GREGORY JASINSKI MD
NPI 1164735403
Psychiatry & Neurology - Psychiatry in Chicago, IL

Active since July 15, 2010PECOS EnrolledAccepts Medicare Assignment
6650 N NORTHWEST HWY STE 215, CHICAGO, IL 60631(630) 216-9098(630) 447-0008 Get Directions Write a Review

NPPES record last updated: August 20, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 4, 2020, Feb 6, 2020, Jul 16, 2018 (3 updates tracked since 2018).

About Gregory Jasinski Md NPPES

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

GREGORY JASINSKI MD (NPI 1164735403) is an individual psychiatry provider in Chicago, Illinois, licensed in Illinois (036.139823) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital -centralia, and maintains a secondary practice location in Warrenville.

NPPES Registry Identity

NPI1164735403
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameGREGORY JASINSKICredential: MD
Location Address6650 N NORTHWEST HWY STE 215Chicago, IL 60631-1363
Mailing Address2s631 State Route 59 Ste EWarrenville, IL 60555-1464 · (630) 216-9098 · Fax (630) 447-0008
Fax(630) 447-0008
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateJuly 15, 2010
Last NPPES UpdateAugust 20, 20253 updates tracked since enumeration
NPPES CertifiedAugust 20, 2025
✔ NPI 1164735403 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in IL · 036.139823
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
6650 N NORTHWEST HWY STE 215, Chicago, IL 60631

Secondary Practice Location 1

Location 12S631 State Route 59 Ste EWarrenville, IL 60555-1464 · Phone (630) 216-9098 · Fax (630) 447-0008

Accepted 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

Gregory Jasinski Md 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 ID345495693
PECOS Enrollment IDI20160831001772
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

4

Medicare enrollment records show Gregory Jasinski reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychiatry
6650 N NORTHWEST HWY STE 215
Chicago, IL 60631
  • Reassigned Medicare billing, Illinois enrollment
Clinic/Center
1200 S YORK ST, STE 3160
Elmhurst, IL 60126
  • Reassigned Medicare billing, Illinois enrollment
  • 561 clinicians in this Medicare group
Internal Medicine
8600 N STATE ROUTE 91
Peoria, IL 61615
  • Reassigned Medicare billing, Illinois enrollment
  • 2,944 clinicians in this Medicare group
Internal Medicine
4218 LINCOLNSHIRE DR
Mount Vernon, IL 62864
  • Reassigned Medicare billing, Illinois enrollment
  • 296 clinicians in this Medicare group

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 4

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.

Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
170 services74 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
97 services47 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
88 services57 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
48 services20 patients

Hospital Affiliations CMS Care Compare

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

Ssm Health St Mary's Hospital -Centralia

Acute Care Hospitals · Centralia, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140034
Location400 North Pleasant AvenueCentralia, IL 62801 · Marion County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60631 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
$183.39 typical visit price
range $60.08 – $183.39
Typical copayment $45.84 (range $15.02 – $45.84)
Most-billed visit code 99205
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
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 2

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

In Home Supportive Care
6650 N NORTHWEST HWY STE 215
CHICAGO, IL 60631
Psychiatry & Neurology (Psychiatry)
6650 N NORTHWEST HWY STE 215
CHICAGO, IL 60631

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 Gregory Jasinski's NPI number?

The NPI number for Gregory Jasinski is 1164735403. It was assigned to this individual provider in the NPPES registry on July 15, 2010.

Where is Gregory Jasinski located?

Gregory Jasinski practices at 6650 N Northwest Hwy Ste 215, Chicago, IL 60631. The listed phone number is (630) 216-9098.

What is Gregory Jasinski's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Gregory Jasinski enrolled in Medicare?

Yes. Gregory Jasinski 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 Gregory Jasinski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Jasinski reassigns Medicare benefits to 4 organizations: Luxmed Behavioral Health LLC (Chicago, IL), Edward Health Ventures (Elmhurst, IL), Osf Multi-Specialty Group (Peoria, IL) and Physician Services Corporation Of Southern Illinois Inc. (Mount Vernon, IL). 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 Gregory Jasinski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Jasinski accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Gregory Jasinski 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 Gregory Jasinski affiliated with any hospitals?

According to CMS data, Gregory Jasinski is affiliated with Ssm Health St Mary's Hospital -Centralia.

When was this NPI record last updated?

The NPPES record for Gregory Jasinski was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.