Clinicians affiliated with Contra Costa Pathology Associates

7 clinicians on file with this group · most practice in San Francisco-Oakland-Fremont, CA · PAC ID 6608893128

Affiliation snapshotOctober 2, 2026CMS Doctors and Clinicians file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

7 clinicians affiliated with Contra Costa Pathology Associates are in the 2024 Medicare Part B data, 7 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.

Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report

Affiliated clinicians by specialty, 2024

All specialties · Pathology (7)

Specialty links go to the specialty in San Francisco-Oakland-Fremont, CA.

Clinicians affiliated with Contra Costa Pathology Associates, 2024

Alphabetical by last name; 7.

NameSpecialtyCity
Nicholas P Byrne, MDPathologyWalnut Creek, CA
Dennis Hwang, MDPathologyWalnut Creek, CA
Kari Kakazu, MDPathologySpokane Valley, WA
Risha B Ramdall, M.D.PathologyWalnut Creek, CA
Nader Shihabi, MDPathologyConcord, CA
Rebecca Spies, M.D.PathologySan Francisco, CA
David N ZlotnickPathologyPleasant Hill, CA

Practice locations

Listed practice locations in California.

Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.

Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations