Individual provider Active NPI

Warren Sherman Fatland, DDS

  • General Practice Dentistry
  • Palos Hills, IL
National Provider Identifier
1821057993
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice DentistryTaxonomy code 1223G0001X
License
19013733 Issued in IL
Practice address
9957 S Roberts Rd
Palos Hills, IL 60465-1554
Phone
(708) 599-8400
Fax
(708) 599-4171
NPI assigned
Mar 18, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
General Practice Dentistry 1223G0001X 19013733 IL Primary

Addresses

Primary practice location

9957 S Roberts Rd
Palos Hills, IL 60465-1554

Mailing address

9957 S Roberts Rd
Palos Hills, IL 60465-1554
Phone (708) 599-8400

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
19013733ILMDGeneral Practice Dentistry

Practice roles

OrganizationSpecialtyStatusNew patients
Performace Dental Care Il PC Past Accepting new patients
Tru Dental Illinois, P.C. General Practice PastSince Feb 14, 2021 Accepting new patients

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.

NPI Registry JSON

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

{
    "created_epoch": "1142640000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1821057993",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9957 S ROBERTS RD",
            "city": "PALOS HILLS",
            "state": "IL",
            "postal_code": "604651554",
            "telephone_number": "708-599-8400",
            "fax_number": "708-599-4171"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9957 S ROBERTS RD",
            "city": "PALOS HILLS",
            "state": "IL",
            "postal_code": "604651554",
            "telephone_number": "708-599-8400",
            "fax_number": "708-599-4171"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FATLAND",
        "first_name": "WARREN",
        "middle_name": "SHERMAN",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-18",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "IL",
            "license": "19013733",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Palos Hills, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.