Aaron Neustadt, M.D.
Psychiatry Physician · Irvine, CA
Aaron Neustadt, M.D. is a psychiatry physician with a practice address in Irvine, California, and NPI 1295980605, issued on Nov 26, 2008. Check the license (California C38831, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Aaron Neustadt
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- C38831 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 Pacifica, Irvine, CA 92618
- Phone
- (949) 453-0122
- Enumerated
- Nov 26, 2008
- Record last updated
- Nov 26, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 101 Pacifica
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amelia Russo-Neustadt, M.D., PH.D.Psychiatry Physician1003268020
Verify Aaron Neustadt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C38831Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average psychiatry physician in 2024
66 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.
Most prescribed
- Fluoxetine Hcl23 claims
- Mirtazapine16 claims
- Alprazolam14 claims
- Clonazepam12 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.
Aaron Neustadt among 8,673 psychiatry physician records in California
Aaron Neustadt, 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 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2008 · 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
- Amelia Russo-Neustadt, M.D., PH.D.Irvine, CA 926181003268020
- Alejandra Suzuki, M.D.Irvine, CA 926181730213497
Common questions
What is Aaron Neustadt, M.D.'s NPI number?
Aaron Neustadt, M.D.'s National Provider Identifier (NPI) is 1295980605, issued on Nov 26, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Neustadt, M.D. located?
The NPPES record lists a practice address at 101 Pacifica, Irvine, CA, 92618. Phone: (949) 453-0122. Providers update this record themselves, so call before visiting.
How can I verify Aaron Neustadt, M.D.'s license?
NPPES lists California license number C38831, 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 Aaron Neustadt, M.D. prescribe under Medicare Part D?
In 2024, Aaron Neustadt, M.D. had 66 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.