Susan C. Farrish, MD

Medicare activity in 2024

Official CMS public-use data for Susan C. Farrish, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)152 services
2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)23 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)21 services
4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)16 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 cholesterol60%
• High blood pressure59%
• Arthritis43%
• Diabetes26%
• Chronic kidney disease24%
• Anxiety23%

Hospitals where Susan C. Farrish works

Medicare's Facility Affiliation Data lists Susan C. Farrish 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.

• Palomar Medical Center PowayPoway, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050636

Practice locations

Addresses where Susan C. Farrish is enrolled with Medicare (CMS data updated October 2, 2026).

• 120 Craven Rd, Suite 201San Marcos, CA 92078
• 6605 Nancy Ridge DrSan Diego, CA 92121

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in San Marcos

Clinicians with the same Medicare primary specialty in San Marcos, CA — not a recommendation.

• Sophia Esparza, MD
• Julie M. Matias, DO
• Richard Pantarotto, MD
• Haley L. Morton, MD
• Elisa A. Wilson, MD
• Patricia J. Burns, MD
• Roozchehr Safi, MD
• Parinaz Abyari, MD

All family doctors in San Marcos →

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