Brianne Flexen, PMHNP
NPI 1861073033 · Psychiatric/Mental Health Nurse Practitioner · Irwindale, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brianne Flexen, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in Irwindale, CA (NPI 1861073033).
Provider details
- NPI number
- 1861073033
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP
- Sex
- Female
- Sole proprietor
- No
- License
- 95132731 (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 tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (2)
- 25000 Avenue Stanford Ste 167Valencia, CA 91355-4596Phone: (818) 600-2034
- 31200 Via Colinas Ste 202Westlake Village, CA 91362-3955Phone: (818) 600-2034
Registry dates
- Enumerated
- 2021-04-19
- Last updated
- 2024-11-19
- Certified
- 2024-11-19
Frequently asked questions
- What is Brianne Flexen's NPI number?
- Brianne Flexen's National Provider Identifier (NPI) is 1861073033, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brianne Flexen's specialty?
- Brianne Flexen is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Brianne Flexen located?
- Brianne Flexen's practice location on file with NPPES is 13001 Ramona Blvd, Irwindale, CA 91706-3752.
- What is Brianne Flexen's phone number?
- The practice phone number listed in the NPPES registry for Brianne Flexen is (626) 480-8107.
- Does Brianne Flexen accept Medicare?
- Brianne Flexen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brianne Flexen's NPI active?
- Yes — Brianne Flexen's NPI (1861073033) is active in the NPPES registry as of the last update on 2024-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.