58 | 58 | 35 | $577 |
| Lidocaine-Prilocaine Lidocaine/Prilocaine | 56 | 56 | 41 | $571 |
| Potassium Chloride Generic | 23 | 29 | Under 11 | $207 |
| Dexamethasone Generic | 21 | 21 | 13 | $186 |
| Diphenoxylate-Atropine Diphenoxylate Hcl/Atropine | 19 | 19 | 12 | $145 |
| Verzenio Abemaciclib | 19 | 19 | Under 11 | $283K |
| Eliquis Apixaban | 18 | 22 | Under 11 | $13K |
| Pantoprazole Sodium Generic | 17 | 17 | Under 11 | $174 |
| Kisqali Ribociclib Succinate | 14 | 14 | Under 11 | $191K |
Brand drugs: 94 claims; generic drugs: 1,251 claims; opioid claims: 23.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid John E McKnight $0 (- in general payments such as food, travel and fees) from 1 company.
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.