Sanjai Mathew Thankachen, M.D.
Psychiatry Physician · Irvine, CA
Sanjai Mathew Thankachen, M.D. is a psychiatry physician with a practice address in Irvine, California, and NPI 1982751756, issued on Jan 4, 2007. Check the license (California A 103818, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sanjai Mathew Thankachen
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- A 103818 CA
U0669 TX
Self-reported in NPPES; status is on the state search - Practice location
- 17782 Cowan Ste A, Irvine, CA 92614
- Phone
- (949) 340-2111
- Enumerated
- Jan 4, 2007
- Record last updated
- Oct 15, 2025
- Fax
- (949) 722-7119
- Medicare enrollment
- Enrolled (PECOS I20090604000273); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 17782 Cowan Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Acevedo, PMHNPPsychiatric/Mental Health Nurse Practitioner1992363535
- Jada Alston, MSN, PMHNPPsychiatric/Mental Health Nurse Practitioner1427692375
- Nili Askari, LMFTMarriage & Family Therapist1366098279
- Neo Atienza, NPPsychiatric/Mental Health Nurse Practitioner1558995084
- Cindy Capretz, LCSWClinical Social Worker1134409907
- Jennifer DuPsychiatric/Mental Health Nurse Practitioner1689528036
Verify Sanjai Mathew Thankachen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A 103818Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average psychiatry physician in 2024
326 Medicare Part D claims for 31 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.
Most prescribed
- Invega Sustenna47 claims
- Fluoxetine Hcl43 claims
- Olanzapine38 claims
- Trazodone Hcl22 claims
- Benztropine Mesylate12 claims
- Omeprazole12 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
- Jason Kellogg MD IncIrvine, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sanjai Mathew Thankachen among 8,673 psychiatry physician records in California
Sanjai Mathew Thankachen, 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 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2001 · 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).
54 psychiatry physician records list a practice address in Irvine
They are 54 of the 7,778 NPPES records with a practice address in Irvine, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Irvine → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Sameh Mounir Yanni Elsanadi, MDIrvine, CA 926141285727271
- Valeh Karimkhani, DOIrvine, CA 926141053467720
- Jason Kellogg, M.D.Irvine, CA 926141952331530
- Jay Kim, MDIrvine, CA 926141386252567
- Elly Lee, MDIrvine, CA 926141508156316
- Clint Salo, DOIrvine, CA 926141811159221
- Randall Turner, D.O.Irvine, CA 926141164696993
- Bahman Amadi, M.D.Irvine, CA 926121346660925
Common questions
What is Sanjai Mathew Thankachen, M.D.'s NPI number?
Sanjai Mathew Thankachen, M.D.'s National Provider Identifier (NPI) is 1982751756, issued on Jan 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sanjai Mathew Thankachen, M.D. located?
The NPPES record lists a practice address at 17782 Cowan Ste A, Irvine, CA, 92614. Phone: (949) 340-2111. Providers update this record themselves, so call before visiting.
How can I verify Sanjai Mathew Thankachen, M.D.'s license?
NPPES lists California license number A 103818, 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 Sanjai Mathew Thankachen, M.D. prescribe under Medicare Part D?
In 2024, Sanjai Mathew Thankachen, M.D. had 326 Medicare Part D claims for 31 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.