PILSOO OH MD
NPI 1043296866
Internal Medicine - Gastroenterology in Los Angeles, CA
About Pilsoo Oh Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PILSOO OH MD (NPI 1043296866) is an individual gastroenterology provider in Los Angeles, California, licensed in California (A100119) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Boston University School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Pilsoo Oh Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Pilsoo Oh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90020
- Reassigned Medicare billing, California enrollment
- 4 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90020 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90020
LOS ANGELES, CA 90020
LOS ANGELES, CA 90020
LOS ANGELES, CA 90020
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Pilsoo Oh's NPI number?
The NPI number for Pilsoo Oh is 1043296866. It was assigned to this individual provider in the NPPES registry on December 22, 2005.
Where is Pilsoo Oh located?
Pilsoo Oh practices at 520 S Virgil Ave Suite 202, Los Angeles, CA 90020. The listed phone number is (213) 368-0360.
What is Pilsoo Oh's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Pilsoo Oh enrolled in Medicare?
Yes. Pilsoo Oh is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Pilsoo Oh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Pilsoo Oh reassigns Medicare benefits to Ho S Bae M D Inc (Los Angeles, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Pilsoo Oh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Pilsoo Oh was last updated on September 28, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Pilsoo Oh, MD · NPI 1043296866
Gastroenterology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since December 22, 2005.
## Identity
- **NPI:** 1043296866 (Entity type: Individual)
- **Enumerated:** December 22, 2005
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** A100119 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 520 S VIRGIL AVE, SUITE 202, Los Angeles, CA 90020-1416
- **Phone:** (213) 368-0360 · **Fax:** (213) 368-0976
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Ho S Bae M D Inc (NPI 1659513836, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** September 28, 2010
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Source: [NPI Profile](https://npiprofile.com/npi/1043296866) · Data from the CMS NPPES public registry.