Arjun C. Reyes, MD
Psychiatry Physician · Moorpark, CA
Arjun C. Reyes, MD is a psychiatry physician with a practice address in Moorpark, California, and NPI 1194834424, issued on Aug 30, 2006. Check the license (California G77173, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Arjun C. Reyes
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G77173 CA
Self-reported in NPPES; status is on the state search - Practice location
- 893 Patriot Dr Ste A, Moorpark, CA 93021
- Phone
- (805) 531-1000
- Enumerated
- Aug 30, 2006
- Record last updated
- Jun 5, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (805) 531-1100
- Medicaid ID
- 00G771730 CA
- Medicare enrollment
- Enrolled (PECOS I20080606000423); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 893 Patriot Dr Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vanessa AceroMental Health Counselor1568963288
- Ramandeep BehniwalPsychiatric/Mental Health Nurse Practitioner1508527458
- Holly Jacobson, PMHNPPsychiatric/Mental Health Nurse Practitioner1861073322
- Atman Reyes, MD INCPsychiatry Physician1033228382
Verify Arjun C. Reyes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G77173Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.9 times the Medicare Part D claims of the average psychiatry physician in 2024
3,945 Medicare Part D claims for 219 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Clonazepam326 claims
- Quetiapine Fumarate254 claims
- Trazodone Hcl243 claims
- Olanzapine176 claims
- Gabapentin172 claims
- Escitalopram Oxalate154 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.
The MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,640.89
111 payments; by number, the most common kind was food and beverage; the largest payer was Lundbeck LLC. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Arjun C. Reyes among 8,673 psychiatry physician records in California
Arjun C. Reyes, 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2002 · median 2005 among the 3,295 with a school on file
- Record last updated2014 · 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 Moorpark → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Atman Reyes, MD INCMoorpark, CA 930211033228382
- Margaret Coffey, MDOjai, CA 930231750480224
- Debra London, M.D.Ojai, CA 930231437371960
- John Nelson, M.D.Ojai, CA 930231083632061
- Lakshman Rasiah, MDOjai, CA 930231366523441
- Sharon WestOjai, CA 930231366074650
- Herman Schornstein, MDCarpinteria, CA 930131841340353
- Lorna Barte, M.D.Camarillo, CA 930101154376762
Common questions
What is Arjun C. Reyes, MD's NPI number?
Arjun C. Reyes, MD's National Provider Identifier (NPI) is 1194834424, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Arjun C. Reyes, MD located?
The NPPES record lists a practice address at 893 Patriot Dr Ste A, Moorpark, CA, 93021. Phone: (805) 531-1000. Providers update this record themselves, so call before visiting.
How can I verify Arjun C. Reyes, MD's license?
NPPES lists California license number G77173, 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 Arjun C. Reyes, MD prescribe under Medicare Part D?
In 2024, Arjun C. Reyes, MD had 3,945 Medicare Part D claims for 219 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Arjun C. Reyes, MD's MIPS final score?
The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.