DR. DINUK I ABEYSEKERA M.D.
NPI 1366616534
Psychiatry & Neurology - Psychiatry in North Chicago, IL
About Dr. Dinuk I Abeysekera M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DINUK I ABEYSEKERA M.D. (NPI 1366616534) is an individual psychiatry provider in North Chicago, Illinois, licensed in Illinois (036149793) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Hospital - Chicago, and maintains a secondary practice location in Maywood.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Dinuk I Abeysekera M.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.
Medicare Billing Reassignments
2Medicare enrollment records show Dinuk Abeysekera reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mount Prospect, IL 60056
- Reassigned Medicare billing, Illinois enrollment
- 129 clinicians in this Medicare group
Elk Grove Village, IL 60007
- Reassigned Medicare billing, Illinois enrollment
- 281 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Presence Saint Joseph Hospital - Chicago
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60064 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
NORTH CHICAGO, IL 60064
NORTH CHICAGO, IL 60064
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 Dinuk Abeysekera's NPI number?
The NPI number for Dinuk Abeysekera is 1366616534. It was assigned to this individual provider in the NPPES registry on April 17, 2008.
Where is Dinuk Abeysekera located?
Dinuk Abeysekera practices at 3001 Green Bay Rd, North Chicago, IL 60064. The listed phone number is (847) 688-1900.
What is Dinuk Abeysekera's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Dinuk Abeysekera enrolled in Medicare?
Yes. Dinuk Abeysekera 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 Dinuk Abeysekera's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dinuk Abeysekera reassigns Medicare benefits to 2 organizations: Presence Healthcare Services (Mount Prospect, IL) and Bonaventure Medical Foundation, LLC (Elk Grove Village, 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 Dinuk Abeysekera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Dinuk Abeysekera affiliated with any hospitals?
According to CMS data, Dinuk Abeysekera is affiliated with Presence Saint Joseph Hospital - Chicago.
When was this NPI record last updated?
The NPPES record for Dinuk Abeysekera was last updated on October 24, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Dinuk I Abeysekera, M.D. · NPI 1366616534
Psychiatry physician in North Chicago, Illinois. Individual provider, active in the CMS NPPES registry since April 17, 2008.
## Identity
- **NPI:** 1366616534 (Entity type: Individual)
- **Enumerated:** April 17, 2008
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 036149793 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 3001 GREEN BAY RD, North Chicago, IL 60064-3048
- **Phone:** (847) 688-1900
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Presence Healthcare Services (NPI 1992008882, Mount Prospect, IL); Bonaventure Medical Foundation, LLC (NPI 1588775647, Elk Grove Village, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** October 24, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1366616534) · Data from the CMS NPPES public registry.