# Jonathan I Diamant, MD

Source: https://ourhealthnetwork.com/doctor/jonathan-diamant-md-1649358474
NPI: 1649358474
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Jonathan I Diamant, MD is a ophthalmology based in Vacaville, CA practicing at Permanente Medical Group Inc with NPI 1649358474.

## Profile

- Primary specialty: Ophthalmology
- Credential: MD
- Gender: Male
- Medical school: COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
- Graduation year: 1993
- NPI: 1649358474 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1649358474))

## Practice and contact

- Practice name: Permanente Medical Group Inc
- Address: 1 Quality Dr, Vacaville, CA, 956889494
- Phone: (707) 624-4000
- 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:

- [Kaiser Permanente Northern California](https://ourhealthnetwork.com/insurance/kaiser-permanente-northern-california) — 1 plan
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Jonathan I Diamant, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1649358474).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 2 disclosed payments from medical industry sources totaling approximately $225.

Largest disclosed payer: Genentech USA, Inc. ($120 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 Ophthalmology doctors in VACAVILLE, CA](https://ourhealthnetwork.com/ophthalmology/ca/vacaville)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1649358474)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)