Individual provider Active NPI

Joshua David Ajjarapu, M.D.

  • Hospitalist Physician
  • Oak Park, IL
National Provider Identifier
1841501699
Registry record updated May 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
036.132488 Issued in IL
Practice address
3 Erie CT
Suite L-700
Oak Park, IL 60302-2519
Phone
(708) 763-1222
Fax
(708) 763-1471
NPI assigned
Jun 27, 2010
Last updated
May 18, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 18, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 036.132488 IL
Hospitalist Physician 208M00000X 036.132488 IL Primary

Addresses

Primary practice location

3 Erie CT
Suite L-700
Oak Park, IL 60302-2519

Mailing address

3 Erie CT
Suite L-700
Oak Park, IL 60302-2519
Phone (708) 763-1222

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
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 1

Enrollment IDStateProvider typePAC IDDetails
I20131122000015 IL Practitioner - HospitalistPractitioner - Internal Medicine 5193951101 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Cook Physician Services, P.C.Group PAC ID 4082053434, 59 clinicians

Practice addresses (Care Compare)

1555 Barrington Rd
Hoffman Estates, IL 60169-1019
Phone (847) 843-2000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036.132488ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Cook Physician Services, P.C. Internal Medicine CurrentSince Jun 1, 2024 Accepting new patients
CGH Medical Center Past Accepting new patients

Locations

355 Ridge Ave
Evanston, IL 60202
Phone (847) 316-2329

1555 N Barrington Rd
Hoffman Estates, IL 60169
Phone (847) 490-2923

200 Corporate Blvd
Lafayette, LA 70508

Organizations & group practices 2

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.

Hospital & facility affiliations 4

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

NPI Registry JSON

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

{
    "created_epoch": "1277596800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747526400000",
    "number": "1841501699",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3 ERIE CT",
            "address_2": "SUITE L-700",
            "city": "OAK PARK",
            "state": "IL",
            "postal_code": "603022519",
            "telephone_number": "708-763-1222",
            "fax_number": "708-763-1471"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3 ERIE CT",
            "address_2": "SUITE L-700",
            "city": "OAK PARK",
            "state": "IL",
            "postal_code": "603022519",
            "telephone_number": "708-763-1222",
            "fax_number": "708-763-1471"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "AJJARAPU",
        "first_name": "JOSHUA",
        "middle_name": "DAVID",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-06-27",
        "last_updated": "2025-05-18",
        "certification_date": "2025-05-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036.132488",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036.132488",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oak Park, IL

Sources for this page

Verify at the official NPI Registry.