Katherine A. Farrar, PA

Medicare activity in 2024

Official CMS public-use data for Katherine A. Farrar, 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. Critical care, first 30-74 minutes (99291)230 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)37 services
3. Critical care, each additional 30 minutes (99292)26 services
4. Insertion of artery tube for blood sampling or infusion through skin (36620)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 blood pressure75%
• High cholesterol73%
• Chronic kidney disease62%
• Diabetes53%
• Heart failure52%
• Ischemic heart disease49%

Hospitals where Katherine A. Farrar works

Medicare's Facility Affiliation Data lists Katherine A. Farrar 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.

• Alta Bates Summit Medical CenterOakland, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050043
• Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050305

Practice locations

Addresses where Katherine A. Farrar is enrolled with Medicare (CMS data updated October 2, 2026).

• 1800 N California StStockton, CA 95204 (209) 943‑2000
• 20103 Lake Chabot RdCastro Valley, CA 94546 (510) 537‑1234
• 2450 Ashby AveBerkeley, CA 94705 (510) 204‑4444
• 350 Hawthorne AveOakland, CA 94609 (510) 655‑4000

Group practices

Medicare enrollment lists Katherine A. Farrar as a member of this group (CMS data updated October 2, 2026).

• Inpatient Specialists of California PC385 clinicians in the group

Specialties

• Physician Assistantprimary

Find other clinicians: Physician Assistant, California →

Other physician assistants in Stockton

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

• Amy L. Zmyslinski, PA
• Jennifer L. Van Buskirk, PA
• Jennifer L. Owings, PA
• Saman Latifi, PA
• John L. Ancona, PA
• Marjon H. Samimi, PA
• Cecilia Alvarez Barajas, PA
• Lauren Riddle, PA

All physician assistants in Stockton →

Other clinicians in Inpatient Specialists of California PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Kshitij Chatterjee, MD
• Matthew Schrader, DO
• Dharmakaruna S. Edara, MD
• Lakshay Jain, MD
• Patrick J. Kurt, MD
• Nguyen-Steve D. Vu, MD

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