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MAKKAR MEDICAL GROUP PLLC
NPI 1699645804
Internal Medicine in Oswego, IL

Active since November 11, 2025
1768 DOUGLAS RD STE 20, OSWEGO, IL 60543(331) 205-7474(331) 212-4590 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 9, 2026, Aug 25, 2026, Jul 28, 2026 and 1 more (4 updates tracked since 2025).

About Makkar Medical Group Pllc NPPES

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

MAKKAR MEDICAL GROUP PLLC (NPI 1699645804) is a healthcare organization registered as an internal medicine in Oswego, Illinois and active in the NPI registry since November 2025. The organization maintains a secondary practice location in Naperville and lists Abhilash Makkar, Ceo, as its authorized official.

NPPES Registry Identity

NPI1699645804
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMAKKAR MEDICAL GROUP PLLC
Location Address1768 DOUGLAS RD STE 20Oswego, IL 60543-5112
Mailing Address1768 Douglas Rd Ste 20Oswego, IL 60543-5112 · (630) 635-8288 · Fax (630) 635-8347
Phone(331) 205-7474
Fax(331) 212-4590
Organization SubpartYesParent: Truenorth Internal Medicine
Authorized OfficialAbhilash MakkarCeo · (630) 635-8288
Enumeration DateNovember 11, 2025
Last NPPES UpdateSeptember 9, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2026
✔ NPI 1699645804 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1768 DOUGLAS RD STE 20, Oswego, IL 60543
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Secondary Practice Location 1

Location 150 S Main St Ste 200Naperville, IL 60540-5485 · Phone (331) 205-7474 · Fax (331) 212-4590

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Makkar Medical Group Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Makkar Medical Group PLLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Abhilash Makkar, MD
Hospitalist
NPI 1750603270
1768 DOUGLAS RD STE 20
Oswego, IL 60543
(630) 635-8288
✔ PECOS✔ Accepts MedicareSame address
Asha Mathew, APRN
Nurse Practitioner
NPI 1497697791
1768 DOUGLAS RD STE 20
Oswego, IL 60543
(630) 635-8288
✔ PECOSSame address

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

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 Makkar Medical Group PLLC's NPI number?

The NPI number for Makkar Medical Group PLLC is 1699645804. It was assigned to this organization in the NPPES registry on November 11, 2025.

Where is Makkar Medical Group PLLC located?

Makkar Medical Group PLLC is located at 1768 Douglas Rd Ste 20, Oswego, IL 60543. The listed phone number is (331) 205-7474.

What is Makkar Medical Group PLLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Makkar Medical Group PLLC enrolled in Medicare?

Yes. Makkar Medical Group PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Makkar Medical Group PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Makkar Medical Group PLLC, in Hospitalist and Nurse Practitioner. A 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 the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Makkar Medical Group PLLC was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.