# John L. Tatman, MD

Source: https://ourhealthnetwork.com/doctor/john-tatman-md-1184701021
NPI: 1184701021
Data source: CMS NPI Registry (NPPES), refreshed monthly

## Quick facts

John L. Tatman, MD is a gynecological oncology based in Santa Clara, CA with NPI 1184701021.

## Profile

- Primary specialty: Gynecological Oncology
- Credential: MD
- Gender: Male
- NPI: 1184701021 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1184701021))

## Practice and contact

- Address: 710 Lawrence Expy, Santa Clara, CA, 950515173
- Phone: (408) 851-1000

## 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 $83.

Largest disclosed payer: Merck Sharp & Dohme LLC ($43 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

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- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1184701021)
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- [About our data and methodology](https://ourhealthnetwork.com/methodology)