Mary Brennan, MA, MS, PHD
NPI 1174952378 · Clinical Psychologist · Honolulu, HI
Mary Brennan, MA, MS, PHD is a Clinical Psychologist provider in Honolulu, HI (NPI 1174952378).
Provider details
- NPI number
- 1174952378
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- MA, MS, PHD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
- 2013-11-07
- Last updated
- 2025-01-03
- Certified
- 2025-01-03
Frequently asked questions
- What is Mary Brennan's NPI number?
- Mary Brennan's National Provider Identifier (NPI) is 1174952378, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Brennan's specialty?
- Mary Brennan is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mary Brennan located?
- Mary Brennan's practice location on file with NPPES is 459 Patterson Rd # 116, Honolulu, HI 96819-1522.
- What is Mary Brennan's phone number?
- The practice phone number listed in the NPPES registry for Mary Brennan is (808) 433-0660.
- Is Mary Brennan's NPI active?
- Yes — Mary Brennan's NPI (1174952378) is active in the NPPES registry as of the last update on 2025-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.