Larissa Fujii-Lau, M.D.
NPI 1518127919 · Internal Medicine Physician · Rochester, MN
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Larissa Fujii-Lau, M.D. is a Internal Medicine Physician provider in Rochester, MN (NPI 1518127919).
Provider details
- NPI number
- 1518127919
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 54420 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
945 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 144 | $65 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 114 | $53 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 101 | $91 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 53 | $48 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 51 | $110 |
| Removal of Stone Or Debris From Bile Or Pancreatic Duct Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 234 | 106 |
| Pantoprazole Sodium | 85 | 37 |
| Ciprofloxacin Hcl | 41 | 31 |
| Lipase/Protease/Amylasebrand: Creon | 39 | 12 |
| Famotidine | 29 | 15 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 27 | 26 |
| Dicyclomine Hcl | 17 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$12,303 across 30 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-10
- Last updated
- 2014-02-21
Frequently asked questions
- What is Larissa Fujii-Lau's NPI number?
- Larissa Fujii-Lau's National Provider Identifier (NPI) is 1518127919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Larissa Fujii-Lau's specialty?
- Larissa Fujii-Lau is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Larissa Fujii-Lau located?
- Larissa Fujii-Lau's practice location on file with NPPES is 200 1st St Sw, Rochester, MN 55905-0001.
- What is Larissa Fujii-Lau's phone number?
- The practice phone number listed in the NPPES registry for Larissa Fujii-Lau is (507) 266-4347.
- Does Larissa Fujii-Lau accept Medicare?
- Larissa Fujii-Lau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Larissa Fujii-Lau's NPI active?
- Yes — Larissa Fujii-Lau's NPI (1518127919) is active in the NPPES registry as of the last update on 2014-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.