Pilsoo Oh, MD
NPI 1043296866 · Gastroenterology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Pilsoo Oh, MD is a Gastroenterology Physician provider in Los Angeles, CA (NPI 1043296866).
Provider details
- NPI number
- 1043296866
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 217683 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
20 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
827 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 170 | $139 |
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 | 142 | $6 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 141 | $81 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 108 | $115 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 55 | $68 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 324 | 314 |
| Omeprazole | 262 | 138 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 232 | 231 |
| Linaclotidebrand: Linzess | 55 | 19 |
| Tenofovir Disoproxil Fumarate | 46 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 44 | 43 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$129 across 5 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
- 2005-12-22
- Last updated
- 2010-09-28
Frequently asked questions
- What is Pilsoo Oh's NPI number?
- Pilsoo Oh's National Provider Identifier (NPI) is 1043296866, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Pilsoo Oh's specialty?
- Pilsoo Oh is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Pilsoo Oh located?
- Pilsoo Oh's practice location on file with NPPES is 520 S Virgil Ave, Los Angeles, CA 90020-1416.
- What is Pilsoo Oh's phone number?
- The practice phone number listed in the NPPES registry for Pilsoo Oh is (213) 368-0360.
- Does Pilsoo Oh accept Medicare?
- Pilsoo Oh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Pilsoo Oh's NPI active?
- Yes — Pilsoo Oh's NPI (1043296866) is active in the NPPES registry as of the last update on 2010-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.