Individual provider Active NPI

Patrick Clarke Keller, MD

  • Hospitalist Physician
  • Lake Forest, IL
National Provider Identifier
1972181188
Registry record updated Sep 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
036167282 Issued in IL
Practice address
1000 N Westmoreland Rd
Lake Forest, IL 60045-1658
Phone
(847) 234-5600
Fax
(847) 535-7203
NPI assigned
Mar 30, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 26, 2025

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 036167282 IL Primary
Internal Medicine Physician 207R00000X 125077372 IL

Addresses

Primary practice location

1000 N Westmoreland Rd
Lake Forest, IL 60045-1658

Mailing address

251 E Huron St
Chicago, IL 60611-3055
Phone (312) 926-2000

Other practice location 1

915 N Grand Blvd
Saint Louis, MO 63106-1621
Phone (314) 652-4100

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: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240614003464 IL Practitioner - Hospitalist 2466853718 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare

Merit-based Incentive Payment System (MIPS)

Final score
95.19 of 100Reported as apm
Quality
83.05
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Northwestern Medical Faculty Foundation CurrentSince Jun 1, 2024 Accepting new patients
Northwestern Medical Faculty Foundation CurrentSince Jun 1, 2024 Accepting new patients

Locations

Dept 5777
Carol Stream, IL 60122

Carol Stream, IL 60122
Phone (630) 933-3300

675 N Saint Clair St
Ste 18-200
Chicago, IL 60611
Phone (312) 695-4525

251 E Huron St
Chicago, IL 60611

660 N Westmoreland Rd
#302
Lake Forest, IL 60045

1000 N Westmoreland Rd
Lake Forest, IL 60045
Phone (847) 535-6150

515 Valley View Dr
Ste 201
Moline, IL 61265
Phone (312) 695-0870

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": "1617062400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758844800000",
    "number": "1972181188",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "251 E HURON ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606113055",
            "telephone_number": "312-926-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 N WESTMORELAND RD",
            "city": "LAKE FOREST",
            "state": "IL",
            "postal_code": "600451658",
            "telephone_number": "847-234-5600",
            "fax_number": "847-535-7203"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "915 N Grand Blvd",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631061621",
            "country_code": "US",
            "telephone_number": "314-652-4100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KELLER",
        "first_name": "PATRICK",
        "middle_name": "CLARKE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-30",
        "last_updated": "2025-09-26",
        "certification_date": "2025-09-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036167282",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125077372",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lake Forest, IL

Sources for this page

Verify at the official NPI Registry.