Abhilash Makkar, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

036160955 Issued in IL

Practice address

1768 Douglas Rd Ste 20
Oswego, IL 60543-5112

Phone

(630) 635-8288

Fax

(630) 635-8347

NPI assigned

Feb 25, 2010

Last updated

Aug 31, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in OK, IL2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

HospitalistAlso: Internal Medicine

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sarah Bush Lincoln Health CenterGroup PAC ID 5092614867, 411 clinicians

Mercy Clinic Oklahoma CommunitiesGroup PAC ID 1153468921, 645 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Sarah Bush Lincoln Health Center Hospital, Mattoon, IL, CCN 140189
• Mercy Hospital Ada Hospital, Ada, OK, CCN 370020

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: amakka01@yourcarecommunity.org
• Direct secure messaging: amakkar25777@ouhealth.direct-ci.net
• Direct secure messaging: amakkar783142@ahs.direct-ci.com
• Direct secure messaging: amakkarcontractstaff260288@samhealth.direct-ci.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Makkar Medical Group PLLC

  • Internal Medicine Physician
  • Oswego, IL
  • NPI 1699645804
  Medicare reassignment NPD Authorized official
• Sarah Bush Lincoln Health Center

  • General Acute Care Hospital
  • Mattoon, IL
  • NPI 1669564662
  Medicare reassignment Care Compare group NPD
• Mercy Clinic Oklahoma Communities

  • Family Medicine Physician
  • Oklahoma City, OK
  • NPI 1386874550

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Ou Health Partners, Inc

  dba Ou Health Partners

  • Multi-Specialty Clinic/Center
  • Oklahoma City, OK
  • NPI 1528642642
  Medicare reassignment NPD
• Tulsa Hospital Medicine Physicians Group, LLC

  • Internal Medicine Physician
  • Tulsa, OK
  • NPI 1144982711
  Medicare reassignment NPD
• Sarah Bush Lincoln Health Center

  dba FCH Greenville Family Medicine Clinic

  • Rural Health Clinic/Center
  • Greenville, IL
  • NPI 1811858970
  NPD
• Ou Health Partners, Inc

  dba OUHP Orthotics & Prosthetic

  • Prosthetic/Orthotic Supplier
  • Oklahoma City, OK
  • NPI 1447834460
  NPD
• Mercy Hospital Ada, Inc

  dba Mercy Hospital Ada

  • General Acute Care Hospital
  • Ada, OK
  • NPI 1952643306
  NPD (past)
• Tri City Geriatrics Inc

  • Internal Medicine Physician
  • Caro, MI
  • NPI 1174061014
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Sarah Bush Lincoln Health Center

  • General Acute Care Hospital
  • Mattoon, IL
  • NPI 1669564662
  Care Compare affiliation
• Mercy Hospital Ada, Inc

  • Ambulance
  • Ada, OK
  • NPI 1831533728

  Hospital

  Care Compare affiliation
• Mercy Hospital Ada, Inc

  dba Mercy Hospital Ada

  • General Acute Care Hospital
  • Ada, OK
  • NPI 1952643306
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1267056000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788134400000",
    "number": "1750603270",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1768 DOUGLAS RD STE 20",
            "city": "OSWEGO",
            "state": "IL",
            "postal_code": "605435112",
            "telephone_number": "630-635-8288",
            "fax_number": "630-635-8347"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1768 DOUGLAS RD STE 20",
            "city": "OSWEGO",
            "state": "IL",
            "postal_code": "605435112",
            "telephone_number": "630-635-8288",
            "fax_number": "630-635-8347"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1000 Health Center Dr",
            "address_purpose": "LOCATION",
            "city": "Mattoon",
            "state": "IL",
            "postal_code": "619384644",
            "country_code": "US",
            "telephone_number": "217-238-4325",
            "fax_number": "217-348-4290",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAKKAR",
        "first_name": "ABHILASH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-02-25",
        "last_updated": "2026-08-31",
        "certification_date": "2026-08-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036160955",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036160955",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "BJC",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "4500 Memorial Dr",
            "city": "Belleville",
            "state": "IL",
            "country_code": "US",
            "postal_code": "622265360",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• M and M Dental PC
• Charles C Macdonald III, D.D.S.
• Rebecca Macgillivray
• Stacie Maddox, M.A., CCC-SLP
• Makkar Medical Group PLLC
• Julia Malone, MSW, LCSW
• Kelly L Mangler, PHARM.D.
• Wendy J. Manno, LMT
• Lauren Marasco
• Diane Marchut

• Internal Medicine Physician in Oswego, IL
• Providers in Oswego, IL by specialty
• Internal Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 31, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.