John Chen, MD
NPI 1316023260 · Psychiatry Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Chen, MD is a Psychiatry Physician provider in San Jose, CA (NPI 1316023260).
Provider details
- NPI number
- 1316023260
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A77612 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lorazepam | 96 | 13 |
| Trazodone Hcl | 59 | 20 |
| Clonazepam | 53 | — |
| Alprazolam | 49 | — |
| Sertraline Hcl | 48 | 21 |
| Bupropion Hclbrand: Bupropion Xl | 45 | 14 |
| Fluoxetine Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$83 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-31
- Last updated
- 2021-12-13
Frequently asked questions
- What is John Chen's NPI number?
- John Chen's National Provider Identifier (NPI) is 1316023260, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Chen's specialty?
- John Chen is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Chen located?
- John Chen's practice location on file with NPPES is 260 International Cir, San Jose, CA 95119-1130.
- What is John Chen's phone number?
- The practice phone number listed in the NPPES registry for John Chen is (408) 972-7000.
- Does John Chen accept Medicare?
- John Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Chen's NPI active?
- Yes — John Chen's NPI (1316023260) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.