Usa Aroonlap, M.D.
Psychiatry Physician · Mission Viejo, CA
Usa Aroonlap, M.D. is a psychiatry physician with a practice address in Mission Viejo, California, and NPI 1609171909, issued on Jan 18, 2011. Check the license (California A109987, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Usa Aroonlap
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A109987 CA
Self-reported in NPPES; status is on the state search - Practice location
- 23228 Madero, Mission Viejo, CA 92691
- Phone
- (949) 454-3940
- Enumerated
- Jan 18, 2011
- Record last updated
- Jan 20, 2022
- Fax
- (949) 770-1953
- Medicare enrollment
- Enrolled (PECOS I20130610000485); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 23228 Madero
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily AiharaMarriage & Family Therapist1891239075
- Cristina CardenasMental Health Counselor1639511090
- Adee CohenClinical Social Worker1447340294
- Ashley Cortez, LCSWClinical Social Worker1033588983
- Deanna Dickerson, LCSWClinical Social Worker1588913776
- Eric FlandroisRehabilitation Practitioner1942683362
Verify Usa Aroonlap in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A109987Check 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
283 Medicare Part D claims for 15 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
- Clozapine39 claims
- Hydroxyzine Hcl31 claims
- Risperidone27 claims
- Benztropine Mesylate24 claims
- Invega Sustenna17 claims
- Olanzapine17 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
- County OF OrangeMission Viejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Usa Aroonlap among 8,673 psychiatry physician records in California
Usa Aroonlap, 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 2011, is newer than 63% of them.
- NPI issued2011 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2008 · median 2005 among the 3,295 with a school on file
- Record last updated2022 · 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 Mission Viejo → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Azhar Abdullah, MDMission Viejo, CA 926911417351503
- Karla Benzl, MDMission Viejo, CA 926911962794073
- Amir Faghfoory, M.D.Mission Viejo, CA 926911245558105
- Erin Fletcher, MDMission Viejo, CA 926911205495645
- Rajai Ghosheh, M.D.Mission Viejo, CA 926911164638870
- Scott Ispirescu, MDMission Viejo, CA 926911023148525
- Alexei Michelson, M.D.Mission Viejo, CA 926911255372389
- Andrew Morrow, MDMission Viejo, CA 926911255369062
Common questions
What is Usa Aroonlap, M.D.'s NPI number?
Usa Aroonlap, M.D.'s National Provider Identifier (NPI) is 1609171909, issued on Jan 18, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Usa Aroonlap, M.D. located?
The NPPES record lists a practice address at 23228 Madero, Mission Viejo, CA, 92691. Phone: (949) 454-3940. Providers update this record themselves, so call before visiting.
How can I verify Usa Aroonlap, M.D.'s license?
NPPES lists California license number A109987, 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 Usa Aroonlap, M.D. prescribe under Medicare Part D?
In 2024, Usa Aroonlap, M.D. had 283 Medicare Part D claims for 15 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.