David Niz, MD
Psychiatry Physician · Norwalk, CA
David Niz, MD is a psychiatry physician with a practice address in Norwalk, California, and NPI 1265488944, issued on May 25, 2006. Check the license (California A75282, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Niz
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A75282 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11401 S Bloomfield Ave, Norwalk, CA 90650
- Phone
- (562) 863-7011
- Enumerated
- May 25, 2006
- Entity
- Type 1 · individual
Also registered at 11401 S Bloomfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Chavez, PSYDClinical Psychologist1386684637
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- Dung Nguyen, MDGeneral Practice Physician1497702336
- Antonio Reantaso, MDPsychiatry Physician1144290545
- Chi Vu, MDInternal Medicine Physician1053347112
Verify David Niz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A75282Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
94% fewer Medicare Part D claims than the average psychiatry physician in 2024
64 Medicare Part D claims, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D.
Most prescribed
- Divalproex Sodium Er11 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.
57 psychiatry physician records list a Norwalk practice address
They are 57 of the 1,600 NPPES records with a Norwalk practice address, and 7,890 psychiatry physician records in California.
All 57 in Norwalk → All 7,890 in California → Every provider in Norwalk →
Other psychiatry physician records in California
- Nancy Aaen, MDNapa, CA1609816669
- Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
- Mekabiz Abaian, MDSan Bernardino, CA1891090163
- Kafia Abbasi, M.D.French Camp, CA1215114897
- Michele Abbasi, M.D.Westlake Village, CA1093940330
- Zohaib AbbasiMartinez, CA1013392224
- Chester Abbott, M.D.Pasadena, CA1053442186
- Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
- Ezzat Abdelmalek, M.DDana Point, CA1992828826
- Ahmed AbdelrazekSacramento, CA1669092128
Common questions
What is David Niz, MD's NPI number?
David Niz, MD's National Provider Identifier (NPI) is 1265488944, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Niz, MD located?
The NPPES record lists a practice address at 11401 S Bloomfield Ave, Norwalk, CA, 90650. Phone: (562) 863-7011. Providers update this record themselves, so call before visiting.
How can I verify David Niz, MD's license?
NPPES lists California license number A75282, 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 David Niz, MD prescribe under Medicare Part D?
In 2024, David Niz, MD had 64 Medicare Part D claims; the average among psychiatry physician prescribers was 1,010. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.