David Gregg, PHD, LP, CAADC
NPI 1790150456 · Psychologist · Kalamazoo, MI
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Gregg, PHD, LP, CAADC is a Psychologist provider in Kalamazoo, MI (NPI 1790150456).
Provider details
- NPI number
- 1790150456
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD, LP, CAADC
- Sex
- Male
- Sole proprietor
- No
- License
- 6301016924 (MI)
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
10 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
- 2015-12-07
- Last updated
- 2023-05-22
- Certified
- 2023-05-22
Frequently asked questions
- What is David Gregg's NPI number?
- David Gregg's National Provider Identifier (NPI) is 1790150456, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Gregg's specialty?
- David Gregg is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is David Gregg located?
- David Gregg's practice location on file with NPPES is 4017 W Main St Ste 100, Kalamazoo, MI 49006-3731.
- What is David Gregg's phone number?
- The practice phone number listed in the NPPES registry for David Gregg is (248) 808-3875.
- Does David Gregg accept Medicare?
- David Gregg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Gregg's NPI active?
- Yes — David Gregg's NPI (1790150456) is active in the NPPES registry as of the last update on 2023-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.