IndividualActive
Mari Guillen, RN
NPI 1366228884 · Registered Nurse · Ojai, CA
Mari Guillen, RN is a Registered Nurse provider in Ojai, CA (NPI 1366228884).
Provider details
- NPI number
- 1366228884
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 95056666 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(58/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
11496 N Ventura Ave
Ojai, CA 93023-4195
Phone: (800) 748-3243
Street-level locationGet directions
Mailing address
30 Hunter Ln
Camp Hill, PA 17011-2499
Registry dates
- Enumerated
- 2023-08-31
- Last updated
- 2023-08-31
- Certified
- 2023-08-31
Frequently asked questions
- What is Mari Guillen's NPI number?
- Mari Guillen's National Provider Identifier (NPI) is 1366228884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mari Guillen's specialty?
- Mari Guillen is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Mari Guillen located?
- Mari Guillen's practice location on file with NPPES is 11496 N Ventura Ave, Ojai, CA 93023-4195.
- What is Mari Guillen's phone number?
- The practice phone number listed in the NPPES registry for Mari Guillen is (800) 748-3243.
- Is Mari Guillen's NPI active?
- Yes — Mari Guillen's NPI (1366228884) is active in the NPPES registry as of the last update on 2023-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.