Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Hyosun Ahn

Individual provider Occupational Therapist · NPI 1255820478

Hyosun Ahn is an Occupational Therapist in Private Practice in Sunnyvale, California. Qualified in 2005, 21 years ago. Practices with Orthopaedic and Neurological Rehab Inc, a 417-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
21
Licensed in
CA
In the registry since
2018

Practice location Address checks out

1039 E El Camino Real
Sunnyvale, CA 94087-7719
Phone: (408) 599-0088
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X · Licence 8597 (CA)

Record details

NPI number1255820478
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedMay 3, 2018
Last updated in NPPESMay 3, 2018
Mailing address1039 E El Camino Real, Sunnyvale, CA 94087-7719

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOCCUPATIONAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Orthopaedic And Neurological Rehab Inc — 417 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Sunnyvale