Marissa Sia, PSYD, MA
NPI 1770273617 · Clinical Psychologist · Honolulu, HI
Marissa Sia, PSYD, MA is a Clinical Psychologist provider in Honolulu, HI (NPI 1770273617).
Provider details
- NPI number
- 1770273617
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD, MA
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY.0006363 (CO)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
- 2023-05-12
- Last updated
- 2024-12-13
- Certified
- 2024-12-13
Frequently asked questions
- What is Marissa Sia's NPI number?
- Marissa Sia's National Provider Identifier (NPI) is 1770273617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Sia's specialty?
- Marissa Sia is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Marissa Sia located?
- Marissa Sia's practice location on file with NPPES is 459 Patterson Rd, Honolulu, HI 96819-1522.
- What is Marissa Sia's phone number?
- The practice phone number listed in the NPPES registry for Marissa Sia is (808) 433-0600.
- Is Marissa Sia's NPI active?
- Yes — Marissa Sia's NPI (1770273617) is active in the NPPES registry as of the last update on 2024-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.