Martha Parrish
NPI 1821927419 · Psychiatric/Mental Health Registered Nurse · Irvine, CA
Martha Parrish is a Psychiatric/Mental Health Registered Nurse provider in Irvine, CA (NPI 1821927419).
Provider details
- NPI number
- 1821927419
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95379045 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2026-05-18
- Last updated
- 2026-05-18
- Certified
- 2026-05-18
Frequently asked questions
- What is Martha Parrish's NPI number?
- Martha Parrish's National Provider Identifier (NPI) is 1821927419, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Parrish's specialty?
- Martha Parrish is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is Martha Parrish located?
- Martha Parrish's practice location on file with NPPES is 15157 Spectrum, Irvine, CA 92618-3426.
- What is Martha Parrish's phone number?
- The practice phone number listed in the NPPES registry for Martha Parrish is (909) 358-0439.
- Is Martha Parrish's NPI active?
- Yes — Martha Parrish's NPI (1821927419) is active in the NPPES registry as of the last update on 2026-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.