DR. ROBERT MICHAEL WILECHANSKY M.D.
NPI 1750743886
Internal Medicine - Gastroenterology in Portland, OR

Q: What is Robert Wilechansky's NPI number?

The NPI number for Robert Wilechansky is 1750743886. It was assigned to this individual provider in the NPPES registry on March 28, 2016.

Q: What is Robert Wilechansky's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Active since March 28, 2016PECOS EnrolledAccepts Medicare Assignment

3303 S BOND AVE, PORTLAND, OR 97239(503) 494-4373(503) 418-4189 Get Directions Write a Review

NPPES record last updated: September 11, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 11, 2024, May 11, 2023, Mar 28, 2016 (3 updates tracked since 2016).

On this page

About Dr. Robert Michael Wilechansky M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ROBERT MICHAEL WILECHANSKY M.D. (NPI 1750743886) is an individual gastroenterology provider in Portland, Oregon, licensed in Oregon (MD220757) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1750743886

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. ROBERT MICHAEL WILECHANSKYCredential: M.D.

Location Address3303 S BOND AVEPortland, OR 97239-4501

Mailing Address3303 S Bond AvePortland, OR 97239-4501 · (503) 494-4373 · Fax (503) 418-4189

Phone(503) 494-4373

Fax(503) 418-4189

Sole ProprietorNo

Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 2016

Enumeration DateMarch 28, 2016

Last NPPES UpdateSeptember 11, 20243 updates tracked since enumeration

NPPES CertifiedSeptember 11, 2024

✔ NPI 1750743886 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in OR · MD220757✔ Licensed in MA · 267528

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 267528 (MA), MD220757 (OR)

Also ListedInternal Medicine · Transplant HepatologyTaxonomy 207RT0003X · License MD220757 (OR)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

3303 S BOND AVE, Portland, OR 97239

Open in Google Maps ↗

Secondary Practice Locations 2

Location 115 Parkman St, Wang 5Boston, MA 02114-3117 · Phone (617) 726-6609

Location 255 Fruit StBoston, MA 02114-2696 · Phone (617) 726-2000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Kaiser Permanente, Moda Health Plan, Inc., PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Robert Michael Wilechansky M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6608161278

PECOS Enrollment IDI20240805003060

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Robert Wilechansky reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Professional Services

0.6 mi

Mental Health (Including Community Mental Health Center)

2525 SW FIRST AVE STE 1215
Portland, OR 97201

Reassigned Medicare billing, Oregon enrollment
2,212 clinicians in this Medicare group

NPI 1316354970 (503) 494-4745

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

34 services34 patients

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

14 services14 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

11 services11 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ohsu Hospital And Clinics

Acute Care Hospitals · Portland, OR

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number380009

Location3181 SW Sam Jackson Park RoadPortland, OR 97239 · Multnomah County

Emergency services Birthing friendly

Willamette Valley Medical Center

Acute Care Hospitals · Mcminnville, OR

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380071

Location2700 SE Stratus Ave.Mcminnville, OR 97128 · Yamhill County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97239 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$134.16 typical visit price

range $58.99 – $176.88

Typical copayment $33.54 (range $14.74 – $44.22)

Most-billed visit code 99204

Established Patient

$103.51 typical visit price

range $19.32 – $144.79

Typical copayment $25.87 (range $4.83 – $36.19)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHERYL STOMBERG FNP

Nurse Practitioner (Family)