Bradford Dixon Johnston, M.D.
Emergency Medicine Physician · Clackamas, OR
Bradford Dixon Johnston, M.D. is an emergency medicine physician with a practice address in Clackamas, Oregon, and NPI 1487868105, issued on May 10, 2007. Check the license (Oregon MD27745, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Bradford Dixon Johnston
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD27745 OR
Self-reported in NPPES; status is on the state search - Practice location
- 10180 SE Sunnyside RD, Clackamas, OR 97015
- Phone
- (800) 813-2000
- Enumerated
- May 10, 2007
- Record last updated
- Dec 10, 2025
- Medicaid IDs
- 8501041 WA
245799 OR - Medicare enrollment
- Enrolled (PECOS I20080123000465); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,079 in Oregon → Look up another NPI →
Also registered at 10180 SE Sunnyside RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aaron Abajian, MDDiagnostic Radiology Physician1942732300
- Samer Abufadil, MDInternal Medicine Physician1750437653
- Jeremy Adler, M.D.Anatomic Pathology & Clinical Pathology Physician1548617483
- Alejandro Aguilar, PA-CPhysician Assistant1740940006
- Usman Ahmad, D.O.Internal Medicine Physician1326288697
- Hyun Jung AhnPhysical Therapist1245014703
Verify Bradford Dixon Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD27745Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average emergency medicine physician in 2024
188 Medicare Part D claims for 113 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 23 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass11 claims
- Ondansetron Odt11 claims
- Oxycodone-Acetaminophen11 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.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The NorthwestClackamas, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bradford Dixon Johnston among 1,079 emergency medicine physician records in Oregon
Bradford Dixon Johnston, M.D. 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 49% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2004 · median 2013 among the 557 with a school on file
- Record last updated2025 · 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).
94 emergency medicine physician records list a practice address in Clackamas
They are 94 of the 2,098 NPPES records with a practice address in Clackamas, and 1,079 emergency medicine physician records in Oregon.
All 1,079 in Oregon → Every provider in Clackamas → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Scott Bailey, M.D.Clackamas, OR 970151831159490
- Laurel Berge, M.D.Clackamas, OR 970151811944853
- Frederic Cirillo, MDClackamas, OR 970151417923665
- Josephine Colbach, M.D.Clackamas, OR 970151720091101
- Joseph Ehlers, MDClackamas, OR 970151629033329
- Briar Ertz-Berger, MDClackamas, OR 970151508866203
- Jennifer Larson, M.D.Happy Valley, OR 970151679512347
- Nicholas Leonard, M.D.Clackamas, OR 970151003929787
Common questions
What is Bradford Dixon Johnston, M.D.'s NPI number?
Bradford Dixon Johnston, M.D.'s National Provider Identifier (NPI) is 1487868105, issued on May 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Bradford Dixon Johnston, M.D. located?
The NPPES record lists a practice address at 10180 SE Sunnyside RD, Clackamas, OR, 97015. Phone: (800) 813-2000. Providers update this record themselves, so call before visiting.
How can I verify Bradford Dixon Johnston, M.D.'s license?
NPPES lists Oregon license number MD27745, 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 Bradford Dixon Johnston, M.D. prescribe under Medicare Part D?
In 2024, Bradford Dixon Johnston, M.D. had 188 Medicare Part D claims for 113 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.