Herschel D. Wallen, M.D.
Medical Oncology Physician · Corvallis, OR
Herschel D. Wallen, M.D. is a medical oncology physician with a practice address in Corvallis, Oregon, and NPI 1710924451, issued on Jun 1, 2006. Check the license (Oregon MD153740, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Herschel D. Wallen
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- MD153740 OR
MD00040124 WA
Self-reported in NPPES; status is on the state search - Practice location
- 441 NW Elks Dr Ste 100, Corvallis, OR 97330
- Phone
- (541) 768-4950
- Enumerated
- Jun 1, 2006
- Record last updated
- Aug 7, 2023
- Medicaid IDs
- 500631243 OR
8455354 WA - Medicare enrollment
- Enrolled (PECOS I20110207000900); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 441 NW Elks Dr Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Holly Almond, NPNurse Practitioner1649233503
- Raed Benkhadra, MDMedical Oncology Physician1255837746
- Robert Davis, MDInternal Medicine Physician1629481452
- Audrey Drake, NPFamily Nurse Practitioner1093547291
- Karen Salinas, RNRegistered Nurse1508718404
- Sharyn Shepherd, FNPFamily Nurse Practitioner1629591987
Verify Herschel D. Wallen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD153740Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average medical oncology physician in 2024
2,058 Medicare Part D claims for 273 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 184 claims were for opioids.
Most prescribed
- Prednisone113 claims
- Eliquis77 claims
- Potassium Chloride75 claims
- Gabapentin70 claims
- Furosemide69 claims
- Acyclovir67 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 91.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,973.82
84 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Albany General HospitalAlbany, OR
- Good Samaritan Hospital CorvallisCorvallis, OR
- Oregon Oncology Specialists LLPSalem, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Medical Oncology Physician providers in Oregon
There are 107 medical oncology physician records in Oregon.
Other medical oncology physician records in Oregon
- Anupama Acheson, MDPortland, OR1780689513
- Molly Andreason, MDPortland, OR1831518687
- Dilip Babu, MDTualatin, OR1285904615
- Titas BanerjeeGresham, OR1659807931
- Tomasz Beer, MDPortland, OR1669487179
- Raed Benkhadra, MDCorvallis, OR1255837746
- Eric Bernstein, M.D.Hood River, OR1629290549
- Matthew Blackburn, M.D.Portland, OR1376076828
- Charles Blanke, MDPortland, OR1639187198
- Theodore Braich, M.D.Bend, OR1649286204
Common questions
What is Herschel D. Wallen, M.D.'s NPI number?
Herschel D. Wallen, M.D.'s National Provider Identifier (NPI) is 1710924451, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Herschel D. Wallen, M.D. located?
The NPPES record lists a practice address at 441 NW Elks Dr Ste 100, Corvallis, OR, 97330. Phone: (541) 768-4950. Providers update this record themselves, so call before visiting.
How can I verify Herschel D. Wallen, M.D.'s license?
NPPES lists Oregon license number MD153740, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Herschel D. Wallen, M.D. prescribe under Medicare Part D?
In 2024, Herschel D. Wallen, M.D. had 2,058 Medicare Part D claims for 273 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Herschel D. Wallen, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.