Clinicians affiliated with Western Sierra Medical Clinic Inc
36 clinicians on file with this group · most practice in Truckee-Grass Valley, CA · PAC ID 3971571217
19 clinicians affiliated with Western Sierra Medical Clinic Inc are in the 2024 Medicare Part B data, 8 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 · Physician Assistant (6) · Family Practice (4) · Nurse Practitioner (4) · Cardiology (1) · Emergency Medicine (1) · Obstetrics & Gynecology (1) · Ophthalmology (1) · Podiatry (1)
Specialty links go to the specialty in Truckee-Grass Valley, CA.
Clinicians affiliated with Western Sierra Medical Clinic Inc, 2024
Alphabetical by last name; 19.
| Name | Specialty | City |
|---|---|---|
| Daniel C Barry, PA-C | Physician Assistant | Downieville, CA |
| Joseph C Britton, M.D. | Emergency Medicine | Grass Valley, CA |
| Derrick S Brown, MD | Family Practice | Saint Paul, MN |
| Angela L Collins, PA-C | Physician Assistant | Hermitage, TN |
| Kerri Fjeld, RN, FNP-C | Nurse Practitioner | Piedmont, CA |
| Kirsten George, PA-C | Physician Assistant | Grass Valley, CA |
| Alan F Gruenefeldt, MD | Family Practice | Auburn, CA |
| Melissa A Gustafson | Nurse Practitioner | Grass Valley, CA |
| Thomas A Jacobs, DPM | Podiatry | Columbus, GA |
| Faye W Jensen, M.D. | Obstetrics & Gynecology | Grass Valley, CA |
| Karen D Lee, NP | Nurse Practitioner | Penn Valley, CA |
| Jessica L Lusignan, FNP-BC | Nurse Practitioner | Grass Valley, CA |
| Veronica S Minier, MD | Family Practice | Grass Valley, CA |
| Mehran Moussavian, DO | Cardiology | Chula Vista, CA |
| Robert E Olson, P.A-C | Physician Assistant | Marysville, CA |
| Marcella Pierce, PA-C | Physician Assistant | Grass Valley, CA |
| Peter D Vanhouten, M.D. | Family Practice | Nevada City, CA |
| Karen R Walker, PA-C | Physician Assistant | Auburn, CA |
| Matthew Zealear, M.D. | Ophthalmology | Grass Valley, 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