IndividualActive
Gregory Thornhill
NPI 1922526623 · Psychologist · Linden, MI
Gregory Thornhill is a Psychologist provider in Linden, MI (NPI 1922526623).
Provider details
- NPI number
- 1922526623
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Case Manager/Care Coordinator171M00000X
Other Service Providers
Profile Score
Established profile(63/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
126 N Bridge St
Linden, MI 48451-8623
Phone: (810) 333-6666
Street-level locationGet directions
Mailing address
215 S Main St Unit 112
Linden, MI 48451-7004
Registry dates
- Enumerated
- 2017-09-01
- Last updated
- 2023-09-26
- Certified
- 2023-09-26
Frequently asked questions
- What is Gregory Thornhill's NPI number?
- Gregory Thornhill's National Provider Identifier (NPI) is 1922526623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Thornhill's specialty?
- Gregory Thornhill is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Gregory Thornhill located?
- Gregory Thornhill's practice location on file with NPPES is 126 N Bridge St, Linden, MI 48451-8623.
- What is Gregory Thornhill's phone number?
- The practice phone number listed in the NPPES registry for Gregory Thornhill is (810) 333-6666.
- Is Gregory Thornhill's NPI active?
- Yes — Gregory Thornhill's NPI (1922526623) is active in the NPPES registry as of the last update on 2023-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.