Mehron Singh Dhillon, MD
Psychiatry Physician · Orange, CA
Mehron Singh Dhillon, MD is a psychiatry physician with a practice address in Orange, California, and NPI 1023703980, issued on Apr 6, 2023. Check the license (California A207868, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mehron Singh Dhillon
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A207868 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3800 W Chapman Ave Ste 500, Orange, CA 92868
- Phone
- (714) 456-5902
- Enumerated
- Apr 6, 2023
- Record last updated
- Mar 18, 2026
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 3800 W Chapman Ave Ste 500
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christy Alhannat, MDStudent in an Organized Health Care Education/Training Program1003758608
- Alvaro Alvarez, MDPsychiatry Physician1356196893
- Lydia AnnPsychiatry Physician1316433303
- Austin BuckStudent in an Organized Health Care Education/Training Program1043064728
Verify Mehron Singh Dhillon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A207868Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average psychiatry physician in 2024
14 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Mehron Singh Dhillon among 8,673 psychiatry physician records in California
Mehron Singh Dhillon, 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 2023, is newer than 96% of them.
- NPI issued2023 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- 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).
116 psychiatry physician records list a practice address in Orange
They are 116 of the 13,245 NPPES records with a practice address in Orange, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Orange → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Daniel Chueh, M.D.Orange, CA 928681174589642
- K De Silva, MDOrange, CA 928681992730170
- Constance De Silva, MDOrange, CA 928681912922634
- Lianjie Du, M.D.Orange, CA 928681255331385
- Gaurav Gandotra, MDOrange, CA 928681386617421
- Carla Hammond, M.D.Orange, CA 928681407889355
- Alan Hanft, M.D.Orange, CA 928681376599076
- Joshua Israel, MDOrange, CA 928681689628265
Common questions
What is Mehron Singh Dhillon, MD's NPI number?
Mehron Singh Dhillon, MD's National Provider Identifier (NPI) is 1023703980, issued on Apr 6, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Mehron Singh Dhillon, MD located?
The NPPES record lists a practice address at 3800 W Chapman Ave Ste 500, Orange, CA, 92868. Phone: (714) 456-5902. Providers update this record themselves, so call before visiting.
How can I verify Mehron Singh Dhillon, MD's license?
NPPES lists California license number A207868, 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 Mehron Singh Dhillon, MD prescribe under Medicare Part D?
In 2024, Mehron Singh Dhillon, MD had 14 Medicare Part D claims; 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.