James S. Dunn Jr., MD

Medicare activity in 2024

Official CMS public-use data for James S. Dunn Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Injection, onabotulinumtoxina, 1 unit (J0585)13,650 services
2. Simple bladder irrigation and/or instillation (51700)1,233 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)946 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)853 services
5. Pelvic exam (99459)596 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High cholesterol74%
• High blood pressure60%
• Arthritis56%
• Anxiety29%
• Depression26%
• Osteoporosis26%

Hospitals where James S. Dunn Jr. works

Medicare's Facility Affiliation Data lists James S. Dunn Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Sierra Nevada Memorial HospitalGrass Valley, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050150
• Sutter Auburn Faith HospitalAuburn, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050498
• Sutter Roseville Medical CenterRoseville, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050309

Practice locations

Addresses where James S. Dunn Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 11795 Education St, Suite 222Auburn, CA 95602 (530) 886‑6660

Specialties

• Obstetrics/Gynecologyprimary
• Urologyalso

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

• Eve A. Lavalley Willsey, MD
• Mokshasree Atluri, DO
• Carol Darwish, MD
• Eimaneh Mostofian, MD
• Hanh T. Tran, DO
• Ariana M. Banuelos, MD
• Maria E. Martin, MD
• Ilene Newman, MD

All OB-GYNs in California →

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians