Loading provider…
Loading provider…
Internal Medicine Physician in Sunnyvale, CA
NPI: 1104834407Primary Employer
Palo Alto Medial Foundation
sutterhealth.org
HQ Phone
Get MD Leon's Phone Numberphone_androidMobile
Get MD Leon's MobileLooking to connect with more Physicians?
Dmand AI gives you access to real-time firmographics, buying signals, org charts, and decision-makers - helping your GTM teams prioritize accounts, personalize outreach with AI-driven automation, and close deals faster.
Get Started for Freearrow_outwardCA State Medical License
CA State Medical License
2005 - 2025
VT State Medical License
2005 - 2005
WI State Medical License
2004 - 2005
IL State Medical License
2000 - 2004

American Board of Internal Medicine
Internal Medicine

American Board of Pediatrics
Pediatrics

American Board of Pediatrics
Sports Medicine
Rush University Medical Center
Residency • Internal Medicine/Pediatrics
2000 - 2004
Medical College Of Wisconsin
mcw.edu
Fellowship • Sports Medicine (Family Medicine)
2004 - 2005
UC Davis School of Medicine
health.ucdavis.edu
Medical School
Until 2000
| # | Procedure Code (CPT®/HCPCS II) | Procedure Patients | Procedure Volume |
|---|---|---|---|
| 1 | 99213Established patient office or other outpatient visit, typically 15 minutes | 97 | 139 |
| 2 | 99214Established patient office or other outpatient visit, 30-39 minutes | 79 | 116 |
| 3 | G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 42 | 42 |
| 4 | G0008Administration of influenza virus vaccine | 17 | 18 |
| 5 | 90694Influenza virus vaccine, quadrivalent (aiiv4), inactivated, adjuvanted, preservative free, for injection into muscle, 0.5 ml dosage | 16 | 17 |
Authors: Laurence Cheng, Jiaoti Huang
Journal: J Pathol
Acute, isolated lateral compartment syndrome after ankle inversion injury.
Authors: Cheng, Leon Y, Niedfeldt, Mark W, Lachacz, John, Raasch, William G
Journal: Clin J Sport Med