Individual provider Active NPI

Chris C Naum, MD

  • Critical Care Medicine (Internal Medicine) Physician
  • Indianapolis, IN
National Provider Identifier
1215938451
Registry record updated Mar 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
01034864A Issued in IN
Practice address
1801 N Senate Blvd
Suite 230
Indianapolis, IN 46202-1252
Phone
(317) 962-5820
Fax
(317) 962-3916
NPI assigned
Aug 10, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 5, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 01034864A IN
Pulmonary Disease Physician 207RP1001X 01034864 IN
Pulmonary Disease Physician 207RP1001X 01034864A IN
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 01034864A IN Primary

Addresses

Primary practice location

1801 N Senate Blvd
Suite 230
Indianapolis, IN 46202-1252

Mailing address

250 N Shadeland Ave
Indianapolis, IN 46219-4959

Other practice location 1

1701 N Senate Blvd
Indianapolis, IN 46202-1239
Phone (888) 484-3258

Other identifiers 2

IdentifierTypeStateIssuer
000000668498OtherINANTHEM PTAN
100385820MedicaidIN

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address cnaum@direct.iuhealth.org
Direct Messaging Address cnaum@direct.iuhealth.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IN
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
I20100602000867 IN Practitioner - Pulmonary DiseasePractitioner - Internal MedicinePractitioner - Critical Care (Intensivists) 4880590843 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pulmonary DiseaseAlso: Critical Care (Intensivists), Internal Medicine
Education
Indiana University School of Medicine, 1983
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Iu Health Medical Group LLCGroup PAC ID 9638617913, 4,382 clinicians

Practice addresses (Care Compare)

1701 N Senate Blvd
Indianapolis, IN 46202-1239
Phone (888) 484-3258

Hospital & facility affiliations

  • Indiana University Health Hospital, Indianapolis, IN, CCN 150056
  • Iu Health West Hospital Hospital, Avon, IN, CCN 150158
  • Indiana University Health Bloomington Hospital Hospital, Bloomington, IN, CCN 150051
  • Indiana University Health North Hospital Hospital, Carmel, IN, CCN 150161

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Promoting interoperability
97
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
01034864INMDPulmonary Disease Physician
01034864AINMDPulmonary Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Indiana Clinic Critical Care LLC Internal Medicine CurrentSince May 1, 2010 Accepting new patients
Iu Health Medical Group, LLC CurrentSince Apr 1, 2025 Accepting new patients
Major Hospital Past Accepting new patients
Respiratory & Critical Care Consultants P C Internal Medicine Past Accepting new patients

Locations

2574 Reliable Pkwy
Chicago, IL 60686

13500 N Meridian St
Carmel, IN 46032
Phone (317) 573-7000

250 N Shadeland Ave
Indianapolis, IN 46219
Phone (317) 948-9174

250 N Shadeland Ave
Ste 130
Indianapolis, IN 46219
Phone (317) 962-4836

1801 Senate Blvd
Ste 230
Indianapolis, IN 46202
Phone (317) 962-5280

1701 Senate Blvd
Indianapolis, IN 46202
Phone (317) 612-2754

Organizations & group practices 4

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 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": "1123632000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741132800000",
    "number": "1215938451",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "250 N SHADELAND AVE",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462194959"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1801 N SENATE BLVD",
            "address_2": "SUITE 230",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462021252",
            "telephone_number": "317-962-5820",
            "fax_number": "317-962-3916"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1701 N Senate Blvd",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462021239",
            "country_code": "US",
            "telephone_number": "888-484-3258",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NAUM",
        "first_name": "CHRIS",
        "middle_name": "C",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-10",
        "last_updated": "2025-03-05",
        "certification_date": "2025-03-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IN",
            "license": "01034864A",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "IN",
            "license": "01034864",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "IN",
            "license": "01034864A",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "IN",
            "license": "01034864A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM PTAN",
            "identifier": "000000668498",
            "state": "IN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100385820",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cnaum@direct.iuhealth.org",
            "affiliation": "N",
            "address_1": "1801 N Senate Blvd",
            "address_2": "Suite 230",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462021252",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cnaum@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1701 N Senate Blvd",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462021239",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Indianapolis, IN

Sources for this page

Verify at the official NPI Registry.