Sivaranjani Ayyanar, MD
Psychiatry Physician · Santa Clara, CA
Sivaranjani Ayyanar, MD is a psychiatry physician with a practice address in Santa Clara, California, and NPI 1922620301, issued on May 8, 2020. Check the license (California 199510, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sivaranjani Ayyanar
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 199510 CA
Self-reported in NPPES; status is on the state search - Practice location
- 710 Lawrence Expy, Santa Clara, CA 95051
- Phone
- (408) 851-1000
- Enumerated
- May 8, 2020
- Record last updated
- Mar 6, 2025
- Medicare enrollment
- Enrolled (PECOS I20250418000600); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 710 Lawrence Expy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Iype Abraham, M.D.Internal Medicine Physician1578737243
- Oren Abramson, MDPediatric Gastroenterology Physician1265511307
- Jamie Adiarte, PA-CPhysician Assistant1073824413
- Sarah Adut, PHDClinical Psychologist1609484831
- Najla Ahmadzia, M.D.Student in an Organized Health Care Education/Training Program1568692580
- Farhana Ahmed, MDHospitalist Physician1215110002
Verify Sivaranjani Ayyanar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 199510Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average psychiatry physician in 2024
383 Medicare Part D claims for 19 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Benztropine Mesylate51 claims
- Lamotrigine42 claims
- Risperidone36 claims
- Clozapine26 claims
- Olanzapine25 claims
- Divalproex Sodium Er23 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
- Permanente Medical Group IncSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sivaranjani Ayyanar among 8,673 psychiatry physician records in California
Sivaranjani Ayyanar, MD 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 2020, is newer than 87% of them.
- NPI issued2020 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2007 · median 2005 among the 3,295 with a school on file
- Record last updated2025 · 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.
All 8,673 in California → Every provider in Santa Clara → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Alexander Hish, MDSanta Clara, CA 950511982232740
- Perry-Anthony Maliuanag, MDSanta Clara, CA 950511902958705
- Denise McNamara, MDSanta Clara, CA 950511992882823
- Matthew Peters, MDSanta Clara, CA 950511639674336
- Anna Shvartsur, MDSanta Clara, CA 950511669008694
- Priya Venkatesh, MDSanta Clara, CA 950511598842445
- Dongyan XuSanta Clara, CA 950511851928709
- Thomas Yang, MDSanta Clara, CA 950511255418182
Common questions
What is Sivaranjani Ayyanar, MD's NPI number?
Sivaranjani Ayyanar, MD's National Provider Identifier (NPI) is 1922620301, issued on May 8, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Sivaranjani Ayyanar, MD located?
The NPPES record lists a practice address at 710 Lawrence Expy, Santa Clara, CA, 95051. Phone: (408) 851-1000. Providers update this record themselves, so call before visiting.
How can I verify Sivaranjani Ayyanar, MD's license?
NPPES lists California license number 199510, 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 Sivaranjani Ayyanar, MD prescribe under Medicare Part D?
In 2024, Sivaranjani Ayyanar, MD had 383 Medicare Part D claims for 19 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.