MARY K DE GROOT PHD
NPI 1316178775
Psychologist - Clinical in Indianapolis, IN

Q: What is Mary De Groot's NPI number?

The NPI number for Mary De Groot is 1316178775. It was assigned to this individual provider in the NPPES registry on August 4, 2009.

Q: What is Mary De Groot's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Mary De Groot was last updated on March 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 04, 2009PECOS EnrolledAccepts Medicare Assignment

550 UNIVERSITY BLVD, INDIANAPOLIS, IN 46202(317) 944-5000 Get Directions Write a Review

NPPES record last updated: March 6, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

On this page

About Mary K De Groot Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY K DE GROOT PHD (NPI 1316178775) is an individual clinical provider in Indianapolis, Indiana, licensed in Indiana (20042391A) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and maintains a secondary practice location in Indianapolis.

NPPES Registry Identity

NPI1316178775

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameMARY K DE GROOTCredential: PHD

Location Address550 UNIVERSITY BLVDIndianapolis, IN 46202-5149

Mailing Address250 N Shadeland AveIndianapolis, IN 46219-4959

Phone(317) 944-5000

Sole ProprietorNo

Medical School CMSOtherGraduated 1999

Enumeration DateAugust 4, 2009

Last NPPES UpdateMarch 6, 2025

NPPES CertifiedMarch 6, 2025

✔ NPI 1316178775 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

Licenses✔ Licensed in IN · 20042391A✔ Licensed in OH · 5892

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

550 UNIVERSITY BLVD, Indianapolis, IN 46202

Open in Google Maps ↗

Secondary Practice Location 1

Location 11701 N Senate BlvdIndianapolis, IN 46202-1239 · Phone (888) 484-3258

Other Identifiers 2

Medicaid200973950IN

Other000000644074IN · Anthem Ptan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mary K De Groot Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1355481516

PECOS Enrollment IDI20091218000232

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Indiana University Health

Acute Care Hospitals · Indianapolis, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150056

Location1701 N Senate BlvdIndianapolis, IN 46202 · Marion County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$161.76 typical visit price

range $53.07 – $161.76

Typical copayment $40.44 (range $13.26 – $40.44)

Most-billed visit code 99205

Established Patient

$94.22 typical visit price

range $16.93 – $132.22

Typical copayment $23.55 (range $4.23 – $33.05)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JACK DAVID MARKIEWICZ M.D.

Radiology (Diagnostic Radiology)

550 UNIVERSITY BLVD
INDIANAPOLIS, IN 46202

Marion County (317) 278-9729

CRISTINA NANCY PEREZ CHUMBIAUCA MD

Internal Medicine (Rheumatology)

550 UNIVERSITY BLVD
INDIANAPOLIS, IN 46202

Marion County (317) 944-5000

JENNIFER MARIE SPORS NP

Nurse Practitioner (Gerontology)

550 UNIVERSITY BLVD
INDIANAPOLIS, IN 46202

Marion County (317) 944-7728

DR. BRENNA ESPELIEN MD

Obstetrics & Gynecology (Gynecology)

550 UNIVERSITY BLVD
INDIANAPOLIS, IN 46202

Marion County (317) 274-2018

STEVEN T HUGENBERG MD

Internal Medicine (Rheumatology)

550 UNIVERSITY BLVD
INDIANAPOLIS, IN 46202

Marion County (317) 944-8660

OLGA BARKAY MD

Student in an Organized Health Care Education/Training Program

550 UNIVERSITY BLVD, SUITE 4100
INDIANAPOLIS, IN 46202

Marion County (317) 278-0427

DR. YELENA CHERNYAK PH.D., HSPP

Psychologist (Health)

550 UNIVERSITY BLVD, ROOM UH 3240
INDIANAPOLIS, IN 46202

Marion County (317) 944-7422

HEATHER M HOSFIELD NP

Nurse Practitioner (Adult Health)

550 UNIVERSITY BLVD
INDIANAPOLIS, IN 46202

Marion County (317) 944-5000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary De Groot's NPI number?

The NPI number for Mary De Groot is 1316178775. It was assigned to this individual provider in the NPPES registry on August 4, 2009.

Where is Mary De Groot located?

Mary De Groot practices at 550 University Blvd, Indianapolis, IN 46202. The listed phone number is (317) 944-5000.

What is Mary De Groot's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Mary De Groot enrolled in Medicare?

Yes. Mary De Groot is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mary De Groot accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and CareSource list Mary De Groot as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mary De Groot affiliated with any hospitals?

According to CMS data, Mary De Groot is affiliated with Indiana University Health.

When was this NPI record last updated?

The NPPES record for Mary De Groot was last updated on March 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.