DR. ABHILASH MAKKAR MD
NPI 1750603270
Internal Medicine in Oswego, IL
About Dr. Abhilash Makkar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ABHILASH MAKKAR MD (NPI 1750603270) is an individual internal medicine provider in Oswego, Illinois, licensed in Illinois (036160955) and active in the NPI registry since February 2010. He is enrolled in Medicare PECOS, is affiliated with Sarah Bush Lincoln Health Center, and maintains a secondary practice location in Mattoon.
NPPES Registry Identity
Specialties & Licenses 2
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. Abhilash Makkar 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.
Medicare Billing Reassignments
5Medicare enrollment records show Abhilash Makkar reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oswego, IL 60543
- Reassigned Medicare billing, Illinois enrollment
- 2 clinicians in this Medicare group
Mattoon, IL 61938
- Reassigned Medicare billing, Illinois enrollment
- 652 clinicians in this Medicare group
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 210 clinicians in this Medicare group
Oklahoma City, OK 73120
- Reassigned Medicare billing, Oklahoma enrollment
- 975 clinicians in this Medicare group
Oklahoma City, OK 73104
- Reassigned Medicare billing, Oklahoma enrollment
- 1,795 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 5
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sarah Bush Lincoln Health Center
Acute Care Hospitals · Mattoon, ILMercy Hospital Ada
Acute Care Hospitals · Ada, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60543 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Abhilash Makkar's NPI number?
The NPI number for Abhilash Makkar is 1750603270. It was assigned to this individual provider in the NPPES registry on February 25, 2010.
Where is Abhilash Makkar located?
Abhilash Makkar practices at 1768 Douglas Rd Ste 20, Oswego, IL 60543. The listed phone number is (630) 635-8288.
What is Abhilash Makkar's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Abhilash Makkar enrolled in Medicare?
Yes. Abhilash Makkar 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 Abhilash Makkar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abhilash Makkar reassigns Medicare benefits to 5 organizations: Makkar Medical Group PLLC (Oswego, IL), Sarah Bush Lincoln Health Center (Mattoon, IL), Tulsa Hospital Medicine Physicians Group, LLC (Tulsa, OK), Mercy Clinic Oklahoma Communities (Oklahoma City, OK) and Ou Health Partners, Inc (Oklahoma City, OK). 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 Abhilash Makkar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Abhilash Makkar affiliated with any hospitals?
According to CMS data, Abhilash Makkar is affiliated with Sarah Bush Lincoln Health Center and Mercy Hospital Ada.
When was this NPI record last updated?
The NPPES record for Abhilash Makkar was last updated on August 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 50 days 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. Abhilash Makkar, MD · NPI 1750603270
Internal Medicine physician in Oswego, Illinois. Individual provider, active in the CMS NPPES registry since February 25, 2010.
## Identity
- **NPI:** 1750603270 (Entity type: Individual)
- **Enumerated:** February 25, 2010
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 036160955 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1768 DOUGLAS RD STE 20, Oswego, IL 60543-5112
- **Phone:** (630) 635-8288 · **Fax:** (630) 635-8347
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Makkar Medical Group PLLC (NPI 1699645804, Oswego, IL); Sarah Bush Lincoln Health Center (NPI 1568581379, Mattoon, IL); Tulsa Hospital Medicine Physicians Group, LLC (NPI 1144982711, Tulsa, OK); Mercy Clinic Oklahoma Communities (NPI 1386874550, Oklahoma City, OK); Ou Health Partners, Inc (NPI 1528642642, Oklahoma City, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** August 31, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1750603270) · Data from the CMS NPPES public registry.