Robert Michael Wilechansky, M.D.
Gastroenterology Physician · Portland, OR
Robert Michael Wilechansky, M.D. is a gastroenterology physician with a practice address in Portland, Oregon, and NPI 1750743886, issued on Mar 28, 2016. Check the license (Oregon MD220757, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert Michael Wilechansky
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- MD220757 OR
267528 MA
Self-reported in NPPES; status is on the state search - Practice location
- 3303 S Bond Ave, Portland, OR 97239
- Phone
- (503) 494-4373
- Enumerated
- Mar 28, 2016
- Record last updated
- Sep 11, 2024
- Fax
- (503) 418-4189
- Medicare enrollment
- Enrolled (PECOS I20240805003060); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 281 in Oregon → Look up another NPI →
Also registered at 3303 S Bond Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert Michael Wilechansky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD220757Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average gastroenterology physician in 2024
122 Medicare Part D claims for 68 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Ursodiol22 claims
- Peg-3350 And Electrolytes14 claims
- Omeprazole12 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
- University Professional ServicesPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Michael Wilechansky among 281 gastroenterology physician records in Oregon
Robert Michael Wilechansky, M.D. is one of 281 gastroenterology physician records with a practice address in Oregon. 79% 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 91% of them.
- NPI issued2016 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2016 · median 2003 among the 201 with a school on file
- Record last updated2024 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Oregon
There are 281 gastroenterology physician records in Oregon.
All 281 in Oregon → Every provider in Portland → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Andy Barnett, MDPortland, OR 972391194717819
- Seth Crockett, MD, MPHPortland, OR 972391437178183
- Michael (brian) Fennerty, MDPortland, OR 972391831104330
- Janice Jou, M.D.Portland, OR 972391679531941
- Ronald Katon, MDPortland, OR 972391184639692
- William Kelley, M.D.Portland, OR 972391164477105
- Kandice Knigge, MDPortland, OR 972391356356851
- David Lieberman, M.D.Portland, OR 972391790713063
Common questions
What is Robert Michael Wilechansky, M.D.'s NPI number?
Robert Michael Wilechansky, M.D.'s National Provider Identifier (NPI) is 1750743886, issued on Mar 28, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Robert Michael Wilechansky, M.D. located?
The NPPES record lists a practice address at 3303 S Bond Ave, Portland, OR, 97239. Phone: (503) 494-4373. Providers update this record themselves, so call before visiting.
How can I verify Robert Michael Wilechansky, M.D.'s license?
NPPES lists Oregon license number MD220757, 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 Robert Michael Wilechansky, M.D. prescribe under Medicare Part D?
In 2024, Robert Michael Wilechansky, M.D. had 122 Medicare Part D claims for 68 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.