John Alvarez
NPI 1912361106 · Psychiatry Physician · Fullerton, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Alvarez is a Psychiatry Physician provider in Fullerton, CA (NPI 1912361106).
Provider details
- NPI number
- 1912361106
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A155288 (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
10 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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Benztropine Mesylate | 63 |
| Olanzapine | 48 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 44 |
| Lithium Carbonate | 30 |
| Haloperidol Decanoate | 24 |
| Quetiapine Fumarate | 24 |
| Quetiapine Fumaratebrand: Quetiapine Fumarate Er | 21 |
| Risperidone | 20 |
| Paliperidone Palmitatebrand: Invega Sustenna | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$125 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
- 2016-04-13
- Last updated
- 2020-09-01
- Certified
- 2020-09-01
Frequently asked questions
- What is John Alvarez's NPI number?
- John Alvarez's National Provider Identifier (NPI) is 1912361106, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Alvarez's specialty?
- John Alvarez is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Alvarez located?
- John Alvarez's practice location on file with NPPES is 401 E Imperial Highway, Fullerton, CA 92835.
- What is John Alvarez's phone number?
- The practice phone number listed in the NPPES registry for John Alvarez is (714) 447-7000.
- Does John Alvarez accept Medicare?
- John Alvarez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Alvarez's NPI active?
- Yes — John Alvarez's NPI (1912361106) is active in the NPPES registry as of the last update on 2020-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.