Eugene Lee, MD
NPI 1023049590 · Specialist · San Mateo, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eugene Lee, MD is a Specialist provider in San Mateo, CA (NPI 1023049590).
Provider details
- NPI number
- 1023049590
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A87261 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
737 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) |
|---|---|---|
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 117 | $105 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 98 | $289 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 98 | $154 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 85 | $204 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 69 | $92 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 408 | 150 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 192 | 192 |
| Famotidine | 169 | 64 |
| Sucralfate | 50 | 22 |
| Omeprazole | 48 | 20 |
| Dicyclomine Hcl | 30 | 11 |
| Tenofovir Alafenamidebrand: Vemlidy | 29 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$132 across 6 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
- 2006-07-05
- Last updated
- 2008-02-21
Frequently asked questions
- What is Eugene Lee's NPI number?
- Eugene Lee's National Provider Identifier (NPI) is 1023049590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eugene Lee's specialty?
- Eugene Lee is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Eugene Lee located?
- Eugene Lee's practice location on file with NPPES is 100 South Ellsworth Avenue, San Mateo, CA 94401-2708.
- What is Eugene Lee's phone number?
- The practice phone number listed in the NPPES registry for Eugene Lee is (650) 342-7432.
- Does Eugene Lee accept Medicare?
- Eugene Lee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eugene Lee's NPI active?
- Yes — Eugene Lee's NPI (1023049590) is active in the NPPES registry as of the last update on 2008-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.