Mary De Groot, PHD
NPI 1316178775 · Clinical Psychologist · Indianapolis, IN
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary De Groot, PHD is a Clinical Psychologist provider in Indianapolis, IN (NPI 1316178775).
Provider details
- NPI number
- 1316178775
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 5892 (OH)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1701 N Senate BlvdIndianapolis, IN 46202-1239Phone: (888) 484-3258
Registry dates
- Enumerated
- 2009-08-04
- Last updated
- 2025-03-06
- Certified
- 2025-03-06
Frequently asked questions
- What is Mary De Groot's NPI number?
- Mary De Groot's National Provider Identifier (NPI) is 1316178775, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary De Groot's specialty?
- Mary De Groot is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mary De Groot located?
- Mary De Groot's practice location on file with NPPES is 550 University Blvd, Indianapolis, IN 46202-5149.
- What is Mary De Groot's phone number?
- The practice phone number listed in the NPPES registry for Mary De Groot is (317) 944-5000.
- Does Mary De Groot accept Medicare?
- Mary De Groot is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary De Groot's NPI active?
- Yes — Mary De Groot's NPI (1316178775) is active in the NPPES registry as of the last update on 2025-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.