Justin Grey, MD
NPI 1992898753 · Psychiatry Physician · San Jose, CA
Justin Grey, MD is a Psychiatry Physician provider in San Jose, CA (NPI 1992898753).
Provider details
- NPI number
- 1992898753
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G65957 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Quetiapine Fumarate | 68 |
| Duloxetine Hcl | 48 |
| Clonazepam | 45 |
| Cariprazine Hclbrand: Vraylar | 30 |
| Sertraline Hcl | 29 |
| Bupropion Hclbrand: Bupropion Xl | 29 |
| Oxcarbazepine | 24 |
| Fluoxetine Hcl | 24 |
| Propranolol Hclbrand: Propranolol Hcl Er |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 across 1 record (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
- 2006-10-02
- Last updated
- 2008-03-19
Frequently asked questions
- What is Justin Grey's NPI number?
- Justin Grey's National Provider Identifier (NPI) is 1992898753, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Grey's specialty?
- Justin Grey is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Grey located?
- Justin Grey's practice location on file with NPPES is 2001 the Alameda, San Jose, CA 95126-1136.
- What is Justin Grey's phone number?
- The practice phone number listed in the NPPES registry for Justin Grey is (408) 261-7777.
- Is Justin Grey's NPI active?
- Yes — Justin Grey's NPI (1992898753) is active in the NPPES registry as of the last update on 2008-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.