# William Oh, MD

Source: https://ourhealthnetwork.com/doctor/william-oh-md-1598100323
NPI: 1598100323
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

William Oh, MD is a colorectal surgery (proctology) based in Newport Beach, CA practicing at Hoag Clinic with NPI 1598100323.

## Profile

- Primary specialty: Colorectal Surgery (proctology)
- Credential: MD
- Gender: Male
- Graduation year: 2013
- NPI: 1598100323 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1598100323))

## Practice and contact

- Practice name: Hoag Clinic
- Address: 1 Hoag Dr, Newport Beach, CA, 926634162
- Group practice size: 436 members

## Insurance accepted (5 networks)

This provider is in network with the following insurance carriers, based on federal Transparency in Coverage filings and FHIR provider directories:

- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 17 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 9 plans
- [Blue Shield of California](https://ourhealthnetwork.com/insurance/blue-shield-of-california) — 3 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 1 plan

To verify a specific plan covers William Oh, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1598100323).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 5 disclosed payments from medical industry sources totaling approximately $134.

Largest disclosed payer: INTUITIVE SURGICAL, INC. ($61 cumulative).

Source: CMS Open Payments program (federal financial-transparency dataset). Industry payment disclosures do not imply any wrongdoing; many are legitimate consulting fees, research support, or speaker honoraria.

## Related on OurHealthNetwork

- [More Colorectal Surgery (proctology) doctors in NEWPORT BEACH, CA](https://ourhealthnetwork.com/colorectal-surgery-proctology/ca/newport-beach)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1598100323)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)