Doctor profile · Federal record

Dr. Lulu Iles-Shih, M.D.

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

  • NPI 1275748691
  • Accepts Medicare
  • 20 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1221 Madison St, Ste. 1220
Seattle, WA 981043588
(206) 215-4250
Additional location
5350 Tallman Ave Nw Ste 520
Seattle, WA 981075910
fax (206) 215-4252
Mailing address
1121 Madison Street, Suite #1220
Seattle, WA 98104

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
May 18, 2021
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Washington #MD60316515 · Oregon #MD29111
Medicaid
WA #1275748691

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275748691. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
191
Distinct HCPCS
7
Medicare allowed
$30,607
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 70 69 $164
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 38 35 $110
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 25 24 $256
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 18 17 $127
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 15 15 $189
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 14 14 $135
99214 Established patient office or other outpatient visit, 30-39 minutes 11 11 $140

In context: peer comparison

Among 44 peers in Seattle Gastroenterology Physician, average services per provider: 39. This provider delivers 4.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
744
Patients
332
Total drug cost
$77,850
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 146 144 $2,601
Omeprazole Generic 94 26 $1,486
Mesalamine Generic 74 15 $41,013
Mesalamine ER (Mesalamine) Brand 71 0 $22,100
Azathioprine Generic 56 12 $2,100
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 44 42 $1,119
Sodium Chloride (0.9 % Sodium Chloride) Brand 41 0 $2,057
Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 34 34 $642
Dicyclomine Hcl Generic 33 0 $818
Famotidine Generic 30 0 $363

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lulu Iles-Shih's medical specialty?
Dr. Lulu Iles-Shih practices Gastroenterology Physician in Seattle, WA.
Where does Dr. Lulu Iles-Shih practice?
Dr. Lulu Iles-Shih practices at 1221 Madison St, Seattle, WA 981043588. Office phone: 2062154250.
What is Dr. Lulu Iles-Shih's NPI?
Dr. Lulu Iles-Shih's National Provider Identifier (NPI) is 1275748691, issued by NPPES.
Does Dr. Lulu Iles-Shih accept Medicare assignment?
Yes. Dr. Lulu Iles-Shih accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lulu Iles-Shih commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.