Doctor profile · Federal record

Dr. Michael Bialos, MD

Anesthesiology Physician (CMS: Anesthesiology) · Seattle, WA

  • NPI 1245212703
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1959 Ne Pacific St
Seattle, WA 98195
(206) 598-4300
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
June 12, 2018
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Washington #MD60542279
Medicaid
WA #1245212703

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245212703. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
37
Distinct HCPCS
2
Medicare allowed
$5,483
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 23 22 $146
00811 Anesthesia for other procedure on large bowel using an endoscope 14 14 $151

In context: peer comparison

Among 172 peers in Seattle Anesthesiology Physician, average services per provider: 23. This provider delivers 1.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Bialos's medical specialty?
Dr. Michael Bialos practices Anesthesiology Physician in Seattle, WA.
Where does Dr. Michael Bialos practice?
Dr. Michael Bialos practices at 1959 Ne Pacific St, Seattle, WA 98195. Office phone: 2065984300.
What is Dr. Michael Bialos's NPI?
Dr. Michael Bialos's National Provider Identifier (NPI) is 1245212703, issued by NPPES.
Does Dr. Michael Bialos accept Medicare assignment?
Yes. Dr. Michael Bialos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Bialos commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.