Jonathan Sy, M.D.
NPI 1629339148 · Psychiatry Physician · Yuba City, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Sy, M.D. is a Psychiatry Physician provider in Yuba City, CA (NPI 1629339148).
Provider details
- NPI number
- 1629339148
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 312170 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
375 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 124 | $89 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 65 | $123 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 51 | $58 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 45 | $55 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 35 | $183 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cariprazine Hclbrand: Vraylar | 338 | 43 |
| Olanzapine | 333 | 46 |
| Clozapine | 204 | 19 |
| Sertraline Hcl | 163 | 31 |
| Trazodone Hcl | 156 | 45 |
| Fluoxetine Hcl | 109 | 22 |
| Aripiprazole | 97 | 25 |
Practice location
Mailing address
Additional practice locations (1)
- 2640 Breslauer WayRedding, CA 96001-4246Phone: (530) 245-6011
Registry dates
- Enumerated
- 2012-05-31
- Last updated
- 2026-03-24
- Certified
- 2026-03-24
Frequently asked questions
- What is Jonathan Sy's NPI number?
- Jonathan Sy's National Provider Identifier (NPI) is 1629339148, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Sy's specialty?
- Jonathan Sy is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Sy located?
- Jonathan Sy's practice location on file with NPPES is 1000 Sutter St, Yuba City, CA 95991-3504.
- What is Jonathan Sy's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Sy is (530) 673-9420.
- Does Jonathan Sy accept Medicare?
- Jonathan Sy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Sy's NPI active?
- Yes — Jonathan Sy's NPI (1629339148) is active in the NPPES registry as of the last update on 2026-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.