Real-time verification against NPPES/HealthSherpa
Lun-Dom 8am-8pm CT
🔍 Find providers
Helen Yang
Internal Medicine Physician207R00000X
🩺 Doctor✓ NPPES Verified● Active
- NPI
- 1003270877
- City
- Castro Valley, CA
- Phone
- (510) 806-2100
- Languages
- English
Location
Open in Google Maps →20642 John Dr, Castro Valley, CA, 94546
About the specialty
Internal Medicine Physician
When it comes to your family's health, having a trusted physician who knows your complete medical history is invaluable. An Internal Medicine Physician is a comprehensive healthcare specialist trained to manage both common and complex illnesses across all ages—from adolescents through the elderly…
More about Internal Medicine Physician →Get your quote
Simulated estimate. Not connected to HealthSherpa yet.