Quick answers
- Where does Jonathan A. Sy see patients?
- Medicare's clinician data lists 7 practice locations, including Yuba City, CA, Redding, CA and Oroville, CA. Call before your visit to confirm the address.
- What is Jonathan A. Sy's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Jonathan A. Sy accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan A. Sy accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Jonathan A. Sy?
- (530) 673-9420, as listed in official Medicare / NPI Registry data.
- What is Jonathan A. Sy's NPI number?
- 1629339148. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Jonathan A. Sy is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1000 Sutter StYuba City, CA 95991 (530) 673‑9420
- 2640 Breslauer WayRedding, CA 96001 (530) 225‑5200
- 2800 Lincoln StOroville, CA 95966 (530) 534‑7500
- 355 Samuel DrYuba City, CA 95991 (530) 674‑9200
- 4941 Olivehurst AveOlivehurst, CA 95961 (530) 743‑4611
Group practices
Medicare enrollment lists Jonathan A. Sy as a member of these groups (CMS data updated 2026-10-02).
- Ampla Health101 clinicians in the group
- County of Shasta14 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Yuba City
Clinicians with the same Medicare primary specialty in Yuba City, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629339148 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians