# William Norman Hamstra, DO

Source: https://ourhealthnetwork.com/doctor/william-hamstra-do-1306835723
NPI: 1306835723
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

William Norman Hamstra, DO is a general surgery based in Stockton, CA practicing at Permanente Medical Group Inc with NPI 1306835723.

## Profile

- Primary specialty: General Surgery
- Credential: DO
- Gender: Male
- Medical school: OKLAHOMA STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
- Graduation year: 1986
- NPI: 1306835723 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1306835723))

## Practice and contact

- Practice name: Permanente Medical Group Inc
- Address: 7373 W Lane, Stockton, CA, 952103377
- Phone: (209) 476-2000
- Group practice size: 10921 members

## Insurance accepted (2 networks)

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

- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 4 plans
- [Kaiser Permanente Northern California](https://ourhealthnetwork.com/insurance/kaiser-permanente-northern-california) — 1 plan

To verify a specific plan covers William Norman Hamstra, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1306835723).

## Related on OurHealthNetwork

- [More General Surgery doctors in STOCKTON, CA](https://ourhealthnetwork.com/general-surgery/ca/stockton)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1306835723)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)