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Robert O'Brien, LLP
NPI 1114132396 · Clinical Psychologist · Muskegon, MI
Robert O'Brien, LLP is a Clinical Psychologist provider in Muskegon, MI (NPI 1114132396).
Provider details
- NPI number
- 1114132396
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- LLP
- Sex
- Male
- Sole proprietor
- No
- License
- 6301005400 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
376 E Apple Ave
Muskegon, MI 49442-3466
Phone: (231) 724-1111
Fax: (231) 724-1300
Street-level locationGet directions
Mailing address
13511 Greenleaf Ln
Grand Haven, MI 49417-9475
Registry dates
- Enumerated
- 2007-05-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert O'Brien's NPI number?
- Robert O'Brien's National Provider Identifier (NPI) is 1114132396, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert O'Brien's specialty?
- Robert O'Brien is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Robert O'Brien located?
- Robert O'Brien's practice location on file with NPPES is 376 E Apple Ave, Muskegon, MI 49442-3466.
- What is Robert O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Robert O'Brien is (231) 724-1111.
- Is Robert O'Brien's NPI active?
- Yes — Robert O'Brien's NPI (1114132396) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.