Mariella Simon, MS CGC
NPI 1235154485 · Research Study Specialist · Irvine, CA
Mariella Simon, MS CGC is a Research Study Specialist provider in Irvine, CA (NPI 1235154485).
Provider details
- NPI number
- 1235154485
- Entity type
- Individual
- Primary specialty
- Research Study SpecialistOther Service Providers
- Credential
- MS CGC
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
- Genetic Counselor (M.S.)170300000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2006-07-12
- Last updated
- 2025-09-11
Frequently asked questions
- What is Mariella Simon's NPI number?
- Mariella Simon's National Provider Identifier (NPI) is 1235154485, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariella Simon's specialty?
- Mariella Simon is listed in the NPPES registry with a primary specialty of Research Study Specialist (Other Service Providers).
- Where is Mariella Simon located?
- Mariella Simon's practice location on file with NPPES is 2014 Hewitt Hall, Irvine, CA 92697-0001.
- What is Mariella Simon's phone number?
- The practice phone number listed in the NPPES registry for Mariella Simon is (949) 824-6504.
- Is Mariella Simon's NPI active?
- Yes — Mariella Simon's NPI (1235154485) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.