Irene Mason, P.A.-C
NPI 1083621593 · Psychiatric/Mental Health Nurse Practitioner · Ventura, CA
Irene Mason, P.A.-C is a Psychiatric/Mental Health Nurse Practitioner provider in Ventura, CA (NPI 1083621593).
Provider details
- NPI number
- 1083621593
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA16831 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2006-08-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Irene Mason's NPI number?
- Irene Mason's National Provider Identifier (NPI) is 1083621593, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irene Mason's specialty?
- Irene Mason is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Irene Mason located?
- Irene Mason's practice location on file with NPPES is 3585 Maple St, Ventura, CA 93003-3504.
- What is Irene Mason's phone number?
- The practice phone number listed in the NPPES registry for Irene Mason is (805) 644-0656.
- Is Irene Mason's NPI active?
- Yes — Irene Mason's NPI (1083621593) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.