Arjun Reyes, MD
NPI 1194834424 · Psychiatry Physician · Moorpark, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arjun Reyes, MD is a Psychiatry Physician provider in Moorpark, CA (NPI 1194834424).
Provider details
- NPI number
- 1194834424
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G77173 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,580 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,837 | $96 |
| Treatment Using Magnetic Field to Stimulate Nerve Cells in Brain, Subsequent Delivery and Management90868 | 1,068 | $132 |
| Psychotherapy, 1 Hour90837 | 210 | $157 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 116 | $200 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 116 | $123 |
| Office Or Other Outpatient Visit for the Evaluation and Management of an Established Patient That Requires the Supervision of a Physician Or Other Qualified Health Care Professional and Provision of Greater Than 56 Mg Esketamine Nasal Self-Administration, |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 53 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 326 | 40 |
| Quetiapine Fumarate | 254 | 30 |
| Trazodone Hcl | 243 | 39 |
| Olanzapine | 176 | 23 |
| Gabapentin | 172 | 36 |
| Escitalopram Oxalate | 154 | 34 |
| Benztropine Mesylate | 134 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,641 across 111 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
- 2006-08-30
- Last updated
- 2014-06-05
Frequently asked questions
- What is Arjun Reyes's NPI number?
- Arjun Reyes's National Provider Identifier (NPI) is 1194834424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arjun Reyes's specialty?
- Arjun Reyes is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Arjun Reyes located?
- Arjun Reyes's practice location on file with NPPES is 893 Patriot Dr Ste a, Moorpark, CA 93021-3357.
- What is Arjun Reyes's phone number?
- The practice phone number listed in the NPPES registry for Arjun Reyes is (805) 531-1000.
- Does Arjun Reyes accept Medicare?
- Arjun Reyes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arjun Reyes's NPI active?
- Yes — Arjun Reyes's NPI (1194834424) is active in the NPPES registry as of the last update on 2014-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.