Ian Denison Schnadig, M.D.
Hematology & Oncology Physician · Tualatin, OR
Ian Denison Schnadig, M.D. is a hematology & oncology physician with a practice address in Tualatin, Oregon, and NPI 1467664839, issued on May 5, 2007. Check the license (Oregon MD150796, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ian Denison Schnadig
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- MD150796 OR
Self-reported in NPPES; status is on the state search - Practice location
- 19260 SW 65TH Ave, Tualatin, OR 97062
- Phone
- (503) 692-2032
- Enumerated
- May 5, 2007
- Record last updated
- Feb 19, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (503) 692-4450
- Medicaid IDs
- 2005439 WA
500618430 OR - Medicare enrollment
- Enrolled (PECOS I20100824000314); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 138 in Oregon → Look up another NPI →
Also registered at 19260 SW 65TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Armsby, MDPediatrics Physician1366426199
- Sivan Ben-David, DOPediatrics Physician1740712041
- Laurel Bradford, M.D.Pediatrics Physician1902127368
- Sara Cannon, MDPediatrics Physician1467441477
- Julia Carr, MDPediatrics Physician1962768622
- Erin Clougherty, DPTPhysical Therapist1700193885
Verify Ian Denison Schnadig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD150796Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average hematology & oncology physician in 2024
1,895 Medicare Part D claims for 228 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 41 claims were for opioids.
Most prescribed
- Abiraterone Acetate530 claims
- Prednisone470 claims
- Bicalutamide47 claims
- Dexamethasone35 claims
- Omeprazole33 claims
- Hydroxyurea32 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 MIPS final score for 2023 (Medicare payment program): 92.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $303.98
5 payments; by number, the most common kind was education; the largest payer was Astellas Pharma US Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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 one group practice
- Northwest Cancer Specialists PCTigard, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ian Denison Schnadig among 138 hematology & oncology physician records in Oregon
Ian Denison Schnadig, M.D. is one of 138 hematology & oncology physician records with a practice address in Oregon. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.
- NPI issued2007 · 54% of these records are older, 36% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2002 · median 2001 among the 97 with a school on file
- Record last updated2013 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Oregon
There are 138 hematology & oncology physician records in Oregon.
All 138 in Oregon → Every provider in Tualatin → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Charles Doolittle, M.D.Tualatin, OR 970621487873097
- Adam Leikensohn, M.D.The Dalles, OR 970581720046097
- Jeffrey McWilliams, M.D.West Linn, OR 970681114920899
- Eric Anderson, M.D., PH.D.Hood River, OR 970311477765493
- Ted Huang, M.D.Gresham, OR 970301356469902
- Frank Santoli, MDGresham, OR 970301639272073
- Jeyanthi Ramanarayanan, MDAstoria, OR 971031538269394
- Sarunas Sliesoraitis, DO, PHARM DAstonia, OR 971031003043704
Common questions
What is Ian Denison Schnadig, M.D.'s NPI number?
Ian Denison Schnadig, M.D.'s National Provider Identifier (NPI) is 1467664839, issued on May 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ian Denison Schnadig, M.D. located?
The NPPES record lists a practice address at 19260 SW 65TH Ave, Tualatin, OR, 97062. Phone: (503) 692-2032. Providers update this record themselves, so call before visiting.
How can I verify Ian Denison Schnadig, M.D.'s license?
NPPES lists Oregon license number MD150796, 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 Ian Denison Schnadig, M.D. prescribe under Medicare Part D?
In 2024, Ian Denison Schnadig, M.D. had 1,895 Medicare Part D claims for 228 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Ian Denison Schnadig, M.D.'s MIPS final score?
The 2023 MIPS final score is 92.6 of 100. 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.