Doctor profile · Federal record

Dr. Pierre Blais, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Gastroenterology Physician · Seattle, WA

  • NPI 1609138452
  • Accepts Medicare
  • 14 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11027 Meridian Ave N Ste 100
Seattle, WA 981331705
(206) 365-4492
fax (206) 368-3456

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
September 12, 2018
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (3)
Washington #60821860 · Texas #BP10043076 · Missouri #2015016238

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609138452. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
527
Distinct HCPCS
10
Medicare allowed
$74,949
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 102 102 $270
91010 Study of esophagus to assess movement 77 77 $69
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 59 58 $105
45380 Biopsy of large bowel using a flexible endoscope 46 46 $129
91037 Monitoring and recording of esophageal function through nasal tube with electrode 44 44 $52
99214 Established patient office or other outpatient visit, 30-39 minutes 38 35 $131
99215 Established patient office or other outpatient visit, 40-54 minutes 37 33 $188
91034 Monitoring and recording of esophageal function through nasal tube 27 27 $54
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 26 25 $125
99214 Established patient office or other outpatient visit, 30-39 minutes 22 21 $105

In context: peer comparison

Among 44 peers in this city , average services per provider: 39. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,024
Patients
620
Total drug cost
$31,969
Drug Type Claims Patients Total cost
Ondansetron Hcl Generic 190 176 $348
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 169 166 $3,011
Omeprazole Generic 146 51 $2,379
Nortriptyline Hcl Generic 98 30 $1,295
Metronidazole Generic 92 51 $720
Dicyclomine Hcl Generic 65 19 $855
Lubiprostone Generic 36 16 $13,610
Sucralfate Generic 36 24 $5,054
Baclofen Generic 33 11 $499
Famotidine Generic 30 12 $398

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Pierre Blais's medical specialty?
Dr. Pierre Blais practices Gastroenterology Physician in Seattle, WA.
Where does Dr. Pierre Blais practice?
Dr. Pierre Blais practices at 11027 Meridian Ave N Ste 100, Seattle, WA 981331705. Office phone: 2063654492.
What is Dr. Pierre Blais's NPI?
Dr. Pierre Blais's National Provider Identifier (NPI) is 1609138452, issued by NPPES.
Does Dr. Pierre Blais accept Medicare assignment?
Yes. Dr. Pierre Blais accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Pierre Blais commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Study of esophagus to assess movement (HCPCS 91010); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.