Mary Linnihan, MA, LP
NPI 1457446882 · Psychologist · Grand Rapids, MN
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Linnihan, MA, LP is a Psychologist provider in Grand Rapids, MN (NPI 1457446882).
Provider details
- NPI number
- 1457446882
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- MA, LP
- Sex
- Female
- Sole proprietor
- Yes
- License
- LP3192 (MN)
Specialties & taxonomies
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
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
Mailing address
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2007-07-09
Frequently asked questions
- What is Mary Linnihan's NPI number?
- Mary Linnihan's National Provider Identifier (NPI) is 1457446882, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Linnihan's specialty?
- Mary Linnihan is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Mary Linnihan located?
- Mary Linnihan's practice location on file with NPPES is 516 S Pokegama Ave, Grand Rapids, MN 55744-3800.
- What is Mary Linnihan's phone number?
- The practice phone number listed in the NPPES registry for Mary Linnihan is (218) 244-9414.
- Does Mary Linnihan accept Medicare?
- Mary Linnihan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Linnihan's NPI active?
- Yes — Mary Linnihan's NPI (1457446882) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.