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MICHAEL KOLESSAR PSY.D.
NPI 1134458201
Clinical Neuropsychologist in Bridgeton, MO

Active since December 18, 2009PECOS EnrolledAccepts Medicare Assignment
12380 DE PAUL DR, BRIDGETON, MO 63044(314) 447-9705 Get Directions Write a Review

NPPES record last updated: October 3, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Michael Kolessar Psy.d. NPPES

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

MICHAEL KOLESSAR PSY.D. (NPI 1134458201) is an individual clinical neuropsychologist in Bridgeton, Missouri and active in the NPI registry since December 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2011).

NPPES Registry Identity

NPI1134458201
Entity TypeIndividualMale
Primary Taxonomy103G00000X
Provider Legal NameMICHAEL KOLESSARCredential: PSY.D.
Location Address12380 DE PAUL DRBridgeton, MO 63044-2511
Mailing Address12380 De Paul DrBridgeton, MO 63044-2511 · (314) 447-9705
Phone(314) 447-9705
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateDecember 18, 2009
Last NPPES UpdateOctober 3, 2013
✔ NPI 1134458201 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers
Taxonomy Code103G00000X
Definition
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
12380 DE PAUL DR, Bridgeton, MO 63044
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, Medica.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Michael Kolessar Psy.d. 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 ID1658508809
PECOS Enrollment IDI20131213000113
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Michael Kolessar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ability Kc
225 mi
Rehabilitation, Comprehensive Outpatient Rehabilitation Facility (CORF)
3011 BALTIMORE AVE
Kansas City, MO 64108
  • Reassigned Medicare billing, Missouri enrollment
  • 6 clinicians in this Medicare group
NPI 1598746836 (816) 751-7790
The University Of Texas Southwestern Medical Center At Dallas
520 mi
Physical Medicine & Rehabilitation
1000 S BECKHAM AVE
Tyler, TX 75701
  • Reassigned Medicare billing, Texas enrollment
  • 5,299 clinicians in this Medicare group
NPI 1417099599 (214) 645-0624

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Administration of psychological or neuropsychological test by technician, each additional 30 minutes 96139
This service involves a technician administering additional psychological or neuropsychological testing. Each session lasts for an extra 30 minutes. These tests assess cognitive abilities, such as memory, attention, and problem-solving skills, to aid in diagnosing or monitoring mental health conditions.
189 services63 patients
Exam of neurobehavioral status, first hour 96116
An exam of neurobehavioral status is a medical procedure that evaluates your brain's functions. This includes assessing your cognitive abilities, emotional responses, and behavioral patterns. The first hour of the exam is typically dedicated to this initial evaluation.
90 services90 patients
Evaluation of neuropsychological test, first hour 96132
An evaluation of neuropsychological tests is a process to assess your brain's function. It involves tasks designed to measure cognitive abilities such as memory, attention, problem-solving, and language skills. The first hour involves initial testing and observation.
84 services83 patients
Administration of psychological or neuropsychological test by technician, first 30 minutes 96138
This procedure involves a trained technician administering a psychological or neuropsychological test. It's a process that assesses your mental function and behavior. The initial session will last 30 minutes. The aim is to understand your cognitive abilities better.
84 services79 patients
Evaluation of neuropsychological test, each additional hour 96133
This service involves further evaluation of your neuropsychological test results beyond the initial hour. It helps to understand your cognitive functioning better, focusing on areas like memory, attention, and problem-solving skills.
72 services64 patients
Administration of psychological or neuropsychological test, each additional 30 minutes 96137
This procedure involves administering psychological or neuropsychological tests to evaluate your mental functions. Each additional 30 minutes allows for a more in-depth assessment of your cognitive abilities, emotions, and behavior. It's crucial for accurate diagnosis and treatment planning.
33 services21 patients

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.

HALEY SMITH
Pharmacy Technician
12380 DE PAUL DR
BRIDGETON, MO 63044
St. Louis County (314) 447-9700
SARAH FUNK
Occupational Therapist
12380 DE PAUL DR
BRIDGETON, MO 63044
St. Louis County (314) 447-9710
JORDAN OWENS
Speech-Language Pathologist
12380 DE PAUL DR
BRIDGETON, MO 63044
St. Louis County (314) 447-9710
REIS WITTE
Occupational Therapist
12380 DE PAUL DR
BRIDGETON, MO 63044
St. Louis County (314) 605-5979
KATHERINE BISHOP BENNINGTON PT, DPT
Physical Therapist
12380 DE PAUL DR
BRIDGETON, MO 63044
St. Louis County (314) 447-9710
SCOUT HIZER PT
Physical Therapist (Neurology)
12380 DE PAUL DR
BRIDGETON, MO 63044
St. Louis County (314) 447-9700
KRISTIN ANN FIGUEIRA M.S., SLP
Speech-Language Pathologist
12380 DE PAUL DR
BRIDGETON, MO 63044
St. Louis County (314) 447-9710
KELSEY ELAINE MARTIN
Physical Therapist
12380 DE PAUL DR
BRIDGETON, MO 63044
St. Louis County (314) 447-9710

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 Michael Kolessar's NPI number?

The NPI number for Michael Kolessar is 1134458201. It was assigned to this individual provider in the NPPES registry on December 18, 2009.

Where is Michael Kolessar located?

Michael Kolessar practices at 12380 De Paul Dr, Bridgeton, MO 63044. The listed phone number is (314) 447-9705.

What is Michael Kolessar's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is Michael Kolessar enrolled in Medicare?

Yes. Michael Kolessar 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.

Which organizations bill Medicare for Michael Kolessar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Kolessar reassigns Medicare benefits to 2 organizations: Ability Kc (Kansas City, MO) and The University Of Texas Southwestern Medical Center At Dallas (Tyler, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Kolessar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Kolessar accept?

Health plans from Cigna Healthcare and Medica list Michael Kolessar 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.

When was this NPI record last updated?

The NPPES record for Michael Kolessar was last updated on October 3, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.