Physician Profile
An D. Nguyen, M.D.
Unclaimed ProfileAbout Dr. Nguyen
Based in San Jose, CA, An D. Nguyen, M.D. is listed in the NPI registry under psychiatry. An is also listed as specializing in child & adolescent psychiatry. According to Medicare claims data, An cared for 63 Medicare patients across 70 services. The services billed most often include psychiatric diagnostic evaluation with medical services. NPI 1285882258 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (408) 885-5000
- Email not available
Practice Locations
751 S BASCOM AVE SANTA CLARA VALLEY MEDICAL CENTER
San Jose, CA 95128
Conditions Commonly Evaluated or Treated
Within Psychiatry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
Substance-related and addictive
Addiction & Substance Use
Cognitive and adjustment
Eating Disorders
Eating, sleep, and somatic
Mood & Depression
Neurodevelopmental and behavioral
Personality and dissociative
Sleep & Wakefulness
Procedures & services
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
Assessment
Addiction care
Addiction Medicine
Assessments
Brain stimulation
Consultations
Diagnostics
Inpatient care
Interventional psychiatry
Psychotherapy
Sleep Medicine
Specialized care
Therapy
Therapy and care
Procedures Most Often Billed to Medicare
70 services · 63 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
70 | More often than most peers in Psychiatry |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other psychiatrists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other psychiatrists in San Jose 7
Same specialty, same city.
More connections — 8 related providers in 1 group
Also performs Psychiatric diagnostic evaluation with medical services 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does An D. Nguyen specialize in?
An D. Nguyen is a psychiatrist in San Jose, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where is An D. Nguyen located?
An D. Nguyen is listed at 751 S Bascom Ave Santa Clara Valley Medical Center, San Jose, CA 95128. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is An D. Nguyen's phone number?
The number on file is (408) 885-5000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is An D. Nguyen's NPI number?
An D. Nguyen's National Provider Identifier is 1285882258. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has An D. Nguyen been practicing?
An D. Nguyen has 18+ years experience. Registered with an NPI since 2008. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does An D. Nguyen do most often?
According to Medicare billing data, An D. Nguyen provides treatments such as psychiatric diagnostic evaluation with medical services. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has An D. Nguyen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by An D. Nguyen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.