Individual provider Active NPI

Siddharth Matta, MD

  • Hospitalist Physician
  • McHenry, IL
National Provider Identifier
1841876364
Registry record updated Apr 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
036171726 Issued in IL
Practice address
4201 W Medical Center Dr
McHenry, IL 60050-8409
Phone
(815) 344-5000
NPI assigned
Mar 23, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 2, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X 036171726 IL Primary
Internal Medicine Physician 207R00000X 036171726 IL

Addresses

Primary practice location

4201 W Medical Center Dr
McHenry, IL 60050-8409

Mailing address

4201 W Medical Center Dr
McHenry, IL 60050-8409
Phone (815) 344-5000

Other practice location 1

800 W Central Rd
Arlington Heights, IL 60005-2349
Phone (847) 618-5062

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
I20241213001412 IL Practitioner - HospitalistPractitioner - Internal Medicine 8729514781 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Endeavor Health Medical GroupGroup PAC ID 2163334699, 3,330 clinicians

Practice addresses (Care Compare)

2650 Ridge Ave
Evanston, IL 60201-1700

800 W Central Rd
Arlington Heights, IL 60005-2349
Phone (847) 618-1000

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Endeavor Health Medical Group Internal Medicine Current Accepting new patients
Endeavor Health Medical Group CurrentSince Dec 10, 2024 Accepting new patients

Locations

800 W Central Rd
Arlington Hts, IL 60005
Phone (847) 618-6150

9532 Eagle Way
Chicago, IL 60678

2650 Ridge Ave
Ste 1223
Evanston, IL 60201
Phone (847) 982-3175

2650 Ridge Ave
Ste 2218A
Evanston, IL 60201
Phone (847) 503-4222

Interoperability endpoints

  • Direct secure messaging: smatta183116@direct.nch.org

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 and National Provider Directory roles.

Hospital & facility affiliations 2

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": "1616457600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775088000000",
    "number": "1841876364",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4201 W MEDICAL CENTER DR",
            "city": "MCHENRY",
            "state": "IL",
            "postal_code": "600508409",
            "telephone_number": "815-344-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4201 W MEDICAL CENTER DR",
            "city": "MCHENRY",
            "state": "IL",
            "postal_code": "600508409",
            "telephone_number": "815-344-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "800 W Central Rd",
            "address_purpose": "LOCATION",
            "city": "Arlington Heights",
            "state": "IL",
            "postal_code": "600052349",
            "country_code": "US",
            "telephone_number": "847-618-5062",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MATTA",
        "first_name": "SIDDHARTH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-23",
        "last_updated": "2026-04-02",
        "certification_date": "2026-04-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036171726",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036171726",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in McHenry, IL

Sources for this page

Verify at the official NPI Registry.