Doctor profile · Federal record

Dr. Stephen Rulyak, MD

Gastroenterology Physician (CMS: Gastroenterology) · Seattle, WA

  • NPI 1447330436
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1145 Broadway, The Polyclinic
Seattle, WA 98122
(206) 329-1760

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
June 16, 2015
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Washington #MD00038512
Medicaid
WA #1010681

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447330436. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
224
Distinct HCPCS
7
Medicare allowed
$23,731
HCPCS Description Services Patients Avg allowed
G0500 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 72 67 $6
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 42 40 $104
45380 Biopsy of large bowel using a flexible endoscope 42 42 $128
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 28 28 $260
45331 Biopsy of lower large bowel using a flexible endoscope 16 15 $70
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 13 13 $194
43238 Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope 11 11 $244

In context: peer comparison

Among 44 peers in Seattle Gastroenterology Physician, average services per provider: 39. This provider delivers 5.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
102
Patients
88
Total drug cost
$4,185
Drug Type Claims Patients Total cost
Omeprazole Generic 35 22 $503
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 26 25 $448
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 26 26 $2,021
Peg3350-Sod Sul-Nacl-Kcl-Asb-C (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) Brand 15 15 $1,213

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Rulyak's medical specialty?
Dr. Stephen Rulyak practices Gastroenterology Physician in Seattle, WA.
Where does Dr. Stephen Rulyak practice?
Dr. Stephen Rulyak practices at 1145 Broadway, Seattle, WA 98122. Office phone: 2063291760.
What is Dr. Stephen Rulyak's NPI?
Dr. Stephen Rulyak's National Provider Identifier (NPI) is 1447330436, issued by NPPES.
Does Dr. Stephen Rulyak accept Medicare assignment?
Yes. Dr. Stephen Rulyak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Rulyak commonly perform?
Top Medicare-reported procedures in 2023: 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 (HCPCS G0500); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.