Johnny Wen, PHD
NPI 1427001254 · Clinical Neuropsychologist · Torrance, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Johnny Wen, PHD is a Clinical Neuropsychologist provider in Torrance, CA (NPI 1427001254).
Provider details
- NPI number
- 1427001254
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 20796 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,562 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Administration of Psychological Or Neuropsychological Test, Each Additional 30 Minutes96137 | 583 | $39 |
| Exam of Neurobehavioral Status, First Hour96116 | 293 | $76 |
| Evaluation of Neuropsychological Test, Each Additional Hour96133 | 260 | $96 |
| Psychiatric Diagnostic Evaluation90791 | 228 | $141 |
| Psychiatric Diagnostic Evaluation90791 | 82 | $168 |
| Administration of Psychological Or Neuropsychological Test, First 30 Minutes96136 | 59 | $42 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2024-01-17
- Certified
- 2024-01-17
Frequently asked questions
- What is Johnny Wen's NPI number?
- Johnny Wen's National Provider Identifier (NPI) is 1427001254, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johnny Wen's specialty?
- Johnny Wen is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is Johnny Wen located?
- Johnny Wen's practice location on file with NPPES is 3858 W Carson St Ste 121, Torrance, CA 90503-6705.
- What is Johnny Wen's phone number?
- The practice phone number listed in the NPPES registry for Johnny Wen is (310) 540-4094.
- Does Johnny Wen accept Medicare?
- Johnny Wen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Johnny Wen's NPI active?
- Yes — Johnny Wen's NPI (1427001254) is active in the NPPES registry as of the last update on 2024-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.