Internal Medicine, Medical Oncology · Corvallis, OR
NPI
1710924451
Since 2006
Specialty
Internal Medicine, Medical Oncology
Code 207RX0202X
Group practices
6
Medicare group memberships
Hospitals
5
Hospital affiliations
441 NW Elks Dr Ste 100
Corvallis, OR, 97330
Phone (541) 768-4950
Groups this clinician bills Medicare through
Medicare paid, 2024
$157K
8,386 services
Medicare patients, 2024
299
Average age 74
Drug cost, 2024
$3.7M
2,058 prescriptions
Company payments, 2025
$1,559
From 25 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Herschel D Wallen was code 99214 (office e&m - established), 277 times for 166 patients. In total Herschel D Wallen billed 8,386 services in 68 codes, and Medicare paid $157K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2023-08-07.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Facility | 277 | 166 | $67.51 | $19K |
| 99215 Office E&M - Established | Facility | 123 | 49 | $104.76 | $13K |
| 85025 Blood Count | Office | 49 | 35 | $7.61 | $373 |
| 80053 Clinical Chemistry | Office | 48 | 36 | $10.35 | $497 |
| 36415 Venipuncture Blood Collection | Office | 42 | 32 | $8.65 | $363 |
| 99205 Office E&M - New | Facility | 40 | 40 | $126.18 | $5,047 |
| 99215 Office E&M - Established | Office | 29 | 25 | $140.73 | $4,081 |
| 99214 Office E&M - Established | Office | 21 | 21 | $84.36 | $1,772 |
| 99233 Hospital E&M - Subsequent | Facility | 12 | 11 | $90.51 | $1,086 |
| 99213 Office E&M - Established | Facility | 12 | 12 | $42.12 | $505 |
| 82728 Clinical Chemistry | Office | 11 | 11 | $13.36 | $147 |
By year: 2022 $48K for 587 services; 2023 $42K for 519 services; 2024 $157K for 8,386 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 85025 Blood Count | 49 | 35 | $7.61 | $373 |
| 80053 Clinical Chemistry | 48 | 36 | $10.35 | $497 |
| 36415 Venipuncture Blood Collection | 42 | 32 | $8.65 | $363 |
| 82728 Clinical Chemistry | 11 | 11 | $13.36 | $147 |
Medicare prescription drug claims, 2024
In 2024, the drug Herschel D Wallen prescribed most often to Medicare patients was Prednisone, with 113 prescriptions and refills. In total Herschel D Wallen wrote 2,058 Medicare prescriptions that cost $3.7M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Prednisone Generic | 113 | 145 | 32 | $483 |
| Eliquis Apixaban | 77 | 124 | 19 | $64K |
| Potassium Chloride Generic | 75 | 98 | 22 | $1,239 |
| Gabapentin Generic | 70 | 102 | 21 | $1,198 |
| Furosemide Generic | 69 | 100 | 23 | $292 |
| Acyclovir Generic | 67 | 104 | 15 | $730 |
| Ondansetron Hcl Generic | 66 | 66 | 42 | $357 |
| Abiraterone Acetate Generic | 66 | 66 | Under 11 | $55K |
| Levothyroxine Sodium Generic | 65 | 125 | 15 | $487 |
| Prochlorperazine Maleate Generic | 63 | 65 | 44 | $722 |
| Dexamethasone Generic | 62 | 79 | 28 | $778 |
| Xarelto Rivaroxaban | 53 | 89 | Under 11 | $47K |
| Amlodipine Besylate Generic | 52 | 76 | Under 11 | $75.51 |
| Hydroxyurea Generic | 47 | 120 | 21 | $1,190 |
| Oxycodone Hcl Generic | 47 | 49 | 15 | $1,079 |
Brand drugs: 465 claims; generic drugs: 1,593 claims; opioid claims: 184.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Herschel D Wallen $1,559 ($1,559 in general payments such as food, travel and fees) from 25 companies. The largest payer was AstraZeneca Pharmaceuticals LP with $192.
| Company | Payments | Amount |
|---|---|---|
| AstraZeneca Pharmaceuticals LP AZN | 8 | $192 |
| Tempus AI, Inc TEM | 2 | $153 |
| Novartis Pharmaceuticals Corporation NVS | 6 | $147 |
| GlaxoSmithKline, LLC. GSK | 9 | $146 |
| Astellas Pharma US Inc 4503.T | 4 | $113 |
| Pfizer Inc. PFE | 5 | $109 |
| Merck Sharp & Dohme LLC MRK | 3 | $75.56 |
| TerSera Therapeutics LLC | 3 | $70.08 |
| Eisai Inc. 4523.T | 3 | $63.63 |
| Dendreon Pharmaceuticals LLC | 2 | $53.58 |
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.