Simon Lo, M.D.
NPI 1255368874 · Gastroenterology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Simon Lo, M.D. is a Gastroenterology Physician provider in Los Angeles, CA (NPI 1255368874).
Provider details
- NPI number
- 1255368874
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G51850 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
518 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) |
|---|---|---|
| Replacement of Stent in Pancreatic Or Bile Duct Using a Flexible Endoscope43276 | 69 | $380 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 61 | $70 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 58 | $81 |
| Ultrasound Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43259 | 49 | $231 |
| Review By Radiologist of Image From Tube Placement Into Bile Duct Using an Endoscope74328 | 49 | $25 |
| Insertion of Stent Into Pancreatic Or Bile Duct Using a Flexible Endoscope43274 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$57,260 across 50 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
- 2006-06-27
- Last updated
- 2014-08-06
Frequently asked questions
- What is Simon Lo's NPI number?
- Simon Lo's National Provider Identifier (NPI) is 1255368874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Simon Lo's specialty?
- Simon Lo is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Simon Lo located?
- Simon Lo's practice location on file with NPPES is 8700 Beverly Blvd., Los Angeles, CA 90048-1865.
- What is Simon Lo's phone number?
- The practice phone number listed in the NPPES registry for Simon Lo is (310) 423-6082.
- Does Simon Lo accept Medicare?
- Simon Lo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Simon Lo's NPI active?
- Yes — Simon Lo's NPI (1255368874) is active in the NPPES registry as of the last update on 2014-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.