Derrick Fian, PMHNP-BC
NPI 1417734658 · Psychiatric/Mental Health Nurse Practitioner · Ventura, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derrick Fian, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Ventura, CA (NPI 1417734658).
Provider details
- NPI number
- 1417734658
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- 95123337 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
2 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
5,622 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) |
|---|---|---|
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy95816 | 1,262 | $387 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 1,116 | $113 |
| Biofeedback Training90901 | 888 | $39 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 679 | $68 |
| Therapy Procedure for a Range of Mental Processes, Initial 15 Minutes97129 | 645 | $20 |
| Therapy Procedure Using Sensory Experiences97533 | 423 | $59 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-09-12
- Last updated
- 2025-11-10
- Certified
- 2025-11-10
Frequently asked questions
- What is Derrick Fian's NPI number?
- Derrick Fian's National Provider Identifier (NPI) is 1417734658, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derrick Fian's specialty?
- Derrick Fian is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Derrick Fian located?
- Derrick Fian's practice location on file with NPPES is 1001 Partridge Dr Ste 110, Ventura, CA 93003-0714.
- What is Derrick Fian's phone number?
- The practice phone number listed in the NPPES registry for Derrick Fian is (925) 282-1778.
- Does Derrick Fian accept Medicare?
- Derrick Fian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derrick Fian's NPI active?
- Yes — Derrick Fian's NPI (1417734658) is active in the NPPES registry as of the last update on 2025-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.