Doctor profile · Federal record

Dr. Robert Wilechansky, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Internal Medicine Physician · Gastroenterology Physician · Transplant Hepatology Physician · Student in an Organized Health Care Education/Training Program · Portland, OR

  • NPI 1750743886
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
3303 S Bond Ave
Portland, OR 972394501
(503) 494-4373
fax (503) 418-4189
Additional location
15 Parkman St, Wang 5
Boston, MA 021143117
(617) 726-6609
Additional location
55 Fruit St
Boston, MA 021142696
(617) 726-2000

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
September 11, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Oregon #MD220757 · Massachusetts #267528

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750743886. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
57
Distinct HCPCS
1
Medicare allowed
$10,511
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 57 57 $184

In context: peer comparison

Among 45 peers in Portland Gastroenterology Physician, average services per provider: 59. This provider delivers 1.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
66
Patients
0
Total drug cost
$3,006
Drug Type Claims Patients Total cost
Omeprazole Generic 24 0 $627
Mirtazapine Generic 15 0 $120
Dicyclomine Hcl Generic 14 0 $449
Ursodiol Generic 13 0 $1,811

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Wilechansky's medical specialty?
Dr. Robert Wilechansky practices Gastroenterology Physician in Portland, OR.
Where does Dr. Robert Wilechansky practice?
Dr. Robert Wilechansky practices at 3303 S Bond Ave, Portland, OR 972394501. Office phone: 5034944373.
What is Dr. Robert Wilechansky's NPI?
Dr. Robert Wilechansky's National Provider Identifier (NPI) is 1750743886, issued by NPPES.
Does Dr. Robert Wilechansky accept Medicare assignment?
Yes. Dr. Robert Wilechansky accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Wilechansky commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.