Doctor profile · Federal record

Dr. Larissa Fujii-Lau, M.D.

Internal Medicine Physician (CMS: Gastroenterology) · Internal Medicine Physician · Rochester, MN

  • NPI 1518127919
  • Accepts Medicare
  • MIPS 92.1 / 100 · 2023
  • 18 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 1St St Sw
Rochester, MN 559050001
(507) 266-4347
fax (507) 284-0538

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
February 21, 2014
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Minnesota #54420 · Arizona #42176
Medicaid (4)
IA #ENROLLED · WI #ENROLLED · MN #ENROLLED · SD #ENROLLED

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518127919. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
858
Distinct HCPCS
10
Medicare allowed
$94,883
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 114 88 $65
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 104 100 $54
99213 Established patient office or other outpatient visit, 20-29 minutes 98 80 $67
99441 Telephone medical discussion with physician, 5-10 minutes 61 54 $36
45380 Biopsy of large bowel using a flexible endoscope 54 54 $95
43264 Removal of stone or debris from bile or pancreatic duct using a flexible endoscope 44 30 $94
43259 Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43 43 $208
43242 Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 39 36 $210
43276 Replacement of stent in pancreatic or bile duct using a flexible endoscope 39 11 $362
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 38 37 $234

In context: peer comparison

Among 101 peers in this city , average services per provider: 72. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$12,303
Transactions
30
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 11 $11,680.65
ABBVIE INC. 8 $178.18
Terumo Medical Corporation 1 $131.36
Takeda Pharmaceuticals U.S.A., Inc. 4 $95.85
Endogastric Solutions, Inc 1 $95.16
Regeneron Healthcare Solutions, Inc. 2 $65.88
PFIZER INC. 2 $34.72
Medtronic, Inc. 1 $20.81

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$9,500
Travel and Lodging
$1,655
Food and Beverage
$1,148

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
546
Patients
215
Total drug cost
$78,793
Drug Type Claims Patients Total cost
Omeprazole Generic 263 111 $4,181
Pantoprazole Sodium Generic 94 35 $1,605
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 39 38 $886
Ciprofloxacin Hcl Generic 32 31 $114
Creon (Lipase/Protease/Amylase) Brand 27 0 $47,800
Linzess (Linaclotide) Brand 25 0 $21,353
Famotidine Generic 22 0 $1,402
Sucralfate Generic 17 0 $442
Azathioprine Generic 14 0 $869
Dicyclomine Hcl Generic 13 0 $141

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Larissa Fujii-Lau's medical specialty?
Dr. Larissa Fujii-Lau practices Internal Medicine Physician in Rochester, MN.
Where does Dr. Larissa Fujii-Lau practice?
Dr. Larissa Fujii-Lau practices at 200 1St St Sw, Rochester, MN 559050001. Office phone: 5072664347.
What is Dr. Larissa Fujii-Lau's NPI?
Dr. Larissa Fujii-Lau's National Provider Identifier (NPI) is 1518127919, issued by NPPES.
Does Dr. Larissa Fujii-Lau accept Medicare assignment?
Yes. Dr. Larissa Fujii-Lau accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Larissa Fujii-Lau commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.