Individual provider Active NPI

James M Walter, MD

  • Pulmonary Disease Physician
  • Chicago, IL
National Provider Identifier
1588984454
Registry record updated Aug 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pulmonary Disease PhysicianTaxonomy code 207RP1001X
License
036134956 Issued in IL
Practice address
676 N Saint Clair St Ste 2100
Chicago, IL 60611-2993
Phone
(312) 695-1800
Fax
(312) 695-4741
NPI assigned
Jun 2, 2010
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 15, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 036134956 IL
Hospitalist Physician 208M00000X A125681 CA
Pulmonary Disease Physician 207RP1001X 036134956 IL Primary

Addresses

Primary practice location

676 N Saint Clair St Ste 2100
Chicago, IL 60611-2993

Mailing address

676 N Saint Clair St Ste 2100
Chicago, IL 60611-2993
Phone (312) 695-1800

Other practice location 1

240 East Huron
McGaw M-300
Chicago, IL 60611
Phone (312) 908-7737

Other practice location 2

4150 Clement St
San Francisco VA Medical Center
San Francisco, CA 94121-1545
Phone (734) 936-4385

Other practice location 3

4150 Clement St
San Francisco VA Medical Center
San Francisco, CA 94121-1545
Phone (734) 936-4385

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
I20170517001201 IL Practitioner - Pulmonary DiseasePractitioner - Critical Care (Intensivists) 4880961127 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pulmonary DiseaseAlso: Critical Care (Intensivists)
Education
University of Chicago, Pritzker School of Medicine, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

675 N St Clair
250 Dept of Pulmonary
Chicago, IL 60611-5975
Phone (312) 695-1800

Hospital & facility affiliations

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

State licenses

LicenseStateTypeSpecialty
036134956ILMDPulmonary Disease Physician
A125681CAMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Northwestern Medical Faculty Foundation CurrentSince Jul 1, 2017 Accepting new patients
Northwestern Medical Faculty Foundation CurrentSince Jul 1, 2017 Accepting new patients
Central Dupage Physician Group Hospitalist Past Accepting new patients

Locations

Dept 5777
Carol Stream, IL 60122

680 N Lake Shore Dr
Ste 1000
Chicago, IL 60611
Phone (312) 695-4022

676 N Saint Clair St
Ste 2100
Chicago, IL 60611
Phone (312) 695-3117

660 N Westmoreland Rd
#302
Lake Forest, IL 60045

Organizations & group practices 3

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 1

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": "1275436800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755216000000",
    "number": "1588984454",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "676 N SAINT CLAIR ST STE 2100",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112993",
            "telephone_number": "312-695-1800",
            "fax_number": "312-695-4741"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "676 N SAINT CLAIR ST STE 2100",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112993",
            "telephone_number": "312-695-1800",
            "fax_number": "312-695-4741"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "240 East Huron",
            "address_2": "McGaw M-300",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "60611",
            "country_code": "US",
            "telephone_number": "312-908-7737",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4150 Clement St",
            "address_2": "San Francisco VA Medical Center",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941211545",
            "country_code": "US",
            "telephone_number": "734-936-4385",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4150 Clement St",
            "address_2": "San Francisco VA Medical Center",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941211545",
            "country_code": "US",
            "telephone_number": "734-936-4385",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALTER",
        "first_name": "JAMES",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-06-02",
        "last_updated": "2025-08-15",
        "certification_date": "2025-08-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "IL",
            "license": "036134956",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "A125681",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "IL",
            "license": "036134956",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.