Internal Medicine, Hematology · Springfield, MO
NPI
1841600491
Since 2014
Specialty
Internal Medicine, Hematology
Code 207RH0000X
Group practices
2
Medicare group memberships
Hospitals
4
Hospital affiliations
3850 S National Ave Ste 520
Springfield, MO, 65807
Phone (417) 875-3000
Groups this clinician bills Medicare through
Medicare paid, 2024
$77K
1,143 services
Medicare patients, 2024
313
Average age 74
Drug cost, 2024
$3.0M
1,938 prescriptions
Company payments, 2025
$359
From 8 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Karim Welaya was code 99214 (office e&m - established), 398 times for 240 patients. In total Karim Welaya billed 1,143 services in 51 codes, and Medicare paid $77K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-09-18.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Facility | 398 | 240 | $64.37 | $26K |
| 99215 Office E&M - Established | Facility | 331 | 75 | $103.88 | $34K |
| 99204 Office E&M - New | Facility | 77 | 77 | $90.55 | $6,973 |
| 99232 Hospital E&M - Subsequent | Facility | 50 | 20 | $58.69 | $2,935 |
| 36415 Venipuncture Blood Collection | Office | 46 | 17 | $8.65 | $398 |
| 85025 Blood Count | Office | 39 | 13 | $7.61 | $297 |
| 99213 Office E&M - Established | Facility | 16 | 16 | $36.84 | $589 |
| 99222 Hospital E&M - Initial | Facility | 16 | 14 | $97.60 | $1,562 |
| 99205 Office E&M - New | Facility | 12 | 12 | $123.48 | $1,482 |
By year: 2022 $82K for 1,061 services; 2023 $72K for 939 services; 2024 $77K for 1,143 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 46 | 17 | $8.65 | $398 |
| 85025 Blood Count | 39 | 13 | $7.61 | $297 |
Medicare prescription drug claims, 2024
In 2024, the drug Karim Welaya prescribed most often to Medicare patients was Letrozole, with 198 prescriptions and refills. In total Karim Welaya wrote 1,938 Medicare prescriptions that cost $3.0M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Letrozole Generic | 198 | 444 | 53 | $3,502 |
| Ondansetron Hcl Generic | 136 | 136 | 87 | $14K |
| Prochlorperazine Maleate Generic | 129 | 129 | 85 | $4,388 |
| Prednisone Generic | 104 | 119 | 33 | $321 |
| Abiraterone Acetate Generic | 91 | 91 | 13 | $165K |
| Anastrozole Generic | 88 | 145 | 19 | $698 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 87 | 87 | 33 | $1,087 |
| Oxycodone Hcl Generic | 81 | 81 | 22 | $1,627 |
| Potassium Chloride Generic | 75 | 94 | 35 | $742 |
| Acyclovir Generic | 68 | 77 | 11 | $1,096 |
| Dexamethasone Generic | 47 | 47 | 18 | $406 |
| Gabapentin Generic | 45 | 45 | 18 | $311 |
| Hydroxyurea Generic | 42 | 83 | 11 | $1,060 |
| Brukinsa Zanubrutinib | 42 | 42 | Under 11 | $628K |
| Eliquis Apixaban | 39 | 39 | Under 11 | $23K |
Brand drugs: 220 claims; generic drugs: 1,718 claims; opioid claims: 249.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Karim Welaya $359 ($359 in general payments such as food, travel and fees) from 8 companies. The largest payer was Celgene Corporation with $162.
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.