Search › California › 324500000X
Derek Helfrich, NONE
NPI 1881577724 · on the registry since 2025 · sole proprietor
Practice
- Address
- 19331 Susan Way
Sonora, CA 95370 - Phone
- (209) 396-2948
- Fax
- (209) 396-3345
- Clinicians at this address
- 4
Registry record
- Primary taxonomy
- 324500000X
324500000X
- Sex
- Male
- Record last updated
- 2025-07-29
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in California