NPPES file of Aug 9, 2026

Jonathan Alabanza Sy, M.D.

Psychiatry Physician · Yuba City, CA

Jonathan Alabanza Sy, M.D. is a psychiatry physician with a practice address in Yuba City, California, and NPI 1629339148, issued on May 31, 2012. Check the license (California A141653, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629339148
Name
Jonathan Alabanza Sy
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
A141653 CA
E-11909 AR
57439 AZ
DR.0062272 CO
082018 GA
and 7 more
Self-reported in NPPES; status is on the state search
Practice location
1000 Sutter St, Yuba City, CA 95991
Phone
(530) 673-9420
Enumerated
May 31, 2012
Record last updated
Mar 24, 2026
Medicare enrollment
Enrolled (PECOS I20170110001535); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 2012
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1000 Sutter St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mustafa Ammar, M.D.Internal Medicine Physician1558363168
  2. Prabhjot Aujla, PA-CPhysician Assistant1659949659
  3. Thinn Aung, M.D.Pediatrics Physician1528050770
  4. Kami Bath, MSN, FNPFamily Nurse Practitioner1114173465
  5. Shameem BathPharmacist1023900131
  6. Vanessa Campos, ASWClinical Social Worker1134832702

Verify Jonathan Alabanza Sy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A141653
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.2 times the Medicare Part D claims of the average psychiatry physician in 2024

3,160 Medicare Part D claims for 171 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Jonathan Sy3,160
  2. Specialty average1,000

Most prescribed

  1. Vraylar338 claims
  2. Olanzapine333 claims
  3. Clozapine204 claims
  4. Sertraline Hcl163 claims
  5. Trazodone Hcl156 claims
  6. Fluoxetine Hcl109 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Ampla HealthYuba City, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jonathan Alabanza Sy among 8,673 psychiatry physician records in California

Jonathan Alabanza Sy, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 66% of them.

  • NPI issued2012 · 66% of these records are older, 31% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 38% of these records are
  • Graduated2012 · median 2005 among the 3,295 with a school on file
  • Record last updated2026 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in California

There are 8,673 psychiatry physician records in California.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Navneet Bains, MDYuba City, CA 959911861847758
  2. Christopher Barnett, M.D.Yuba City, CA 959911306037312
  3. Edward Benbow, M.D.Yuba City, CA 959911700917002
  4. Rosa Chung, DOYuba City, CA 959911750814893
  5. Zhila Haghbin, M.DYuba City, CA 959911194868497
  6. Raul Hizon, M.D.Yuba City, CA 959911619068152
  7. Alissa Kraisosky, MDYuba City, CA 959911134207285
  8. Abigail Landenberger, DOYuba City, CA 959911912586843

Common questions

What is Jonathan Alabanza Sy, M.D.'s NPI number?

Jonathan Alabanza Sy, M.D.'s National Provider Identifier (NPI) is 1629339148, issued on May 31, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Alabanza Sy, M.D. located?

The NPPES record lists a practice address at 1000 Sutter St, Yuba City, CA, 95991. Phone: (530) 673-9420. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Alabanza Sy, M.D.'s license?

NPPES lists California license number A141653, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jonathan Alabanza Sy, M.D. prescribe under Medicare Part D?

In 2024, Jonathan Alabanza Sy, M.D. had 3,160 Medicare Part D claims for 171 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.