Dina Mason, DO
Emergency Medicine Physician · Lebanon, OR
Dina Mason, DO is an emergency medicine physician with a practice address in Lebanon, Oregon, and NPI 1386200632, issued on May 13, 2019. Check the license (Oregon DO227358, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Dina Mason
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- DO227358 OR
OS021505 PA
Self-reported in NPPES; status is on the state search - Practice location
- 525 N Santiam Hwy, Lebanon, OR 97355
- Phone
- (541) 258-2101
- Enumerated
- May 13, 2019
- Record last updated
- Jul 6, 2026
- Medicare enrollment
- Enrolled (PECOS I20250313001010); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Bradenton, 2019
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,079 in Oregon → Look up another NPI →
Also registered at 525 N Santiam Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kelly Becker, DPTPhysical Therapist1124477328
- Richard Bell, MDEmergency Medicine Physician1548285752
- Crystal Buglino, PACSurgical Physician Assistant1528395969
Verify Dina Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO227358Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average emergency medicine physician in 2024
167 Medicare Part D claims for 122 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen21 claims
- Ondansetron Odt18 claims
- Prednisone13 claims
- Sulfamethoxazole-Trimethoprim13 claims
- Amoxicillin-Clavulanate Potass12 claims
- Cephalexin11 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.
Industry payments in 2024: $19.03
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 12,335 providers of this specialty with any payment received $953.79 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
- Emergency Medicine Associates PCVancouver, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dina Mason among 1,079 emergency medicine physician records in Oregon
Dina Mason, DO is one of 1,079 emergency medicine physician records with a practice address in Oregon. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 87% of them.
- NPI issued2019 · 87% of these records are older, 10% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2019 · median 2013 among the 557 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 emergency medicine physician records list a practice address in Lebanon
They are 28 of the 612 NPPES records with a practice address in Lebanon, and 1,079 emergency medicine physician records in Oregon.
All 1,079 in Oregon → Every provider in Lebanon → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Richard Bell, MDLebanon, OR 973551548285752
- Gail Defrees, M.D.Lebanon, OR 973551104869163
- Mark Donnelly, M.D.Lebanon, OR 973551700820784
- Leon Eshleman, M.D.Lebanon, OR 973551063458750
- Michael Halferty, M.D.Lebanon, OR 973551649218298
- Corey Kahn, DOLebanon, OR 973551548337801
- Christine Krishnamurthy, M.D.Lebanon, OR 973551336195817
- Alessandro Mangili, MDLebanon, OR 973551992998611
Common questions
What is Dina Mason, DO's NPI number?
Dina Mason, DO's National Provider Identifier (NPI) is 1386200632, issued on May 13, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Dina Mason, DO located?
The NPPES record lists a practice address at 525 N Santiam Hwy, Lebanon, OR, 97355. Phone: (541) 258-2101. Providers update this record themselves, so call before visiting.
How can I verify Dina Mason, DO's license?
NPPES lists Oregon license number DO227358, 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 Dina Mason, DO prescribe under Medicare Part D?
In 2024, Dina Mason, DO had 167 Medicare Part D claims for 122 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.