George Tun, MD
Psychiatry Physician · Irvine, CA
George Tun, MD is a psychiatry physician with a practice address in Irvine, California, and NPI 1437424884, issued on Mar 19, 2012. Check the license (California A126691, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- George Tun
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A126691 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15625 Alton Pkwy Ste D, Irvine, CA 92618
- Phone
- (949) 396-6950
- Enumerated
- Mar 19, 2012
- Record last updated
- Jan 24, 2024
- Fax
- (949) 396-6951
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 15625 Alton Pkwy Ste D
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marina Riad, PA-CPhysician Assistant1124858758
Verify George Tun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A126691Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average psychiatry physician in 2024
277 Medicare Part D claims for 24 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Quetiapine Fumarate24 claims
- Escitalopram Oxalate23 claims
- Sertraline Hcl23 claims
- Risperidone21 claims
- Lithium Carbonate12 claims
- Olanzapine12 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.
George Tun among 8,673 psychiatry physician records in California
George Tun, 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 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 fileNo · 38% of these records are
- Record last updated2024 · 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
- Kamal Artin, M.D.Irvine, CA 926181285876813
- Amy BloodIrvine, CA 926181003208570
- Harold Boerlin, M.D.Irvine, CA 926181043441090
- Ravindra Chand, M.D.Irvine, CA 926181013099951
- Samuel Fesenmeier, DOIrvine, CA 926181952860587
- Emily Johnson, M.D.Irvine, CA 926181063590438
- Aaron Neustadt, M.D.Irvine, CA 926181295980605
- Amelia Russo-Neustadt, M.D., PH.D.Irvine, CA 926181003268020
Common questions
What is George Tun, MD's NPI number?
George Tun, MD's National Provider Identifier (NPI) is 1437424884, issued on Mar 19, 2012. An NPI identifies a provider in billing; it is not a license.
Where is George Tun, MD located?
The NPPES record lists a practice address at 15625 Alton Pkwy Ste D, Irvine, CA, 92618. Phone: (949) 396-6950. Providers update this record themselves, so call before visiting.
How can I verify George Tun, MD's license?
NPPES lists California license number A126691, 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 George Tun, MD prescribe under Medicare Part D?
In 2024, George Tun, MD had 277 Medicare Part D claims for 24 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.