April Mayer, MD
Psychiatry Physician · Van Huys, CA
April Mayer, MD is a psychiatry physician with a practice address in Van Huys, California, and NPI 1982899738, issued on Sep 13, 2007. Check the license (California A43616, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- April Mayer
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A43616 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5755 Noble Ave, Van Huys, CA 91411
- Phone
- (818) 379-9895
- Enumerated
- Sep 13, 2007
- Record last updated
- Sep 13, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (818) 997-0349
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify April Mayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A43616Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average psychiatry physician in 2024
44 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
April Mayer among 8,673 psychiatry physician records in California
April Mayer, 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 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2007 · 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.
The 8 psychiatry physician records with the nearest ZIP codes
- Stacey Bernstein, MDVan Nuys, CA 914111992823330
- Diego Centeno, NPVan Nuys, CA 914111114608825
- Janet Martin, M.D., PH.D.Van Nuys, CA 914111659409746
- Omotola Tsarumi, MDVan Nuys, CA 914111710369376
- Irene Chuang, M.D.Van Nuys, CA 914061609949536
- Andrew Davidowitz, M.D.Van Nuys, CA 914061841721867
- Cyril Mathai, MDVan Nuys, CA 914061932365632
- Yon Park, M.D.Van Nuys, CA 914061427477496
Common questions
What is April Mayer, MD's NPI number?
April Mayer, MD's National Provider Identifier (NPI) is 1982899738, issued on Sep 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is April Mayer, MD located?
The NPPES record lists a practice address at 5755 Noble Ave, Van Huys, CA, 91411. Phone: (818) 379-9895. Providers update this record themselves, so call before visiting.
How can I verify April Mayer, MD's license?
NPPES lists California license number A43616, 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 April Mayer, MD prescribe under Medicare Part D?
In 2024, April Mayer, MD had 44 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.