Matthew O'Brien, PH.D.
NPI 1871805838 · Psychologist · Iowa City, IA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew O'Brien, PH.D. is a Psychologist provider in Iowa City, IA (NPI 1871805838).
Provider details
- NPI number
- 1871805838
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Clinical Neuropsychologist103G00000X
Behavioral Health & Social Service Providers
- Behavior Analyst103K00000X
Behavioral Health & Social Service Providers
- Clinical Child & Adolescent Psychologist103TC2200X
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
15 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
- 2010-07-07
- Last updated
- 2010-07-07
Frequently asked questions
- What is Matthew O'Brien's NPI number?
- Matthew O'Brien's National Provider Identifier (NPI) is 1871805838, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew O'Brien's specialty?
- Matthew O'Brien is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Matthew O'Brien located?
- Matthew O'Brien's practice location on file with NPPES is 100 Hawkins Dr, Iowa City, IA 52242-1016.
- What is Matthew O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Matthew O'Brien is (319) 353-6444.
- Does Matthew O'Brien accept Medicare?
- Matthew O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew O'Brien's NPI active?
- Yes — Matthew O'Brien's NPI (1871805838) is active in the NPPES registry as of the last update on 2010-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.