David Alexander Ngo, DO
Psychiatry Physician · San Jose, CA
David Alexander Ngo, DO is a psychiatry physician with a practice address in San Jose, California, and NPI 1245610948, issued on Jun 8, 2015. Check the license (California 20A15286, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Alexander Ngo
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 20A15286 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1555 Parkmoor Ave, San Jose, CA 95128
- Phone
- (408) 282-0402
- Enumerated
- Jun 8, 2015
- Record last updated
- Dec 9, 2024
- Medicare enrollment
- Enrolled (PECOS I20190726000797); accepts Medicare assignment
- 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 1555 Parkmoor Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wyatt AlvisMental Health Counselor1508452988
- Stephany AmezcuaMarriage & Family Therapist1447843842
- Lindsey AmosClinical Social Worker1881238657
- Charlie Amsden, MSWClinical Social Worker1063133262
- Annicia Araujo, B.AMarriage & Family Therapist1558129874
- Scott Arendt, MFTMarriage & Family Therapist1821040023
Verify David Alexander Ngo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A15286Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average psychiatry physician in 2024
2,786 Medicare Part D claims for 90 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
- Trazodone Hcl232 claims
- Risperidone231 claims
- Sertraline Hcl201 claims
- Quetiapine Fumarate184 claims
- Divalproex Sodium181 claims
- Olanzapine163 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
- Hope ServicesSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Alexander Ngo among 8,673 psychiatry physician records in California
David Alexander Ngo, DO 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 2015, is newer than 74% of them.
- NPI issued2015 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2015 · median 2005 among the 3,295 with a school on file
- Record last updated2024 · 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 San Jose → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Christine Chang, MDSan Jose, CA 951281033185798
- Hebe Estrella-Schultz, MDSan Jose, CA 951281619927340
- Christine Gartner, MDSan Jose, CA 951281427146547
- Kenneth Gee, MDSan Jose, CA 951281851489975
- Amarjit Grewal, MDSan Jose, CA 951281700840188
- David Johnson, MD,PHDSan Jose, CA 951281255395331
- Mya Kyaw, M.D.San Jose, CA 951281952408247
- Michael Meade, MDSan Jose, CA 951281689649881
Common questions
What is David Alexander Ngo, DO's NPI number?
David Alexander Ngo, DO's National Provider Identifier (NPI) is 1245610948, issued on Jun 8, 2015. An NPI identifies a provider in billing; it is not a license.
Where is David Alexander Ngo, DO located?
The NPPES record lists a practice address at 1555 Parkmoor Ave, San Jose, CA, 95128. Phone: (408) 282-0402. Providers update this record themselves, so call before visiting.
How can I verify David Alexander Ngo, DO's license?
NPPES lists California license number 20A15286, 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 Alexander Ngo, DO prescribe under Medicare Part D?
In 2024, David Alexander Ngo, DO had 2,786 Medicare Part D claims for 90 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.