# William S Baek, M.D

Source: https://ourhealthnetwork.com/doctor/william-baek-md-1326095977
NPI: 1326095977
Data source: CMS NPI Registry (NPPES), refreshed monthly

## Quick facts

William S Baek, M.D is a neurology based in Upland, CA with NPI 1326095977.

## Profile

- Primary specialty: Neurology
- Credential: M.D
- Gender: Male
- NPI: 1326095977 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1326095977))

## Practice and contact

- Address: 630 N 13th Ave, Suite B, Upland, CA, 917864975
- Phone: (909) 982-2719

## 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) — 8 plans
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 4 plans
- [Blue Shield of California](https://ourhealthnetwork.com/insurance/blue-shield-of-california) — 3 plans
- [Molina Healthcare](https://ourhealthnetwork.com/insurance/molina-healthcare) — 2 plans

To verify a specific plan covers William S Baek, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1326095977).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 142 disclosed payments from medical industry sources totaling approximately $13,349.

Largest disclosed payer: ABBVIE INC. ($10,712 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 Neurology doctors in UPLAND, CA](https://ourhealthnetwork.com/neurology/ca/upland)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1326095977)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)