Randy Dale Visser, DO
Internal Medicine Physician · Redmond, OR
Randy Dale Visser, DO is an internal medicine physician with a practice address in Redmond, Oregon, and NPI 1801859574, issued on Apr 11, 2006. Check the license (Oregon 18333, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Randy Dale Visser
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 18333 OR
Self-reported in NPPES; status is on the state search - Practice location
- 4282 SW 43RD St, Redmond, OR 97756
- Phone
- (541) 420-9482
- Enumerated
- Apr 11, 2006
- Record last updated
- Dec 29, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (541) 323-3794
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Verify Randy Dale Visser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license 18333Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
175 Medicare Part D claims for 12 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Eliquis26 claims
- Gabapentin13 claims
- Lisinopril11 claims
- Metoprolol Succinate11 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.
Randy Dale Visser among 2,116 internal medicine physician records in Oregon
Randy Dale Visser, DO 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 54% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2020 · 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).
Internal Medicine Physician providers in Oregon
There are 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Redmond → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Celso Gangan, M.DRedmond, OR 977561598761959
- Emily Harvey, M.D.Redmond, OR 977561528294345
- Anne Killingbeck, M.D.Redmond, OR 977561740471648
- Laura Nicholson, MDRedmond, OR 977561578513552
- Harold Palmer, MDRedmond, OR 977561841296209
- Mark Sternfeld, MD, PHDRedmond, OR 977561023071792
- David Tretheway, MDRedmond, OR 977561831152982
- Mark Thibert, MDPrineville, OR 977541225104235
Common questions
What is Randy Dale Visser, DO's NPI number?
Randy Dale Visser, DO's National Provider Identifier (NPI) is 1801859574, issued on Apr 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Randy Dale Visser, DO located?
The NPPES record lists a practice address at 4282 SW 43RD St, Redmond, OR, 97756. Phone: (541) 420-9482. Providers update this record themselves, so call before visiting.
How can I verify Randy Dale Visser, DO's license?
NPPES lists Oregon license number 18333, 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 Randy Dale Visser, DO prescribe under Medicare Part D?
In 2024, Randy Dale Visser, DO had 175 Medicare Part D claims for 12 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.