Bradley Tymchuk, M.D.
Internal Medicine Physician · Hermiston, OR
Bradley Tymchuk, M.D. is an internal medicine physician with a practice address in Hermiston, Oregon, and NPI 1437503380, issued on Apr 18, 2016. Check the license (Oregon MD189774, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Bradley Tymchuk
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD189774 OR
Self-reported in NPPES; status is on the state search - Practice location
- 620 NW 11TH St Ste M103, Hermiston, OR 97838
- Phone
- (509) 820-7845
- Enumerated
- Apr 18, 2016
- Record last updated
- Jun 10, 2026
- Fax
- (541) 303-8763
- Medicare enrollment
- Enrolled (PECOS I20251212002980); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 620 NW 11TH St Ste M103
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barbara Atwood, MD LLCInternal Medicine Physician1396852760
- Brian Larsen, M.D.Internal Medicine Physician1366768533
- David Shanley, MDFamily Medicine Physician1154374965
- Nu Nwe Tun, MDGeriatric Medicine (Internal Medicine) Physician1942685466
Verify Bradley Tymchuk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD189774Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average internal medicine physician in 2024
9,500 Medicare Part D claims for 567 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 755 claims were for opioids.
Most prescribed
- Atorvastatin Calcium450 claims
- Lisinopril311 claims
- Amlodipine Besylate276 claims
- Levothyroxine Sodium270 claims
- Gabapentin254 claims
- Losartan Potassium223 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: $266.27
12 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bradley Tymchuk among 2,116 internal medicine physician records in Oregon
Bradley Tymchuk, M.D. is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 78% of them.
- NPI issued2016 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2015 · median 2008 among the 1,232 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 internal medicine physician records list a practice address in Hermiston
They are 6 of the 479 NPPES records with a practice address in Hermiston, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Hermiston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Barbara Atwood, MD LLCHermiston, OR 978381396852760
- Benjamin Booher, DOHermiston, OR 978381740245562
- Brian Larsen, M.D.Hermiston, OR 978381366768533
- Edward Ricketts, MDHermiston, OR 978381215079710
- David Stenstrom, MDHermiston, OR 978381265607485
- Scott Siebe, MDEnterprise, OR 978281568455822
- Stephen Bump, M.D.La Grande, OR 978501497785042
- Stanley Graham, M.D.La Grande, OR 978501952330557
Common questions
What is Bradley Tymchuk, M.D.'s NPI number?
Bradley Tymchuk, M.D.'s National Provider Identifier (NPI) is 1437503380, issued on Apr 18, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Bradley Tymchuk, M.D. located?
The NPPES record lists a practice address at 620 NW 11TH St Ste M103, Hermiston, OR, 97838. Phone: (509) 820-7845. Providers update this record themselves, so call before visiting.
How can I verify Bradley Tymchuk, M.D.'s license?
NPPES lists Oregon license number MD189774, 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 Bradley Tymchuk, M.D. prescribe under Medicare Part D?
In 2024, Bradley Tymchuk, M.D. had 9,500 Medicare Part D claims for 567 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Bradley Tymchuk, 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.