Trends · data through September 2026

Internal Medicine in California

Iceflower tracks 130 stores from 114 internal medicine chains in California. UCSF grew fastest over the last year, ahead of Sharp Rees-Stealy and cCARE.

Rankings come from real card and bank transactions across a panel of 130M+ US and EU consumers. We publish relative growth and rankings, never revenue figures. About the data

Tracked chains
114
Tracked stores
130
Consumer panel
130M+

Growth ranking

Fastest-growing tracked internal medicine chains

Ranked by year-over-year growth of share of tracked local spend. Arrows show movement in the rankings since last year. Each dot in the chart is one tracked chain: bigger market position to the right, faster growth higher up, more tracked stores in a bigger dot. Colors match the store map below. UCSF and Sharp Rees-Stealy sit in the high-growth half.

# Chain YoY growth
RankChainRank movementYoY growth
1 U UCSF ▲1 +19.8%
2 S Sharp Rees-Stealy - +0.3%
3 C cCARE - -13.1%
4 S Southland Arthritis ▼1 -22.4%
  • Centric Health
  • Graybill Medical Group
  • Providence Medical Group
  • Sharp Rees-Stealy
  • Adventist Health Ukiah Valley
  • The Oncology Institute
  • UCSF
  • Other tracked chains

Store footprint

Store map

130 tracked store locations in California. The 7 largest tracked chains are highlighted.

  • Centric Health (1)
  • Graybill Medical Group (1)
  • Providence Medical Group (1)
  • Sharp Rees-Stealy (3)
  • Adventist Health Ukiah Valley (1)
  • The Oncology Institute (1)
  • UCSF (5)
  • Other tracked chains

Top tracked chains by store count

  • 1 U UCSF 5
  • 2 S Southland Arthritis 5
  • 3 C cCARE 4
  • 4 S Sharp Rees-Stealy 3
  • 5 S SignatureMD logo SignatureMD 2
  • 6 D Digestive Disease Consultants of Orange County 2
  • 7 C Citrus Valley Gastroenterology 2
  • 8 C Comprehensive GI Care 1
  • 9 G Glatt Medical 1
  • 10 C Charles Le 1
  • 11 I Internal Medicine Associates 1
  • 12 M Merced Lung & Sleep Specialists 1
  • 13 E Edward Kocharian 1
  • 14 L Lemi Medical Center 1
  • 15 O Optimus Medical Group Inc 1
  • 16 D Digestive Disease Center 1
  • 17 S Sharna Shachar, MD 1
  • 18 P Pulmonary and Sleep Associates of Marin 1
  • 19 I Inland Neurosurgery Institute 1
  • 20 S Santa Monica Medical Clinic 1
  • 21 I Institute For Specialized Medicine 1
  • 22 C Carewell Arthritis Center 1
  • 23 C Carlos Santivanez, MD 1
  • 24 C Center for Diabetes and Endocrinology 1
  • 25 V Virtue Primary Care 1
  • 26 N Neurology Center of North Orange County 1
  • 27 M Monica Budianu, MD 1
  • 28 B Bernard Michlin 1
  • 29 U UCLA Health - Culver City 1
  • 30 D Digestive Disease Consultants 1
  • 31 D David Stanford 1
  • 32 L Lodi Urgent Care 1
  • 33 A Amicus Arthritis and Osteoporosis 1
  • 34 W William F. Baker Jr., MD 1
  • 35 S Sumeet Bhinder MD 1
  • 36 K Kern Endocrine Center 1
  • 37 J Jeannette Del Valle, MD 1
  • 38 I InSite Digestive Health Care 1
  • 39 C Comprehensive Medical Group of Kern 1
  • 40 R Richard C Lam MD & Associates 1
  • 41 N North County Internist 1
  • 42 P Pacific Rheumatology Associates 1
  • 43 R Richard Chun 1
  • 44 O Optum - San Bernardino Medical Group 1
  • 45 V Vladimir Royter 1
  • 46 E Edward P Laurance MD INC 1
  • 47 U UCLA Health Burbank Cardiology 1
  • 48 F Francisco Martinez 1
  • 49 J Jeri Yvonne Movement Disorders Neurology 1
  • 50 M Manish Upadhyay, MD 1

More trends

Ready to see your market clearly?

Create an account, pick a plan, and explore your merchants, competitors and customers the way they actually behave.