# Mark Clark, MD

Source: https://ourhealthnetwork.com/doctor/mark-clark-md-1891874665
NPI: 1891874665
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Mark Clark, MD is a internal medicine based in San Francisco, CA practicing at One Medical Group Inc with NPI 1891874665.

## Profile

- Primary specialty: Internal Medicine
- Secondary specialties: GENERAL SURGERY
- Credential: MD
- Gender: Male
- Medical school: LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
- Graduation year: 1982
- NPI: 1891874665 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1891874665))

## Practice and contact

- Practice name: One Medical Group Inc
- Address: 840 Irving St, San Francisco, CA, 941222311
- Phone: (415) 590-6140
- Group practice size: 319 members

## Insurance accepted (3 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) — 10 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 4 plans

To verify a specific plan covers Mark Clark, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1891874665).

## Related on OurHealthNetwork

- [More Internal Medicine doctors in SAN FRANCISCO, CA](https://ourhealthnetwork.com/internal-medicine/ca/san-francisco)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1891874665)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)